Telephony Connector Wiring Chart; Figure 78 Telephony Connector On A Bcm50; Table 24 Telephony Connector Wiring - Nortel BCM50 Installation And Maintenance Manual

Appendix A

Telephony connector wiring chart

You can connect four analog telephone lines, four analog telephony devices, and 12 digital
telephones to the telephony connector.
Figure 78 shows the telephony connector on a BCM50.

Figure 78 Telephony connector on a BCM50

Table 24 lists the the wiring details for the telephony connector.
Table 24 Telephony connector wiring (Sheet 1 of 2)
Device Pin Connection
26 Tip
1
1 Ring
27 Tip
2
2 Ring
28 Tip
3
3 Ring
29 Tip
4
4 Ring
30 Tip
5
5 Ring
31 Tip
6
6 Ring
32 Tip
7
7 Ring
33 Tip
8
8 Ring
Main Unit
Telephony connector
Wire color
White-Blue
Blue-White
White-Orange
Orange-White
White-Green
Green-White
White-Brown
Brown-White
White-Slate
Slate-White
Red-Blue
Blue-Red
Red-Orange
Orange-Red
Red-Green
Green-Red
Type of device
Analog line
Analog line
Analog line
Analog line
Analog telephone
Analog telephone
Analog telephone
Analog telephone
Telephony connector wiring chart
Telephony connector
pin out
Default line
Default DN number
— 071
— 072
— 073
— 074
213
214
215
216
223
—
—
—
—