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This chapter provides instructions for installing Cisco 15200 units, which include assembled-to-order Cisco 15252 MCUs and individual MCU components, and assembled-to-order ONS 15201 SCUs and individual SCU components. This chapter also explains how to install a new channel on an MCU and how to link multiple nodes to accommodate additional traffic.
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Note The instructions in this section primarily address the installation of the ONS 15252 MCUs, ONS 15201 SCUs, and modules supplied by Cisco Systems. When installing racks, electrical wiring, raceways, and other equipment not covered in this manual, you should follow all local, state, federal, or international (if applicable) codes and regulations. |
You should be thoroughly familiar with the instructions in this manual before starting any work. Use the following general order of work when installing a site:
Step 2 When you arrive at the site, first verify the ONS 15200 equipment according to the procedures in "Pre-Installation Procedures." If there is a problem with the equipment, contact the Cisco TAC at +1-877-323-7368.
Step 3 If you do not install the equipment when it arrives, store as specified in "Pre-Installation Procedures."
Step 4 Unpack equipment only after preparing the site as described in "Pre-Installation Procedures."
Step 5 When installing equipment at a site, follow the procedures in this chapter in the order presented.
Step 6 Turn up and test the ONS 15200 system as described in "Turn Up and Test."
Step 7 Make connections using the information in "Connectors and Cabling."
Based on the system to be installed, determine the size, number, and location of racks, as well as the MCUs and SCUs required. The MCUs and SCUs will fit in 485 mm (19-in.) equipment racks, and can be adapted for 584 mm (23-in.) racks. The racks must be accessible from the front and rear for equipment installation.
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Note If you do not have rear access to the equipment, you must install the ground and power on the equipment before mounting the equipment in a rack. |
Plan rack and unit installation based on the following considerations:
To install an ONS 15200 system, customary installation and electrical tools are required. The following items are also required:
Chapter 4 lists the items required for turn up and test.
When installing ONS 15200 equipment into racks, follow these guidelines:
Figure 3-1 shows the outer dimensions of the ONS 15200 system equipment.
It is vital that the ONS 15252 MCU, ONS 15252 fan unit, and ONS 15201 SCU are properly grounded. The grounding points on the ONS 15200 units are located as follows:
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Note A ground strip 30 cm (11.8 in.) long is supplied with the equipment in the ONS 15252 MCU accessory kit and the ONS 15201 SCU accessory kit. |
The location of the grounding points on the MCU and SCU is shown in Figure 3-2. The location of the fan unit grounding points is shown in Figure 3-3.
The ONS 15252 MCU, ONS 15252 fan unit, and ONS 15201 SCU can be powered with a regular telecommunication power supply of -48 VDC (and 0 VDC return). AC powering can be made from the regular power grid, at both 115 VAC and 230 VAC, through the use of AC-to-DC power converters. Two independent power supplies can be attached to the ONS 15200 equipment. If two different supplies are used, they should be independently powered.
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Caution Do not use the AC cord that can be ordered for the SCU in cable management devices such as wiring ducts, plenums, or risers. For such applications, you must provide an approved AC power cord. At minimum, the AC power cord must meet all National Electrical Code (NFPA 70, National Electrical Code, 2000 Edition) standards and all local building code requirements. This applies to Central Offices and other buildings. |
You will need a Cletop cleaning kit (type A for SC, type B for MU optical connectors) to clean the fiber connectors and adapters before installing fiber. You will need a video inspection instrument (with SC and MU adapters) to inspect the fiber connectors and adapters before installing fiber.
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Note Clean and inspect the fiber before use to prevent equipment damage. Any dust particle will affect the optical transmission. Any damage fibers connector have to be remove immediately. Damaged fiber connectors will affect the optical transmission. |
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Warning Invisible laser radiation may be emitted from the end of the unterminated fiber cable or connector. Do not stare into the beam or view directly with optical instruments. |
Step 2 Inspect connector for damage or dirt with a proper inspection tool.
Step 3 Insert the connector into the Cletop cleaning cassette slot, rotate one quarter turn, and gently swipe downwards. Repeat inspection and cleaning until satisfactory results are achieved.
Step 4 Insert the fiber connector into the applicable adapter.
Step 5 Place dust caps on the fiber connectors when not in use.
Step 2 Inspect connector for damage or dirt with a proper inspection tool.
Step 3 Insert a cleaning stick into the adapter opening.
Step 4 Inspect results. Continue until satisfactory results are achieved. Remove and clean the female connector inside the adapter if needed. This step requires that you remove the cover and carefully remove the connectors from the CLIP front one at a time.
Step 5 Clean the male connector in the fiber adapter.
Step 6 Place dust plugs on the fiber adapters when not in use.
Use the following procedures to install an assembled-to-order (ATO) ONS 15252 MCU. Prior to installing an MCU in an equipment rack, verify that at least 16 RU of space is available, Table 3-1.
When installing the MCU, you can also use the extension brackets, included in the MCU accessory kit, to convert a 485-mm (19-inch) rack to a 584.2-mm (23-inch) rack.
Table 3-1 Rack Space for Installation
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Note You can install the ground and power cables before mounting the MCU. See the "Install the ONS 15252 MCU Ground Cable" procedure and the "Connect the ONS 15252 MCU A-side and B-side Power Connections to the PDP" procedure for more information. |
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Caution During the ONS 15252 MCU installation, two people are required to lift and hold the unit in position. |
Step 2 Lift and align the MCU with the equipment rack and cage nuts. The mounting holes in the MCU should align with the cage nuts.
Step 3 Attach the MCU to the equipment rack with the three upper screws (M6 or UNC 12-24) on both sides.
Step 4 Attach one metal fiber guide (shelf) (left and right included in kit) to the front flange at the lower hole and fasten the screw. You will use the metal fiber guide (shelf) to manage the cable in the "Install the ONS 15252 MCU Fiber Cable" procedure.
Step 5 Lift and align the ONS 15216 MUX/DEMUX with the equipment rack and cage nuts. The mounting holes in the ONS 15216 MUX/DEMUX should align with the cage nuts. Mount the ONS 15216 MUX/DEMUX according to Figure 3-4.
The shelf assembly comes preset for installation in a 485-mm (19-in.) rack, but you can use extension brackets to convert it to a 584.2-mm (23-in.) rack. You will need two 13 RU extension brackets (P/N: 700-13268) for this procedure.
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Caution During the ONS 15252 MCU installation, two people are required to lift and hold the unit in position. |
Step 2 Attach the indented edge of the extension bracket to the equipment rack with the mounting screws (UNC 12-24) provided with the panel adapter.
Step 3 Repeat Steps 1 and 2 for the second extension bracket.
Step 4 When the extension brackets are secure, lift and align the MCU with the mounting holes.
Step 5 Attach the MCU to the extension brackets with eight screws (M6 or UNC 12-24).
Figure 3-5 shows the extension brackets attached to the equipment rack.
Step 6 Attach one metal fiber guide (shelf) (left and right included in kit) to the front flange at the lower hole and fasten the screw. You will use the metal fiber guide (shelf) to manage the cable in the "Install the ONS 15252 MCU Fiber Cable" procedure.
You must install a fan unit in the equipment rack above each ONS 15252 MCU.
Step 2 Use four screws (M6 or UNC 12-24) to connect the fan unit to the equipment rack.
Step 3 Connect the power to the two fan unit -48 VDC power inputs located on the far right (primary) and far left (secondary) of the fan-unit back panel (Figure 3-7).
a. Insert each of the two wire ends into the cable plug (P/N 27-1769).
b. Insert each cable plug into a power connector (PS-1 and PS-2) on the fan unit back panel. Make sure that when inserting each cable plug, you obtain the correct polarity. When you are viewing the fan unit from the rear, pin 1 (on the left) is 0 VDC and pin 2 (on the right) is -48 VDC. If the polarity is correct, continue with Step 3c. If the polarity is not correct, switch the two wires inserted in Step 3a.
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Note If back access is not possible, you must connect the power before mounting the fan unit in the rack. |
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Note If you connect just one power supply to the fan unit, the fan unit will run but a minor alarm will occur. |
Step 4 Install the ground cable (P/N 72-3526). A pair of grounding pins (M4 screws) is located beside each of the power connectors on the fan-unit back panel (Figure 3-7). You must connect the grounding cable to one of the pairs of screws. Choose the pair that is the most convenient connection point for your installation. You can use either a single or double lug (Figure 3-8).
a. Use a screwdriver to remove one M4 screw (if you are using a single lug) or two M4 screws (if you are using a double lug).
b. Route the ground cable lug to the location where you removed the M4 screw(s).
c. Insert the M4 screw(s) into the ground cable lug opening(s).
d. Use a screwdriver to firmly tighten the M4 screw(s) so that the ground cable is secure.
e. Use a multimeter that is set to read ohms to test the ground connection. The display on the multimeter should be less than 5 ohms. If the display is more than 5 ohms, tighten or reconnect the ground connection and test it again.
Step 5 Connect the fan unit to an external alarm panel (if applicable). Connect the alarm panel cable (P/N 74-2603) to the 6-pole [P/N AMP 0-176125-6] connector on the front of the fan unit.
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Note When a fan unit is connected to an external alarm panel, you must use a jumper plug (P/N 74-3524) to plug into the 4-pole connector on the front of the fan unit. |
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Caution The maximum power for a signal line is 24 VDC/300 mA. Do not exceed this level when interfacing between an external alarm panel and the fan unit. |
Step 6 Once you have installed the fan unit, verify the following:
Step 7 Connect the alarm panel cable (74-2603-01) to the fan unit and to the alarm distribution panel.
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Note The alarm panel cable is connected with one connector according to Figure 3-10. The other side of the alarm panel cable is unequipped for connection according to customer requirements. |
Step 8 Insert the jumper clip (74-2601-01) in the connector to terminate the fan unit. With this connector it is possible to connect multiple installed fan units through one fan unit to the alarm distribution panel.
You can replace the filter in the fan unit without removing the fiber organizer. Replacing the filter does not affect traffic.
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Warning Do not insert your fingers into the fan tray while the fans are running. |
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Note Remove and visually inspect the fan-unit filter every six months. If necessary, replace the old filter with a new filter (P/N 700-12955). |
Step 2 Slide the filter frame out from the fan unit, as shown in Figure 3-11.
Step 3 Lift up one of the ends of the metal bands that secure the filter.
Step 4 Remove the old filter.
Step 5 Place the new filter in the filter frame.
Step 6 Mount the metal bands by entering the two back extensions into the back of the filter frame and the right extension into the right of the frame. Bend the remaining left metal band extension under the frame.
Step 7 Slide the filter frame back into the fan unit.
Step 8 Lock the filter frame by turning the screws one quarterturn clockwise.
The fiber organizer uses the same four screws (M6 or UNC 12-24) that are used to secure the fan unit.
Step 2 Align the fiber organizer with its four mounting holes (Figure 3-4).
Step 3 Insert and tighten the four screws to connect the fiber organizer to the fan unit and equipment rack.
The following procedures describe how to ground an ONS 15252 MCU. The lug on the ONS 15252 MCU ground cable can be either a single or dual lug as shown in Figure 3-8. You can also ground the MCU using the ground strip (P/N 72-2755) shown in Figure 3-12.
Step 2 Route the ground cable to the grounding pin where the M6 nut and washer were removed.
Step 3 Attach the ground cable to the grounding pin using the M6 nut and washer removed in Step 1.
Step 4 Use a socket wrench to firmly tighten the M6 nut on the grounding pin. The attached ground cable should look similar to the one shown in Figure 3-13.
Step 5 Connect the other end of the ground cable to the ground window.
Step 6 Use a multimeter that is set to read ohms to test the ground connection. The display on the multimeter should be less than 5 ohms. If the display is more than 5 ohms, tighten or reconnect the ground connection and test it again.
Step 2 Route the ground cable to the grounding pins where the M6 nuts and washers were removed.
Step 3 Attach the ground cable to the grounding pins using the M6 nuts and washers removed in Step 1.
Step 4 Use a socket wrench to firmly tighten the M6 nuts on the grounding pins. The attached ground cable should look like the one in Figure 3-14.
Step 5 Connect the other end of the ground cable to the ground window.
Step 6 Use a multimeter that is set to read ohms to test the ground connection. The display on the multimeter should be less than 5 ohms. If the display is more than 5 ohms, tighten or reconnect the ground connection and test again.
Step 2 Route the ground strip to the grounding pin where the M6 nut and washer were removed.
Step 3 Attach the ground strip to the grounding pin with the M6 nut and washer removed in Step 1 .
Step 4 Use a socket wrench to firmly tighten the M6 nut on the grounding pin.
Step 5 Connect the other end of the ground strip to the equipment rack.
Step 6 Use a multimeter that is set to read ohms to test the ground connection. The display on the multimeter should be less than 5 ohms. If the display is more than 5 ohms, tighten or reconnect the ground connection and test it again.
The following procedure explains how to install ONS 15252 power connections.
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Warning Before installing power to the ONS 15252 MCU, remove the fuses from both the A and B sides of the battery distribution bay (BDB) and power distribution panel (PDP). Failure to do so can result in injury or death. Determine the actual wire gauge based on local engineering standards and practices. |
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Warning To prevent equipment damage and injury, do not reverse the polarity of the PDP-to-ONS 15252 MCU power connections. |
Step 2 Connect the MCU power cable to the B side of the PDP. Be sure the poles are correct when you connect the power cable.
Step 3 Insert the power cables into the connector and tighten the wire retaining screws.
Step 4 Align and connect the power cable to the PS-2 (Power Supply 2) connector (left side) on the MCU backplane as shown in Figure 3-15.
Step 5 Tie-wrap the power cable to the MCU as shown in Figure 3-15.
Step 6 Connect the MCU power cable to the A side of the PDP. Be sure the poles are correct.
Step 7 Insert the power cables into the connector and tighten the wire retaining screws.
Step 8 Align and connect the power cable with the PS-1 connector (right side) on the MCU backplane.
Step 9 Tie-wrap the power cable to the MCU.
Step 10 Reinsert the A-side and B-side BDB and PDP fuses.
Step 11 Verify that A- and B-side -48 VDC and -48 VDC return (0 VDC) of the MCU are connected to the proper poles at the power source. The -48 VDC return must be connected to ground the PDP on both the A and B sides.
Step 12 Verify that the incoming power is within the range of -42 VDC to -56 VDC before applying power.
Step 13 Install the Network Control Board (NCB) and CIM temporarily to determine if the ONS 15252 MCU has power. The LEDs on the CIM and NCB are green when the MCU has power.
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Note Refer to the ONS 15200 Module Handbook to find instructions for removing and replacing the NCB and CIM. |
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Note To obtain an accurate LED reading, do not insert an NCB in a CLIP slot while the corresponding NAM is inserted. You must remove the corresponding NAM before you insert the NCB in a CLIP slot. |
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Caution Always use the supplied ESD wrist strap when working with an ONS 15252 MCU. |
The ONS 15252 MCU CLIP modules and the DWDM interface port use SC fiber connectors.
To install fiber-optic cables in the ONS 15252, connect a fiber cable with the corresponding connector type to the transmit and receive ports on the CLIP and the DWDM interface. On a CLIP module, the transmit and receive ports are located at the top of the CLIP. The receive port is located on the left and has an arrow pointing towards the CLIP label. The transmit port is located on the right and has an arrow pointing away from the CLIP label.
Cisco recommends that you label the client-side transmit and receive fiber and A-side and B-side DWDM fibers at each end of the fiber span to avoid confusion with cables that are similar in appearance.
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Warning Follow all directions and warning labels when working with optical fibers. To prevent eye damage, never look directly into a fiber or connector. |
Step 2 Clean and inspect the client-layer optical-fiber jumper cable connectors.
Step 3 Connect the CLIP module input and output to the customer-specified point.
Step 4 Repeat Steps 1 to 3 for each CLIP.
Step 5 Guide the fiber through the metal fiber guide (shelf) above the MCU and then to the cable ties mounted on the sides of the rack. The cable ties hold the fiber to the side of the rack to reduce the risk of fiber pinching.
This section describes how to install an assembled-to-order (ATO) ONS 15201 SCU in an equipment rack.
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Note You can install the ground and power cables before mounting the SCU. See the "Connect the ONS 15201 SCU to Ground" procedure and the "Install the ONS 15201 SCU Power" procedure for more information. |
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Note Clean all optical connectors and use covers to protect them. |
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Caution Static electricity can damage electro-optical equipment. While unpacking and handling electro-optical modules, wear a grounding wrist strap to discharge the static buildup. Grounding wrist straps are designed to prevent equipment damage caused by static electricity. Before making the necessary interconnections, connect the grounding wrist strap. |
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Caution Do not use the AC cord that can be ordered for the SCU in cable management devices such as wiring ducts, plenums, or risers. For such applications, you must provide an approved AC power cord. At minimum, the AC power cord must meet all National Electrical Code (NFPA 70, National Electrical Code, 2000 Edition) and all local building code requirements. This applies to Central Offices and other buildings. |
The ONS 15201 SCU, shown in Figure 3-16, is designed to be installed at ONS 15200 system client sites.
Step 2 Align the SCU with the equipment rack and cage nuts.
Step 3 Insert the SCU into the equipment rack.
Step 4 Connect the SCU to the equipment rack with four M6 screws.
The lug on the ONS 15201 SCU ground cable can be either a single lug or dual lug as shown in Figure 3-8. You can also ground the ONS 15201 SCU using a ground strip as shown in Figure 3-12.
Step 2 Route the ground cable to the grounding pin where the M6 nut and washer were removed.
Step 3 Attach the ground cable to the grounding pin using the M6 nut and washer removed in Step 1 .
Step 4 Firmly tighten the M6 nut on the grounding pin with a socket wrench.
Step 5 Connect the other end of the ground cable to a reliable earth ground.
Step 6 Use a multimeter that is set to read ohms to test the ground connection. The display on the multimeter should be less than 5 ohms. If the display is more than 5 ohms, tighten or reconnect the ground connection and test it again.
Step 2 Route the ground cable to the grounding pins where the M6 nuts and washers were removed.
Step 3 Attach the ground cable to the grounding pins using the M6 nuts and washers removed in Step 1.
Step 4 Firmly tighten the M6 nuts on the grounding pins with a socket wrench.
Step 5 Connect the other end of the ground cable to a reliable earth ground.
Step 6 Use a multimeter that is set to read ohms to test the ground connection. The display on the multimeter should be less than 5 ohms. If the display is more than 5 ohms, tighten or reconnect the ground connection and test it again.
Step 2 Route the ground strip to the grounding pin where the M6 nut and washer were removed.
Step 3 Attach the ground strip to the grounding pin with the M6 nut and washer removed in Step 1 .
Step 4 Firmly tighten the M6 nut on the grounding pin with a socket wrench.
Step 5 Connect the other end of the ground strip to a reliable earth ground.
Step 6 Use a multimeter that is set to read ohms to test the ground connection. The display on the multimeter should be less than 5 ohms. If the display is more than 5 ohms, tighten or reconnect the ground connection and test it again.
The following procedures describe how to connect electrical power to an ONS 15201 SCU.
Step 2 Align the connector on the power cable with the PS-1 power connector on the rear of the SCU. Figure 3-18 shows the power cable connector.
Step 3 Insert the power cable connector into the PS-1 connector.
Step 4 Hand-tighten the power cable connector to firmly mate it to the PS-1 connector.
Step 5 Connect the AC line cord on the AC-to-DC power supply to the AC power grid.
Step 2 Align the connector on the power cable with the PS-2 connector on the front of the ONS 15201 SCU. Figure 3-18 shows the power cable connector.
Step 3 Insert the power cable connector into the PS-2 power supply connector.
Step 4 Hand-tighten the power cable connector to firmly mate it to the PS-2 connector.
Step 5 Connect the AC line cord on the AC-to-DC power supply to the AC power grid.
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Note You can also use PS-2 as a single power-connection point. |
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Warning Before installing power to the ONS 15201 SCU, remove the fuses from both the A and B sides of the BDB and PDP. Failure to do so can cause injury or death. Determine the actual wire gauge based on local engineering standards and practices. |
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Warning Do not reverse the polarity of the PDP connections to the ONS 15201 SCU power connections. Failure to heed this caution can cause equipment damage and personal injury. |
Step 2 Connect the SCU power cable to the B side of the PDP. Be sure the poles are correct.
Step 3 Align the connector on the power cable with the PS-1 connector on the SCU backplane as shown in Figure 3-17.
Step 4 Connect the power cable to the PS-1 connector on the SCU backplane.
Step 5 Make sure the power cable connector is firmly mated to the PS-1 connector.
Step 6 Connect the SCU power cable to the A side of the PDP. Be sure the poles are correct.
Step 7 Align the connector on the power cable with the PS-2 connector on the front panel of the SCU.
Step 8 Connect the power cable to the PS-2 connector on the front panel of the SCU.
Step 9 Make sure the power cable connector is firmly mated to the PS-2 connector.
Step 10 Replace the A- and B-side BDB and PDP fuses.
Step 11 Verify that the A-side -48 VDC and B-side -48 VDC return (0 VDC) of the SCU are connected to the proper poles at the power source.
Step 12 Verify that the incoming power is within the range of -42 VDC to -56 VDC before applying power.
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Caution Always use the supplied ESD wrist strap when working with an ONS 15201. |
ONS 15201 SCU client and add/drop DWDM interfaces use SC fiber connectors.
To install fiber-optic cables in the SCU, connect a fiber cable with the corresponding connector type to the transmit and receive ports on the CLIP and the DWDM add/drop interface of the CSM. On the CLIP, the transmit and receive client ports are located on the left side. The receive port is located on the bottom and has an arrow pointing towards the CLIP label.
The DWDM add/drop interface ports are located on the right side of the SCU. The A-side add port is located on the top left and the A-side drop port is located on the bottom left. The B-side add port is located on the top right and the B-side drop port is located on the bottom right. The ports are labeled for the A side and the B side with arrows indicating which is add (towards the DWDM interface in the external filter) and which is drop (from the DWDM interface). See Figure 3-16 for clarification.
Cisco recommends that you label the client side transmit and receive fibers and A-side and B-side add/drop DWDM interface fibers at each end of the fiber span to avoid confusion with cables that are similar in appearance.
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Warning Follow all directions and warning labels when working with optical fibers. To prevent eye damage, never look directly into a fiber or connector. |
Use the following procedure to connect the ONS 15201 CLIP to the customer-specified point.
Step 2 Remove the caps from the connectors.
Step 3 Clean and inspect the client-layer optical-fiber jumper cable connectors.
Step 4 Connect the CLIP module input and output to the customer-specified demarcation point.
Use the following procedure to connect the ONS 15201 add/drop DWDM signal to the customer-specified demarcation point.
Step 2 Clean and inspect the A-side DWDM optical-fiber jumper cable connector.
Step 3 Connect the A-side DWDM input and output to the customer-specified demarcation point.
Step 4 Repeat on the B-side.
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Note For detailed information about how to connect to the ONS 15216 OADM, see the manual Installing the Cisco ONS 15216 OADMs. |
Normally, the ONS 15252 MCU is configured and shipped with customer-requested modules installed (assembled to order [ATO]). Use the following module installation instructions only when an MCU must be built from scratch. Figure 3-19 shows the MCU with no modules installed. See the "ONS 15252 MCU Assembled-to-Order Installation" procedure for procedures to remove the crossbeam, and install the fan unit, fiber organizer, ground, power, and fibers. The following paragraphs describe how to install the individual modules in the ONS 15201 SCU.
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Note The internal connection between the CLIP and the NAM is done in manufactering. The external connection between the 15252 MCU and the ONS 15216 is done when the equipment is installed. |
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Warning Before installing the ONS 15252 MCU, remove the fuses from both the A and B sides of the PDP. Failure to do so can cause injury or death. |
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Warning Touching electrical connectors or other exposed electrical circuitry inside the ONS 15252 MCU when it is energized can cause serious injury or death. |
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Caution Static electricity can damage electro-optical equipment. While unpacking and handling electro-optical modules, wear a grounding wrist strap to discharge the static buildup. Grounding wrist straps are designed to prevent equipment damage caused by static electricity. Before making the necessary interconnections, connect the grounding wrist strap. |
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Note Clean all optical connectors and keep them protected with caps prior to connection. |
Step 2 Carefully insert the NCB module in the NCB module slot as shown in Figure 3-20. Be sure the NCB module connector and the backplane connector mate correctly.
Step 3 Tighten the NCB module thumbscrews.
Step 2 Carefully insert the CIM into the slot and lower guide rail, making sure that no fibers are pinched in the process. Be sure the CIM connector and the backplane connector mate correctly.
Step 3 Use a slot or Phillips screwdriver to tighten the CIM retaining screws.
Figure 3-21 shows the CIM installed in the ONS 15252 MCU.
Step 2 Carefully insert the CLIP module into the slot. Be sure the CLIP module connector and the backplane connector mate correctly.
Step 3 Tighten the CLIP module thumbscrews.
Step 4 Repeat Steps 1to ,3 for each CLIP module in the ONS 15252 MCU.
Step 5 Install a CLIP module slot cover for each empty CLIP module slot.
Figure 3-22 illustrates an ONS 15252 MCU with three CLIP modules installed.
Cisco builds NAM modules per customer design specifications. If you plan to install multiple NAMs, verify that the NAM splitter ratio (50/50, 100/0; 0/100 is done with the same unit) matches the requirements of the associated CLIP module.
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Note For protected traffic you have to install two ONS 15216 Red and Blue Band DWDM MUX/DEMUX system |
Step 2 Carefully insert the NAM into the slot. Make sure that the NAM is properly inserted in the lower guide rail located in the NAM slot, and that the NAM connector and the backplane connector mate correctly.
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Caution When you insert the NAM, ensure that the fiber cables and connector emerging from the NAM are not pinched, which could damage the fibers. |
Step 3 Using a slot or Phillips screwdriver to tighten the NAM retaining screw.
Step 4 Remove the dust plugs from the CLIP module.
Step 5 Remove the dust cap from one of the three NAM MU connectors (for a protected channel) or one of the two NAM MU connectors (for an unprotected channel), as shown in Figure 3-23. Start with the fibers connected to the receivers, labeled either A or B.
Step 6 Clean and inspect the MU connector.
Step 7 For a protected channel, connect the NAM fiber labeled A and B to the corresponding MU optical adapters (also labeled A and B) on the associated CLIP module.
Step 8 Repeat Steps 6 and 7 for the other receiver.
Step 9 For an unprotected channel, connect the optical-fiber jumper cable labeled A to the A-side MU adapter on the associated CLIP module.
Step 10 Connect the transmitter optical fiber to the DWDM transmitter MU adapter on the CLIP (labeled with a down arrow). See Figure 3-25.
Step 2 Clean and inspect the optical connectors of the fiber cable
Step 3 Connect the first fiber cable to the lower 50 adapter of the NAM on the far left, (Figure 3-24 and Table 3-2). The fiber should be connected to the MUX side of the first ONS 15216 MUX/DEMUX (i.e. A side).
Step 4 Remove the plug on the ONS 15216 MUX/DEMUX, remove the cap on the connector and inspect and clean the connector before inserting it into the adapter. Connect the fiber to the MUX side of the ONS 15216 MUX/DEMUX (i.e. A side), as shown in Figure 3-25.
Step 5 Connect the second fiber cable to the upper 50 adapter of t he NAM on the far left, (Figure 3-24 and Table 3-2). The fiber should be connected to the MUX side of the second ONS 15216 MUX/DEMUX (i.e. B side).
Step 6 Remove the plug on the ONS 15216 MUX/DEMUX, remove the cap on the connector and inspect and clean the connector before inserting it into the adapter. Connect the fiber to the MUX side of the second ONS 15216 MUX/DEMUX (i.e. B side) as shown in Figure 3-25.
Step 7 Connect the third fiber cable to the A adapter of the leftmost NAM on the far left, (Figure 3-24 and Table 3-2). The fiber should be connected to the DEMUX side of the first ONS 15216 MUX/DEMUX (i.e. A side).
Step 8 Remove the plug on the ONS 15216 MUX/DEMUX, remove the cap on the connector and inspect and clean the connector before inserting it into the adapter. Connect the fiber to the DEMUX side of the first ONS 15216 MUX/DEMUX (i.e. A side) as shown in Figure 3-25.
Step 9 Connect the fourth fiber cable to the B adapter of the NAM on the far left, (Figure 3-24 and Table 3-2). The fiber should be connected to the DEMUX side of the second ONS 15216 MUX/DEMUX (i.e. B side).
Step 10 Remove the plug on the second ONS 15216 MUX/DEMUX, remove the cap on the connector and inspect and clean the connector before inserting it into the adapter. Connect the fiber to the DEMUX side of the second ONS 15216 MUX/DEMUX (i.e. B side) as shown in Figure 3-25.
Step 11 Use the labeling on the fiber to ensure that the A side and the B side of the node are not interchanged. Figure 3-25 shows a NAM connected to ONS 15216 MUX/DEMUX optical port.
Step 12 After connecting the NAM to the ONS 15216 MUX/DEMUX, route the fiber through the lateral brackets on both the ONS 15252 and ONS 15216 MUX/DEMUX.
Step 13 Wind the fiber to a Loop with approximately 80-mm diameter and fix it with the enclosed straps.
Step 14 Route the fiber through the holding device on the NAM.
Step 15 Route the fiber through the fiber guides on the ONS 15252 shelf
Step 16 Verify that the fiber is firmly fixed in the lateral brackets on side of the ONS 15216 MUX/DEMUX and ONS 15252 shelf.
Step 17 Repeat this procedure for all subsequent ONS 15252 NAMs.
Table 3-2 displays the NAM connectors with the functionality.
Table 3-2 NAM Connectors in protected mode (50/50)
Step 18 Close the lid over the passive optical shelf
Step 2 Clean and inspect the optical connectors of the fiber cable
Step 3 Connect the first fiber cable to the A adapter of the NAM on the far left, (Figure 3-26, Table 3-3 and Table 3-4). The fiber should be connected to the DEMUX side of the ONS 15216 MUX/DEMUX
Step 4 Remove the plug on the ONS 15216 MUX/DEMUX, remove the cap on the connector and inspect and clean the connector before inserting it into the adapter. Connect the fiber to the DEMUX side of the ONS 15216 MUX/DEMUX, as shown in Figure 3-27.
Step 5 Connect the second fiber cable to the 100 adapter of the NAM on the far left, (Figure 3-26 and Table 3-3). The fiber should be connected to the MUX side of the ONS 15216 MUX/DEMUX.
Step 6 Remove the plug on the ONS 15216 MUX/DEMUX, remove the cap on the connector and inspect and clean the connector before inserting it into the adapter. Connect the fiber to the MUX side of the ONS 15216 MUX/DEMUX as shown in Figure 3-27.
Step 7 Use the labeling on the fiber to ensure that the connection of the node are not interchanged. Figure 3-27 shows a NAM connected to ONS 15216 MUX/DEMUX optical port.
Step 8 After connecting the NAM to the ONS 15216 MUX/DEMUX, route the fiber through the lateral brackets on both the ONS 15252 and ONS 15216 MUX/DEMUX.
Step 9 Wind the fiber to a Loop with approximately 80-mm diameter and fix it with the enclosed straps.
Step 10 Route the fiber through the holding device on the NAM.
Step 11 Route the fiber through the metal fiber guides (shelf) on the ONS 15252 shelf
Step 12 Verify that the fiber is firmly fixed in the lateral brackets on side of the ONS 15216 MUX/DEMUX and ONS 15252 shelf.
Step 13 Repeat this procedure for all subsequent ONS 15252 NAMs.
Table 3-3 and Table 3-4 describes the functionllity of each NAM connectors in unprotected mode.
Table 3-3 NAM Connectors in unprotected mode (100/0)
| NAM Connector | Description |
|---|---|
This adapter is associated with the receive A side of the ONS 15252 |
|
This adapter is associated with the transmit A side of the ONS 15252 |
Table 3-4 NAM Connectors in unprotected mode (0/100)
| NAM Connector | Description |
|---|---|
This adapter is associated with the receive B side of the ONS 15252 |
|
This adapter is associated with the transmit B side of the ONS 15252 |
Step 14 Close the lid over the passive optical shelf
You must install a Dummy Network Adaptation module (DNAM) in all unused NAM slots.
Step 2 Carefully insert the DNAM into the slot. Be sure that no fibers are pinched in the process.
|
Caution When you insert the DNAM, ensure that the fiber and connector emerging from the adjacent NAMs are not pinched, which could damage the fibers. |
Step 3 Use a slot or Phillips screwdriver to tighten the DNAM retaining screws.
Step 4 Repeat Steps 1-3 for each DNAM you are installing in the MCU.
The ONS 15252 MCU with all modules installed and cover lid shut is shown in Figure 3-28.
Normally, the ONS 15201 SCU is configured and shipped with the customer-requested modules already installed. Use the following module installation instructions only when you must build the ONS 15201 SCU from scratch. The following paragraphs describe how to install the individual modules in the ONS 15201 SCU.
Before beginning this section, see the "ONS 15201 SCU Assembled-to-Order Installation" procedure to mount the equipment in a rack, and install power, ground, and fiber.
Step 2 Locate the CSM cover lid (Figure 3-29).
Step 3 Use a Phillips screwdriver to loosen two turns the retaining screws on the CSM cover lid. The positions of the retaining screws are shown in Figure 3-30.
Step 4 Remove the cover lid by sliding it to the right and pulling up.
Step 5 Use a Phillips screwdriver and remove the rear collector cover retaining screws of the rear connector cover. Figure 3-31 shows the position of the retaining screws.
Step 6 Remove the rear connector cover by sliding it back and pulling up.
Step 7 Remove the four screws in the 15201 SCU enclosure.
Step 8 Carefully insert the CSM into the SCU. Be careful not to damage the CSM fiber while inserting the module.
Step 9 Align the four holes in CSM case with the four CSM standoffs inside the SCU. When properly aligned, the CSM standoffs fit in the holes in the CSM case.
Step 10 Fasten the CSM to the CSM standoffs with four retaining screws.
Step 11 Remove the dust plugs located on the inside of the SCU SC-to-SC adapters.
Step 12 Perform the following for each SC connector on the CSM module:
a. Remove the dust cap from the SC connector of the CSM fiber. Do not remove the dust cap of the MU connector of the CSM fiber.
b. Clean and inspect each SC connector of the CSM module before installing them.
Step 13 Connect the CSM fiber to the A- and B-side SC-to-SC adapters in accordance with the labels on the cables. Figure 3-32 shows a CSM for an unprotected channel; Figure 3-33 shows a CSM for a protected channel. Figure 3-34, Figure 3-35 and Figure 3-36 show the connection information for each configuration.
Figure 3-34 shows the 0/100 optical signal split ratio connections.
Figure 3-35 shows the 100/0 optical signal split ratio connections.
Figure 3-36 shows the 50/50 optical signal split ratio connections.
|
Note The splitting ratio 0/100 is made with the 100/0 CSM card and a appropriate fiber connection. This means, connect the optical fiber in the right way otherwise the traffic goes through the wrong side. |
Step 14 Route the CSM MU connectors to the CLIP module area (a CLIP has not yet been installed) through the opening in the front panel of the SCU (to the left of the LED-panel).
Step 15 Align the rear collector cover with its retaining screws.
Step 16 Install the rear collector cover.
Step 17 Use a Phillips screwdriver and connect the rear collector cover retaining screws.
Step 18 Align the CSM access lid with the rear collector cover retaining screws.
Step 19 Install the CSM access lid by pushing down on the lid and sliding it to the left.
Step 20 Use a Phillips screwdriver to tighten the CSM access lid retaining screws.
Step 2 Carefully insert the CLIP module in the slot. Be sure the CLIP module connector and the backplane connector mate correctly and that no fibers are pinched.
Step 3 Tighten the CLIP module thumbscrews.
Step 4 Remove the MU dust cap from one of the MU connectors on the CSM.
Step 5 One at a time, remove the dust plugs from the CLIP module optical-fiber adapter, starting with the receivers.
Step 6 Clean and inspect the connectors on the fiber.
Step 7 Connect the fiber to the CLIP module optical connectors in accordance with the labels located on the cables, starting with the receivers.
Step 8 Repeat Steps 1 to 7 for each SCU in the configuration.
You can extend the ONS 15200 system internal bus between system nodes by physically connecting CAN bus cables between the nodes.
You can combine the two different network objects as long as the total CAN bus length is less than 22 meters and the following empirical rules apply:
|
Note You can obtain one-meter (3.3 ft.) and five-meter (16.4 ft.) bus cables from Cisco (P/N 72-2654 and 72-2790, respectively). |
Route the bus cables from one node to another and connect them to the INT BUS ports.
A CAN bus connects CLIP modules on an ONS 15252 MCU, as well as the NCB modules. (No more than two NCB modules are allowed per CAN bus.) You can extend this data bus over several colocated network elements (ONS 15252 MCUs or ONS 15201 SCUs) to a larger logical unit. Normally, one CAN bus connects all ONS 15200 equipment located at one site.
When several MCUs are joined on a single CAN bus, they must have different backplane jumpers. The backplane jumpers are located between slots 15 and 16 of the MCU backplane (Figure 3-39).
When leaving the factory, the two jumpers are set to 00. When adding MCUs to a single CAN bus, reset these jumpers to 01, 10, and 11. In an MCU with backplane jumpers set to 11, only slots 1 through 12 will be used because the system will try to assign identical data communications network (DCN) addresses to all CLIPs in slots 12 through 16. Each CLIP must have a unique DCN address.
|
Note Before changing the MCU backplane jumper settings, turn the MCU power off. After you have changed the settings, turn the power back on. When the you restart the power, the system assigns each CLIP a new unique DCN address. If you can not change the MCU backplane jumper settings due to live traffic, the firmware will resolve address conflicts as they occur. |
This section describes how to install an additional channel in an ONS 15200 system. To add a channel, two CLIP modules are necessary at different nodes, either an MCU or an SCU.
|
Caution Installing a new channel may cause traffic interruption for some configurations. Before adding a channel, verify that protected CLIPs are not set to switch mode "forced_a" or "forced_b." |
This section describes how to set up an additional channel at an ONS 15252 MCU. Because a channel is always between different nodes, repeat the process at the other endpoint of the channel. If you instead plan to add a channel between an MCU and SCU, after completing the procedures in this section, continue with the "Channel Addition Using an ONS 15201 SCU" procedure.
Step 2 Remove the common cover for the CLIPs, if used.
Step 3 Remove the blank front panel from the first slot on the right side of the installed CLIP modules.
Step 4 Align the CLIP module with the CLIP module slot.
Step 5 Carefully insert the CLIP module into the slot. Be sure that the backplane connector and the CLIP module connector are correctly mated and that no optical fiber is damaged in the process.
Step 6 Tighten the CLIP module thumbscrews.
Step 2 Slide the new NAM into the slot where the DNAM was removed.
Step 3 Use a slot or Phillips screwdriver to tighten the retaining screws.
|
Note Ensure that the NAM fibers are not pinched when you insert the module. |
Step 2 Clean and inspect the fiber from the NAM that is labeled A.
Step 3 Connect the fiber labeled A to the A-side DWDM receiver on the CLIP module, or the B-side receiver if this is the intended configuration.
Step 4 If the channel is protected, clean the fiber from the NAM that is labeled B.
Step 5 Connect the fiber that is labeled B to the B-side DWDM receiver on the CLIP module.
Step 6 Clean and inspect the transmit DWDM fiber.
Step 7 Connect the DWDM fiber from the NAM to the center fiber input on the CLIP module (labeled with a down arrow).
|
Note For detailed information how to connect the NAM to the ONS 15216 MUX/DEMUX, see the "Install the Network Adaptation Module in the ONS 15252 MCU" procedure. |
Step 2 Check the optical power levels and make sure you have the two CLIP modules communicating with each other and not one CLIP module communication back to itself.
Step 3 At each MCU, connect the client-layer fibers:
a. Remove the dust plugs from the CLIP module client-layer connectors.
b. Clean and inspect the client-layer optical-fiber jumper cable connectors.
c. Connect the CLIP module input and output to the customer-specified point.
d. Guide the fiber through the metal fiber guide mounted over the ONS 15252, in front of the fan unit.
This section describes how to complete a channel by adding an ONS 15201 SCU to the ring.
a. At the NCB:> prompt, type con clip clip_xxx (where xxx is the serial number of the CLIP module) and press Enter.
b. Type cd dwdm and press Enter.
c. Type list value and press Enter.
d. Type switchmode automatic and press Enter.
Step 2 Install the new SCU (ATO) in the equipment rack.
Step 3 Connect the new SCU power to power connector PS-1 or PS-2 (or both if redundant power supplies are used) and verify that no red LED is lit.
Step 4 Inhibit the board power alarm if you are only using one power source.
Step 5 To break the ring, disconnect the fiber connecting the ONS 15252 MCU to the ONS 15201 SCU A-side IN and OUT ports, or the fiber between two SCUs.
Step 6 Insert Rx A side and Tx B side of the line fiber. This should connect the route from A to B through the SCU (but not the other way around).
Step 7 Ensure that the A side is activated on the SCU by looking at the LED or a management interface.
Step 8 Ensure that all channels are present on the MCU B side.
Step 9 Ensure that only the expected channels are visible on the MCU A side, i.e., the channels between the new SCU and MCU A side.
Step 10 Repeat for Rx B and Tx A.
Step 11 Look at the management interface and make sure you have communication between the two CLIP modules.
Step 12 Connect the client ports of the new SCU to the appropriate client equipment.
Step 13 Make sure you have connection between the client side equipment.
Posted: Thu Apr 17 13:56:22 PDT 2003
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