Mike's PBX Cookbook

MRV to CS1K MGU Pinout

Use the following pinout for serial communications between an MRV and MG1010 MGU serial ports. This configuration works for either CPDC, CPPM, or MGC cards (slots 22, 23, and 0).

MGU TTY
12345678
white/orange orange/white white/green blue/white white/blue green/white white/brown brown/white
MRV Port
12345678
brown/white orange/white white/blue blue/white white/orange green/white white/green white/brown
RJ45 plug

The MGU TTY end is standard 568B. The MRV Port end is custom.

ADAN TTY TYPE: MGC, ports 0, 1, 2

On the MRV LX, use the following settings:

  1. Flow Control to "None"
  2. Banner to "None"
  3. Disable "AutoHangup"
  4. Change Prompt to empty string