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