Mike's PBX Cookbook

BCM-50 Station Module Wiring

ASM8(+)/GASM/DSM(+) Media Bay Module Amphenol Wiring

Use the table below if connecting extensions (stations) to a DSM Media Bay Module.
Note: The ASM8/8+ and GASM MBM's support 8 analog stations.

Station Modules are compatible with the BCM 200/400/450 Main Units, and BCM 50/400/450 Expansion Units.
The Default DN's shown below apply when the modules are used with a BCM50 Expansion Unit.

Amphenol / IDF Expansion Unit 1: Default DN'sExpansion Unit 2: Default DN's
Pair Pin Wires Colour ASM8/GASM/
DSM16
DSM 32 Low
DSM 32 High ASM8/GASM/
DSM16
DSM 32 Low
DSM 32 High
ASM8/GASM/DSM
126/1 White/Blue237253269285
227/2 White/Orange238254270286
328/3 White/Green239255271287
429/4 White/Brown240256272288
530/5 White/Slate241257273289
631/6 Red/Blue242258274290
732/7 Red/Orange243259275291
833/8 Red/Green244260276292
DSM Only
934/9 Red/Brown245261277293
1035/10 Red/Slate246262278294
1136/11 Black/Blue247263279295
1237/12 Black/Orange248264280296
1338/13 Black/Green249265281297
1439/14 Black/Brown250266282298
1540/15 Black/Slate251267283299
1641/16 Yellow/Blue252268284200
17-25 No Connection