Mike's PBX Cookbook

G4x16 Module Wiring

G4x16 Media Bay Module Amphenol Wiring

The 4x16 MBM has RJ-11 ports for connecting Analog Trunks, and an RJ-21 amphenol for connecting the Digital Stations.
Compatible with the BCM 200/400/450 Main Units, and BCM 50/400/450 Expansion Units.

G4x16 Module

For the Digital Station wiring, refer to ASM/GASM/DSM Media Bay Module Ampenol Wiring, consulting the DSM32 High column(s).

There are 4 line ports for analog trunks, and an auxiliary port next to Line port 1 designated for an emergency (power fail) phone.
The RJ-11 pin outs are standard:

G4x16 Module RJ11

PinSignal
1No Connection
2No Connection
3Ring
4Tip
5No Connection
6No Connection

The following Default Line Number's apply when the module is used with a BCM50 Expansion Unit.


Line PortExpansion Port 1
Default Line Number
Expansion Port 2
Default Line Number
1065095
2066096
3067097
4068098