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Chapter 1- Hardware Description
1-20
Replacing the RTM ISDN Board
The RTM ISDN board on the rear of the RMX 2000 provides connectivity
to all the MCU modules. Use the following procedure to replace the RTM
ISDN board:
1 Ensure that power switch to the RMX 2000 is turned OFF (O).
2 Disconnect all PRI lines from the E1/T1 ports.
3 Unscrew the captive screws on the rear panel of the RMX 2000 that
secure the RTM ISDN board.
4 Use the metal ejector levers to pull the RTM ISDN board out of its slot
in the Backplane.
5 Carefully slide the RTM ISDN board out through the rear panel.
6 Slide in the replacement RTM ISDN board.
7 Push the RTM ISDN board firmly into the Backplane, making sure it
is properly seated in its slots.
8 Ensure that the metal ejector levers are fully retracted into their
housings.
9 Tighten the captive screws on the rear panel of the RMX 2000 that
secure the RTM ISDN board.
10 Connect all PRI lines to the E1/T1 ports.
11 Turn ON the RMX 2000.