G4x16 and g8x16 wiring charts, Appendix k g4x16 and g8x16 wiring charts, Appendix k – Nortel Networks BCM50 User Manual
Page 229
Appendix K G4x16 and G8x16 wiring charts
229
Installation and Maintenance Guide
Appendix K
G4x16 and G8x16 wiring charts
You can connect 4 or 8 analog telephone lines and up to 16 digital telephones to the G4x16 or
G8x16 media bay module (MBM).
The analog telephones lines connect to the G4x16 or G8x16 through the lower RJ-21 (amphenol)
connector on the front of the MBM. See the figure
The digital telephones, such as the Business Series Telephones, connect to the upper RJ-21
(amphenol) connector on the front of the G4x16 or G8x16 MBM.
Figure 97 G4x16/G8x16 connectors
The table
G4x16/G8x16 MBM upper RJ-21 (amphenol) connector wiring for digital telephones
on
page 229 lists the wiring details for the upper RJ-21 (amphenol) connector, and the table
and G8x16 lower RJ-21 (amphenol) connector wiring for analog PSTN lines
wiring details for the lower RJ-21 (amphenol) connector on the G4x16 and G8x16 MBMs.
Table 51 G4x16/G8x16 MBM upper RJ-21 (amphenol) connector wiring for digital telephones
(Sheet 1 of 2)
Set
Pin
Connection
Wire color
Default DN on
Expansion port 1
Default DN on
Expansion port 2
1
26
Tip
White-Blue
253
285
1
Ring
Blue-White
2
27
Tip
White-Orange
254
286
2
Ring
Orange-White
RJ-21 pin out
RJ-21 (amphenol)
connector for 16
digital telephones
RJ-21 (amphenol)
connector for 4 or 8
analog PSTN lines