Appendix J; Asm8, Asm8+, And Gasm Wiring Chart - Nortel BCM50 Installation And Maintenance Manual

Appendix J

ASM8, ASM8+, and GASM wiring chart

Analog telephony devices, such as single line telephones, modems and Fax machines, are
connected to the Analog Station Module (ASM) through the RJ-21 connector on the front of the
media bay module (see
Figure 88 ASM RJ-21 connector
Table 49 lists the wiring details for the RJ-21 connector on the ASM.
Table 49 ASM RJ-21 connector wiring (Sheet 1 of 2)
Set Pin
26
1
1
27
2
2
28
3
3
29
4
4
30
5
5
31
6
6
32
7
7
33
8
8
34
—
9
Figure 88).
GASM
RJ-21 connector
Connection Wire color
Tip White-Blue
Ring Blue-White
Tip White-Orange
Ring Orange-White
Tip White-Green
Ring Green-White
Tip White-Brown
Ring Brown-White
Tip White-Slate
Ring Slate-White
Tip Red-Blue
Ring Blue-Red
Tip Red-Orange
Ring Orange-Red
Tip Red-Green
Ring Green-Red
No connection Red-Brown
No connection Brown-Red
Appendix J ASM8, ASM8+, and GASM wiring chart
Default DN on
Expansion port 1
237
238
239
240
241
242
243
244
—
BCM50 Installation and Maintenance Guide
RJ-21 pin out
Default DN on
Expansion port 2
269
270
271
272
273
274
275
276
—
227