![Nortel BayStack 450 Switch Installation Manual Download Page 134](http://html.mh-extra.com/html/nortel/baystack-450-switch/baystack-450-switch_installation-manual_1706886134.webp)
134
Wiring charts reference
Nortel Business Communications Manager 450 1.0
Installation — System
NN40160-301 01.04 Standard
July 2009
Copyright © 2006-2009 Nortel Networks
Figure 28 ADID RJ-21 connector
GATM wiring chart
Analog telephone lines connect to the GATM4 or GATM8 through the RJ-21
connector on the front of the media bay module (MBM). To view the GATM
MBM, see
Figure 29 GATM RJ-21 connector (page 134)
.
Figure 29 GATM RJ-21 connector
Table 19 GATM4 RJ-21 connector wiring (page 134)
lists the wiring details for
the RJ-21 connector on the GATM4.
Table 19 GATM4 RJ-21 connector wiring
Line
Pin
Connection
Wire color
1
26
Tip
White-Blue
1
Ring
Blue-White
2
27
Tip
White-Orange
2
Ring
Orange-White
—
28
No connection White-Green
3
No connection Green-White
RJ-21 pin out
RJ-21 connector
ADID
RJ-21 pin out
RJ-21 connector
GATM
Summary of Contents for BayStack 450 Switch
Page 141: ......