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This document describes how to connect a Cisco DS-3 ATM, DS-3 Frame, or 9100 Series LAN/WAN SwitchProbe device to a DS-3 tap.
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Note The Cisco 9100 Series LAN/WAN SwitchProbe device must have a DS-3 Frame interface in order to use the DS-3 tap |
The DS-3 tap is a passive device that presents high impedance to the link. Therefore, you can connect and disconnect the DS-3 ATM, DS-3 Frame, or 9100 Series LAN/WAN SwitchProbe device from the tap without disrupting the integrity of the link being monitored.
The DS-3 tap kit consists of the following items:
Figure 1 shows the front panel of the DS-3 tap. The front panel contains four
BNC connectors.
Figure 2 shows the rear panel of the DS-3 tap. The rear panel contains a female DB-15 connector.
Before connecting the SwitchProbe device to the network, note the following warnings.
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Note To see the warnings in multiple languages, see the appendix "Translated Safety Warnings" in the Cisco SwitchProbe Installation and Configuration Guide. |
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Warning Before opening the chassis, disconnect the telephone-network cables to avoid contact with telephone network voltages. |
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Warning Do not work on the system or connect or disconnect cables during periods of lightning activity. |
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Warning The equipment is intended to be installed and maintained by service personnel only as defined by AS/NZS 3260 Clause 1.2.14.3 Service Personnel. |
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Warning Hazardous network voltages are present in WAN ports regardless of whether power to the unit is OFF or ON. To avoid electric shock, use caution when working near WAN ports. When detaching cables, detach the end away from the unit first. |
Connecting the DS-3 ATM, DS-3 Frame, or 9100 Series LAN/WAN SwitchProbe device to a network segment is a two-stage process:
To connect the DS-3 ATM, DS-3 Frame, or 9100 Series LAN/WAN SwitchProbe device, see Figure 3 (which shows a DS-3 Frame SwitchProbe device as an example) and follow these steps:
Step 2 Plug the female connector of this cable into port 1 on the DS-3 interface.
Step 3 Plug the other end of the 15-foot cable (the end with the male DB-15 connector) into the female DB-15 port of the DS-3 tap.
To connect the DS-3 tap to the network, see Figure 4 and follow these steps:
Step 2 Unplug these two cables from one of the two DS-3 devices.
Step 3 Plug the ends of these two cables into the two ports labeled IN on the DS-3 tap.
(The device plugged into the two IN ports is the DTE device).
Step 4 Locate two six-foot cables (with BNC connectors at each end) that are shipped with the SwitchProbe device.
Step 5 Plug one end of each of these cables into the two ports labeled OUT on the
DS-3 tap.
Step 6 Plug the remaining connector on each of these cables into the DS-3 device from which you unplugged the cables in Step 2. (The device plugged into the two OUT ports on the tap is the DCE device.)
Step 7 See Figure 5 to confirm that the new cabling setup reestablished the connections you had previously.
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Posted: Thu Jul 25 04:04:30 PDT 2002
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