Mike's PBX Cookbook

Module Wiring Charts

Media Bay Modules are compatible with the BCM 200/400 Main Unit, BCM 400 Expansion Unit, BCM 450 Main Unit, BCM 450 Expansion Unit and BCM 50 Expansion Unit. They use a standard 25-pair cable with a female amphenol (RJ-21) at the module end.

DSM wiring chart

Digital Station Module

dsm_wire.jpg (16077 bytes)

(1) - Single connector on DSM 16 modules, or   
      bottom connector on DSM 32/32+ modules.

(2) - Upper connector on DSM 32/32+ modules.

Pin Colour Wire colour Port Set # (1) Set # (2)
26
1
White-Blue
Blue-White
X01
1 17
27
2
White-Orange
Orange-White
X02 2 18
28
3
White-Green
Green-White
X03 3 19
29
4
White-Brown
Brown-White
X04 4 20
30
5
White-Slate
Slate-White
X05 5 21
31
6
Red-Blue
Blue-Red
X06 6 22
32
7
Red-Orange
Orange-Red
X07 7 23
33
8
Red-Green
Green-Red
X08 8 24
34
9
Red-Brown
Brown-Red
X09 9 25
35
10
Red-Slate
Slate-Red
X10 10 26
36
11
Black-Blue
Blue-Black
X11 11 27
37
12
Black-Orange
Orange-Black
X12 12 28
38
13
Black-Green
Green-Black
X13 13 29
39
14
Black-Brown
Brown-Black
X14 14 30
40
15
Black-Slate
Slate-Black
X15 15 31
41
16
Yellow-Blue
Blue-Yellow
X16 16 32
42-40
17-25
no connections

ASM wiring chart

Analog Station Module

asm_wire.jpg (7001 bytes)
Pin Colour Wire colour Port Set #
26
1
White-Blue
Blue-White
X01
1
27
2
White-Orange
Orange-White
X02 2
28
3
White-Green
Green-White
X03 3
29
4
White-Brown
Brown-White
X04 4
30
5
White-Slate
Slate-White
X05 5
31
6
Red-Blue
Blue-Red
X06 6
32
7
Red-Orange
Orange-Red
X07 7
33
8
Red-Green
Green-Red
X08 8
34-40
9-25
no connections

GATM wiring chart

Analog Trunk Module

atm_wire.jpg (18041 bytes)

AUX connects to L1 during a power fail.

Line Pin Colour Wire colour Module
1
26
1
White-Blue
Blue-White
Both
2 27
2
White-Orange
Orange-White
Both
  28-3
29-4
2 pairs - no connection
3 30
5
White-Slate
Slate-White
Both
4 31
6
Red-Blue
Blue-Red
Both
  32-7
33-8
2 pairs - no connection
5 34
9
Red-Brown
Brown-Red
GATM8
6 35
10
Red-Slate
Slate-Red
GATM8
  36-11
37-12
2 pairs - no connection
7 38
13
Black-Green
Green-Black
GATM8
8 39
14
Black-Brown
Brown-Black
GATM8
  40-15
49-24
10 pairs - no connection
AUX 50
25
Violet-Slate
Slate-Violet
Both