Installing the Cisco ICS 7750 Hardware

This chapter describes how to install the Cisco Integrated Communications System 7750 (Cisco ICS 7750) chassis. This chapter includes the following sections:

Mounting the System

This section provides mounting instructions for the Cisco ICS 7750 and the Catalyst switches, as follows:

Warning Two people are required to lift the chassis. To prevent injury, keep your back straight and lift with your legs, not your back.

Chassis Dimensions

The Cisco ICS 7750 chassis dimensions are as follows:

Height: 15.75 in. (9U)
Width: 17.25 in.
Depth: 12.5 in.

The chassis is designed to be rack-mounted in a standard 19-inch rack.

Installing the Cable Management Bracket

The system ships with a cable management bracket (see Figure 3-1). You can attach the cable management bracket to the chassis with three supplied 6-32 x 0.375-inch Phillips screws. Figure 3-2 shows the system with an installed cable management bracket.

Figure 3-1 Cable Management Bracket

Figure 3-2 Installed Cable Management Bracket

Rack Mounting

This section describes how to rack-mount the system chassis and refers you to documentation for rack-mounting the Catalyst switches.

You can mount the Cisco ICS 7750 in a standard 19-inch rack. This section describes how to front-mount or mid-mount the chassis in a rack.

The chassis is shipped with a rack-mounting kit that includes the following items:

Two rack-mount brackets
Eight Phillips screws (8-32 x 1/4 inch) to attach the brackets to the chassis
Eight Phillips screws (10-32 x 1/2 inch) to attach the brackets (and the chassis) to the rack

Tip Plan the system installation so that the weight of the equipment is evenly distributed in the rack and so that the heaviest units are toward the bottom of the rack.

Warning The plug-socket combination must be accessible at all times because it serves as the main disconnecting device.

Warning To prevent bodily injury when mounting or servicing this unit in a rack, you must take special precautions to ensure that the system remains stable. The following guidelines are provided to ensure your safety:

This unit should be mounted at the bottom of the rack if it is the only unit in the rack.
When mounting this unit in a partially filled rack, load the rack from the bottom to the top, with the heaviest component at the bottom of the rack.
If the rack is provided with stabilizing devices, install the stabilizers before mounting or servicing the unit in the rack.

Caution Use only the screws included in the rack-mount kit to install the system in a rack. Using screws other than those in the rack-mount kit, especially screws longer than one-half inch, can damage the chassis and its internal components.

Complete these steps to rack-mount the chassis.

Step 1 Use the 8-32 x 1/4-inch Phillips screws to attach the brackets in one of the two positions shown in Figure 3-3.

Step 2 Lift and slide the chassis into the front of the rack.

Step 3 Use the eight 10-32 x 1/2-inch Phillips screws to securely attach the brackets to the rack.

Step 4 Ground the chassis according to the instructions in the "Grounding the System" section.

Figure 3-3 Rack-Mount Bracket Locations

Desktop Mounting

This section describes how to install the Cisco ICS 7750 on a desktop and how to use the included desktop-mounting kit to stack as many as two Catalyst switches on top of the chassis.

You need the following items for a desktop installation:

Number-1 Phillips screwdriver
Four rubber feet (in the hardware accessory kit)
Desktop stacking kit (in the hardware accessory kit), which includes the following items:

Two chassis-to-switch brackets (shown in Figure 3-4) for connecting a Catalyst switch to the top of the Cisco ICS 7750 chassis.
Two switch-to-switch brackets (shown in Figure 3-4) for connecting a second switch to a switch stacked on top of the Cisco ICS 7750 chassis.
Eight Phillips 8 x 0.375-inch screws to attach the brackets to the switches.
Two Phillips 8-32 x 1/4-inch screws to attach the brackets to the chassis.Do not stack the chassis on any other equipment. If the chassis falls, it can cause severe bodily injury and equipment damage.

Figure 3-4 Desktop Mounting Brackets (One of Each Type Shown)

Affixing Rubber Feet to the Chassis

Follow these steps to prepare the chassis for a desktop installation.

Warning Two people are required to lift the chassis. To prevent injury, keep your back straight and lift with your legs, not your back.

Step 1 Starting with the chassis resting on a flat surface, tilt the chassis back until the bottom is exposed.

Step 2 Attach the rubber feet to the four recessed areas (one at each corner) on the bottom of the chassis, to prevent the chassis from sliding across a surface.

Step 3 Place the chassis on a flat, secure surface.

Stacking Switches on the Chassis

You can stack two Catalyst switches on the Cisco ICS 7750 in a desktop configuration. Use the two chassis-to-switch brackets (see Figure 3-4) to attach the first Catalyst switch to the top of the chassis, as shown in Figure 3-5. To add another switch on top of the first switch, use the two switch-to-switch brackets (see Figure 3-4) to attach the additional switch, as shown in Figure 3-6.

Caution If you are using more than two switches with the Cisco ICS 7750, mount the chassis and the switches in a rack. For instructions on rack-mounting the Cisco ICS 7750, see the "Rack Mounting" section. For instructions on rack-mounting Catalyst switches, refer to the "Installation" chapter in the installation guide that came with the switch.

Figure 3-5 Mounting the First Catalyst Switch on the Chassis

Figure 3-6 Mounting an Additional Catalyst Switch on the Chassis

Power Supply Use Guidelines

This section describes guidelines for using power supplies with the Cisco ICS 7750.

One uninterruptible power supply (UPS) can support one of the following configurations:

One Cisco ICS 7750 and two Catalyst switches
Three Cisco ICS 7750 systems (no Catalyst switches)
Three Catalyst switches

One Cisco Redundant Power Supply (RPS) 300 provides redundant power for one Catalyst switch.
One dedicated wall power-outlet can support one of the following configurations:

One Cisco ICS 7750 and two Catalyst switches
Three Cisco ICS 7750 systems (no Catalyst switches)

Figure 3-7 shows a recommended power configuration that uses two UPSs and an RPS 300 to provide backup power to the Cisco ICS 7750 and to five connected Catalyst 3524-PWR XL switches.

Figure 3-7 Recommended Power Configuration for the Cisco ICS 7750 with Five Catalyst Switches

Table 3-1 describes additional power supply configurations.

Table 3-1 Power Supply Configurations

Power Supply Modules	Switches	UPS	RPS	Comments
1	5	0	0	No backup power for system. No backup power for subsystem cards. No backup power in case of a temporary loss of an AC circuit.
2	5	0	0	System has backup power. Any switch with a failed internal power supply fails. No backup power in case of a temporary loss of an AC circuit.
1	5	0	1	No backup power for system. Switches have N+1 backup power. Redundant power supply for the switches. No backup power in case of a temporary loss of an AC circuit.
2	5	0	1	System has backup power. Switches have N+1 backup power. Redundant power supply for the switches. Temporary loss of an AC circuit results in the loss of two switches if the RPS has its own power source.
1	5	2	1	System has backup power. System goes down if the power supply fails. Switches have N+1 backup power. The UPS provides backup power during any temporary AC power loss.
1	5	2	0	No backup power for subsystem cards. The UPS provides backup power during any temporary AC power loss.
2	5	2	0	System has backup power. No redundant power supply for the switches. The UPS provides backup power during any temporary AC power loss.

Grounding the System

You must ground the system before installing any processor cards and before powering on the chassis. Follow the electrical wiring guidelines in this section to make sure that the system is correctly grounded.

Warning This equipment needs to be grounded. Use a green and yellow 14 AWG ground wire to connect the host to earth ground during normal use.

Warning When installing the unit, the ground connection must always be made first and disconnected last.

Electrical Panel Configuration

Before grounding the chassis (and the UPS, if required), verify that your electrical AC panel is configured as shown in Figure 3-8, to ensure that your system can be correctly grounded and powered.

Figure 3-8 Electrical (AC) Panel Configuration

Possible Grounding Configurations

There are two possible grounding configurations for the Cisco ICS 7750:

With a UPS, as shown in Figure 3-9.

In this configuration, the Cisco ICS 7750 is grounded to the wall outlet. The supplementary ground connector ensures that, in case the UPS fails or is accidentally unplugged, the Cisco ICS 7750 remains safely grounded.

Without a UPS, as shown in Figure 3-10.

In this configuration, the Cisco ICS 7750 is grounded to the wall outlet only. Because there is no backup power system, no grounding redundancy is required.

Figure 3-9 Grounding the System—UPS

Figure 3-10 Grounding the System—No UPS

Grounding Procedure

For this procedure, you need to provide a number-14 American Wire Gauge (AWG) grounding wire. The Cisco ICS 7750 should use single-point grounding: All grounding connections should be made with the same ground wire.

Complete the following steps to ground the chassis:

Step 1 Loosen the nut on the grounding lug on the rear of the chassis.

Figure 3-11 Grounding Lug Location

Step 2 Connect the ground wire to the grounding lug.

Step 3 Tighten the nut on the grounding lug. If you are not using a UPS, skip to Step 5.

Step 4 Connect the ground wire to the grounding lug on the UPS.

Step 5 Connect the ground wire to the electrical (AC) outlet.

Step 6 Power on the chassis according to the "Power Supply Use Guidelines" section.

Connecting to Card Ports

This section describes how to connect to processor card ports, as follows:

Caution Do not connect the system switch processor (SSP) Ethernet ports (labeled 1x and 2x) to your Ethernet network until you have successfully completed the initial configuration program as described in the "Running the Initial Configuration Program" section. Do not remove the sticker covering the Ethernet ports on the SSP until directed to do so.

Caution Do not remove the panel that covers an empty chassis slot until you are ready to install a card in the slot. An empty slot without a panel can cause an airflow problem that affects system cooling. After you remove a panel to install a card, save the panel in case you need to use it later to cover an empty slot.

Note To easily manage cables that are connected to the system, install the cards that have the greatest number of connected cables as far left in the chassis as possible. For example, an MRP300 with two 2-port WICs might be installed in slot 1, to prevent the cables connected to the card from obscuring the front panels of other cards.

Typical Configuration

The Cisco ICS 7750 can contain different combinations of cards and power supply modules. Figure 3-12 shows one possible system configuration, and Table 3-2 describes the components in this configuration. The procedures described in this document are based on the configuration shown in Figure 3-12. Before you begin the installation, take a few moments to familiarize yourself with the system configuration shown in Figure 3-12 and the system components listed in Table 3-2.

Figure 3-12 Cisco ICS 7750 Typical Configuration

Table 3-2 Components in a Typical Cisco ICS 7750 Configuration

Label	Component Name	Description
1	MRP300	A router/voice gateway. Note See "PVDM Requirements"for guidelines on the WAN interface card (WIC), voice WAN interface card (VWIC), voice interface card (VIC), and packet voice/data module (PVDM) combinations supported on the Cisco multiservice route processor (MRP300).
2	MRP300	Same as 1.
3	MRP3-8FXS	A router/voice gateway with 8 Foreign Exchange Station (FXS) ports and 1 standard WIC/VIC slot.
4	MRP3-16FXS	A router/voice gateway with 16 FXS ports.
5	SPE310 for applications	System processor engine (SPE) 310. A single-board computer, installed in slot 5 by default, that can run Cisco CallManager and can also run other applications.
6	SPE310 running System Manager	A single-board computer, installed in slot 6 by default, that runs ICS System Manager and can run Cisco CallManager.
7	SSP	System switch processor. An Ethernet switch that provides connectivity between system cards in the chassis, and to other switches on the LAN.
8	SAP	System alarm processor. A module that monitors the status of the chassis, power supply modules, and fans; this module feeds real-time data to the SPE310s.
9	Power supply module	A power supply module (200W) that powers the chassis. The empty slot shown in Figure 3-12 (on the right side of the chassis) supports an optional redundant power supply module.
10	T1 WIC or E1 WIC	A WAN interface T1/E1 card that connects the system to the WAN-link service provider. Refer to the Cisco Interface Cards Installation Guide for details about the Cisco WICs, VWICs, and VICs described in this document.
11	T1 VIC, T1 VWIC, E1 VIC, or E1 VWIC	A T1/E1 card that connects the system to either a Public Switched Telephone Network (PSTN) or to a private branch exchange (PBX).
12	2-port FXO VIC	A Foreign Exchange Office (FXO) card that connects the system to a PSTN, to a PBX, or to both. This card connects the system to either the same or a different PSTN or PBX that the T1 VIC connects to.
13	56-kbps CSU/DSU WIC	A channel service unit/data service unit (CSU/DSU) card that can be configured to provide circuit-switched, dedicated, or leased-line service at 56 kbps. This card also supports 64-kbps dedicated lines.
14	8-port FXS	An FXS card that connects the system to analog telephone devices, such as telephones, fax machines, or teleconferencing stations.
15	2-port analog DID VIC	A Direct Inward Dialing (DID) card that connects the system to a PSTN line that is provisioned for DID or to a PBX.

SPE310 Connections

Before powering on the Cisco ICS 7750, you must connect the CD-ROM drive, a monitor, a keyboard, and a mouse to an SPE310. These peripherals are required for software installation, such as Cisco CallManager.

Note You can install these peripherals after you have powered on the Cisco ICS 7750, but you will need to restart the SPE310 card after you install the peripherals in order for the Windows 2000 operating system to recognize them.

Note Be sure to remove the peripherals from the SPE310 after installing software.

Attaching the CD-ROM Drive Tray

Complete the following steps to attach the CD-ROM drive tray to the fan tray on the Cisco ICS 7750.

Note The CD-ROM drive tray is for temporary use when installing software. Remove the CD-ROM drive and drive tray when you finish the installation.

Step 1 Remove the CD-ROM drive tray from the accessory kit.

Step 2 Attach the CD-ROM drive tray to the fan tray underneath the SPE310 by threading the hooks on the drive tray into the lowest portion of the grid on the fan tray as shown in Figure 3-13.

Figure 3-13 Attaching the CD-ROM Drive Tray

Installing the CD-ROM Drive

Complete the following steps to install the CD-ROM drive:

Step 1 Remove the CD-ROM drive from the accessory kit.

Step 2 Place the CD-ROM drive in the drive tray as shown in Figure 3-14.

Caution Do not place any object other than the CD-ROM drive on the drive tray. The drive tray is designed only for the weight of the CD-ROM drive.

Figure 3-14 Installing the CD-ROM Drive

Step 3 Connect the CD-ROM drive USB cable to one of the USB ports on the SPE310.

Connecting a Monitor, Keyboard, and Mouse to the SPE310

Connect your monitor cable to the monitor port on the SPE310.
If you are using a PS/2-style keyboard and mouse, connect the "Y" splitter cable for your keyboard and mouse to the keyboard/mouse port on the SPE310. Then connect your keyboard and mouse to the available ends of the "Y" splitter cable.
If you are using a Universal Serial Bus (USB) keyboard and mouse, connect the USB keyboard to the available USB port on the SPE310, and then connect the mouse to the pass-through USB port on the keyboard. If you are using a USB hub instead of a keyboard with a pass-through USB port, connect the USB hub to the available USB port on the SPE310, and then connect the keyboard and mouse to the USB hub.

Using USB Devices

This section lists USB devices—keyboards, mice, and hubs—that have been tested for use with SPE310s in the ICS 7750 chassis.

USB keyboards

CompUSA Premium Multimedia Keyboard
Logitech Internet Navigator Keyboard
Microsoft Internet Keyboard Pro

USB mice

CompUSA Mini USB Mouse
Kensington PocketMouse
Logitech First Wheel Mouse
Logitech Wheel Mouse Optical
Microsoft IntelliMouse Optical
Microsoft WheelMouse Optical

USB hubs

Belkin 4-Port USB Hub

USB devices that require installation of additional software or non-native Windows 2000 drivers will probably not work with the ICS 7750, and therefore Cisco recommends against trying to use them.

Note USB devices not listed here may work with the SPE310, but Cisco cannot guarantee that they will.

MRP, ASI81, and MRP3-8FXS Connections

MRP, ASI81, and MRP3-8FXS connections vary, depending on the WICs, VICs, andVWICs that are installed in the system cards. The following are some connection examples:

T1/E1 WIC—Use a serial cable (DB-60) to connect this type of card to the wall jack that provides WAN data services to your Cisco ICS 7750.
T1/E1 VIC or T1/E1 VWIC—Use a straight-through RJ-48C-to-RJ-48C cable to connect this type of card to the PSTN (or to a legacy PBX).

Note In countries in which PSTNs do not use RJ-11 wall outlets, use a suitable adapter to convert the plug on an RJ-11 modular cable to the type of wall outlet connector used locally. These adapters are not sold by Cisco Systems, but the adapters are available from other vendors.

FXO—Use a standard modular telephone cable (RJ-11) to connect this type of card to the PSTN, to a legacy PBX, or to a combination of both.
FXS—Use a standard modular telephone cable (RJ-11) to connect this type of card to analog devices, such as telephones, fax machines, or teleconferencing stations.

Note For additional information about connections, refer to the Cisco Interface Cards Installation Guide.

SSP Connections

Remove the sticker covering the Ethernet 10/100 ports on the SSP (labeled 1x and 2x) and use the supplied straight-through Ethernet cable (yellow) to connect the network interface card (NIC) on your PC to either one of the SSP Ethernet ports.

Caution Do not connect the SSP Ethernet ports (labeled 1x and 2x) to your Ethernet network until you have successfully completed the initial configuration program as described in the "Running the Initial Configuration Program" section.

SAP Connections

This section describes how to connect to the system alarm processor (SAP) ports.

SAP Console Port

You can use the supplied EIA/TIA-232 rollover cable to connect a display device or a modem to the SAP console port. This connection enables configuration of the Cisco ICS 7750 by means of the command-line interface (CLI). There are two ways to make this connection:

Display device—Connect to a PC COM port (using the supplied RJ-45-to-DB-9 adapter) or to a terminal (using the supplied RJ-45-to-DB-25 adapter).
Modem—Connect to a modem (using the supplied RJ-45-to-DB-25 adapter) to enable a dial-up connection (9600 baud, maximum). You can communicate with the Cisco ICS 7750 remotely by using the CLI through a dial-up connection. (For additional information about using a modem with the Cisco ICS 7750, see the "Connecting a Modem" section.)

SAP COM Ports

You can use an Electronic Industries Alliance/Telecommunication Industry Association (EIA/TIA-232) rollover cable to connect the SAP COM ports to enable the system to monitor a UPS, to integrate with an external legacy voice-mail system, or to enable remote access to the Cisco ICS 7700 System Manager software, as follows:

UPS—Using the EIA/TIA-232 cable that came with your APC Smart-UPS and an RJ-45-to-DB-9 adapter, connect the UPS serial port (on the rear of the unit) to the SAP COM1 port. Refer to the Cisco ICS 7750 Troubleshooting Guide for instructions on how to configure the software on the Cisco ICS 7750 to support UPS monitoring.

Tip An alternative UPS configuration is to use the straight-through Ethernet cable that came with your APC Smart-UPS to directly connect the UPS Ethernet port (on the rear of the unit) to an available 10/100 port on an Ethernet switch that is connected to the SSP.

Note If you are using a UPS other than the APC Smart-UPS, you might not be able to monitor its status through the Cisco ICS 7750.

Voice mail—Connect the Simplified Message Desk Interface (SMDI) port on a legacy voice-mail system to the COM1 or COM2 port on the SAP. (On the Octel 250, connect to the appropriate serial port on the CF card, using a DB-25-to-DB-9 connector.)

Note An alternative way to connect to legacy voice mail is to connect an available port on an Ethernet switch that is connected to your Cisco ICS 7750 to an IP telephony-enabled router, such as a Cisco Voice Gateway 200 (VG200), as described in the "Alternative Legacy Voice-Mail Connection" section. This connection makes an SAP COM port available for remote System Manager access or for connecting to a UPS.

Remote System Manager dial-up access—Connect a modem (using the supplied RJ-45-to-DB-25 adapter) to the COM1 port on the SAP to enable remote dial-up access to the Cisco ICS System Manager software. Refer to the "Connecting a Modem" section for instructions on connecting a modem.

Alternative Legacy Voice-Mail Connection

Instead of directly connecting your Cisco ICS 7750 to a legacy voice-mail system, you can connect system Ethernet switches to the legacy voice-mail system. The procedure below explains how to connect to an Octel 250 voice-mail system:

Step 1 Use a 25-pair amphenol cable to connect one of the ports on the FLT-8 card on the Octel 250 to a patch panel.

Step 2 Each of the eight ports on the FLT-8 card supports 25 users. Connect additional ports on the FLT-8 to the patch panel as needed.

Step 3 Connect the patch panel to an IP telephony-enabled router, such as a VG200.

Step 4 Connect the router to an available Ethernet port on a switch that is connected to your Cisco ICS 7750.

Ensure that the Ethernet switch is connected to the SSP on the Cisco ICS 7750, as described in "SSP Connections" section.

Note If using a VG200, note that the VG200 supports 100 users. If you have more than 100 users, repeat Step 3 and Step 4 for an additional VG200.

Connecting Power and Turning On the System

After you have installed the system chassis and connected the subsystem cards as described in "Preparing to Install the Cisco ICS 7750," and you are ready to connect power, follow the procedures in this section.

Figure 3-15 shows a recommended power configuration that uses a UPS to provide backup power to the Cisco ICS 7750 and that uses a Cisco RPS 300 to connect to two Catalyst 3524-PWR XL switches.

Note For information about other power configurations, see the "Power Supply Use Guidelines" section.

Figure 3-15 Recommended Power Configuration with up to Two Catalyst Switches

Connecting Power to the System

Complete the following steps to connect power to the system:

Step 1 Connect one or both of the power supply modules in the Cisco ICS 7750 to an AC power outlet on the UPS.

Tip For high availability when using two power supply modules, plug one power supply module into the UPS, and plug the other power supply module into a dedicated wall outlet, as shown in Figure 3-15.

Step 2 If you are using the Cisco RPS 300 in your system, connect the RPS connector on the first Catalyst switch to any of the DC outlet connectors on the RPS. Repeat this step for each Catalyst switch connected to the Cisco ICS 7750.

Note Each RPS provides redundant power to only one Catalyst switch at a time. If a switch power supply fails and the RPS provides power to the switch, that RPS cannot support any additional failed switches. For absolute redundancy, each switch must have its own RPS.

Step 3 Connect the AC power connector on the first Catalyst switch to any AC power connector on the UPS. Repeat this step for each Catalyst switch connected to the Cisco ICS 7750.

Step 4 If you are using the Cisco RPS 300 as part of your system, make one of the following connections:

Connect the AC power connector on the RPS to any AC power connector on the UPS.
Connect the AC power connector on the RPS to a dedicated wall outlet.

The RPS starts up after Step 4.

Step 5 Use the supplied power cables to connect the power supply modules (one or two) to one of the power sockets on the UPS.

Step 6 Plug the connector on the UPS into a wall outlet at your site.

Powering On the System

Complete the following steps to turn on the system power:

Step 1 Press the UPS power button on the front panel. The UPS turns on.

Step 2 For one or both of the power supply modules installed in your system, press the power supply switch to on ( | ).

Verifying System Installation

After you have connected the chassis to a power source and turned the system on, you can verify that the system is functioning correctly by checking particular LEDs on the processor cards and power supply modules.

To verify that the Cisco ICS 7750 is correctly installed and running, verify that the LEDs are functioning as described in Table 3-3.

Note The ALARM LED on system cards turns yellow during the power-on self-test (POST). If the ALARM LED on any card does not go off at the completion of POST, that card is not functioning correctly. Refer to the "Solving Hardware Problems" chapter in the Cisco ICS 7750 Troubleshooting Guide .

Table 3-3 Verifying Installation with LEDs

Card	LED	Verify the Following:
SAP	STATUS	Blinks green while the card is booting up and running POST. Green after the card boots up, POST is complete, and the card is operating correctly.
SAP	PWR1	Green when the power supply module is operating correctly and supplying power to the system. (If there are two power supply modules installed, check both the PWR1 LED and the PWR2 LED.)
SSP	STATUS	Blinks green while the card is booting up and running POST. Green after the card boots up, POST is complete, and the card is operating correctly.
SSP	1x	Green shows there is Ethernet link integrity on this port. Blinks green when data is being transmitted on this port.
SSP	2x	Green shows there is Ethernet link integrity on this port. Blinks green when data is being transmitted on this port.
MRP, ASI	STATUS	Blinks green while the card is booting up and running POST. Green after the card boots up, POST is complete, and the card is operating correctly.
MRP200, MRP300, MRP3-8FXS, ASI81, MRP3-16FXS,ASI160	SLOT 0	Check this LED on all MRPs that have a WAN interface card (WIC), voice WAN interface card (VWIC), or voice interface card (VIC) installed in slot 0 (or an 8-port FXS card in the MRP3-8FXS or ASI81, or a 16-port FXS card in the MRP3-16FXS or ASI160): Green shows that the WIC, VWIC, or VIC is correctly installed in the slot. Off means that no card is installed in the slot or that a card is incorrectly installed in the slot.
MRP200, MRP300, MRP3-8FXS, ASI81	SLOT 1	Check this LED on all MRPs or ASI81s that have a WIC, VWIC, or VIC installed in slot 1: Green shows that the WIC, VWIC, or VIC is correctly installed in the slot. Off means that no card is installed in the slot or that a card is incorrectly installed in the slot.
SPE310	STATUS	Blinks green when POST is in process or the card is shutting down. Green when POST is complete, card initialization is complete, and the card is operating correctly. Off when the shutdown process is complete (indicates that the card can be removed from the chassis or that power is off for the entire Cisco ICS 7750).
WIC or VIC	Depends on card	Refer to the Cisco Interface Cards Installation Guide to verify the LED activity for the specific cards you installed in your Cisco ICS 7750.

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