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Installation and Upgrade Guide for Cisco Unified Videoconferencing 3545 PRI Gateway and 3545 Serial Gateway Release 5.6
OL-17011-01
Chapter 2 Installing the Cisco Unified Videoconferencing 3545 Gateway
How to Install the Gateway
Before working on a system that has an on/off switch, turn OFF the power and unplug the power cord.
Before opening the chassis, disconnect the telephone network cables to avoid contact with telephone network
voltages.
To avoid electric shock, do not connect safety extra-low voltage (SELV) circuits to telephone-network voltage (TNV)
circuits. LAN ports contain SELV circuits, and WAN ports contain TNV circuits. Some LAN and WAN ports both use
RJ-45 connectors. Use caution when connecting cables.
The telecommunications lines must be disconnected 1) before unplugging the main power connector and/or 2) while
the housing is open.
Installing the RTM Module
This section describes how to install the RTM module in the Cisco Unified
Videoconferencing 3545 chassis. The Rear Transition Module (RTM) provides the ISDN or serial line
connections for the gateway.
Before You Begin
Warning
You must install the RTM module before you install the gateway module. Inserting an RTM module in
the rear of the chassis when a gateway module is already installed in the same position at the front
of the chassis may damage the chassis.
Procedure
Step 1 On the back of the chassis, loosen the screws of the blank panel covering the slot into which the RTM
module is to be installed.
Step 2 Remove the blank panel.
Step 3 Remove the new RTM from the antistatic bag.
Step 4 Press the red buttons and open the handles of the RTM module.
Step 5 Align the edges of the RTM module with the chassis guide rails.
Step 6 Slide the RTM module into the chassis until it stops (see Figure 2-5).
Figure 2-5 Inserting the RTM Module in the Cisco Unified Videoconferencing 3545 Chassis
Step 7
Use even pressure to push the module further into the slot.
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