Avaya BCM50 Installation Manual Page 209

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Appendix A RJ-21 telephony connector wiring chart 209
BCM50 Installation and Maintenance Guide
Appendix A
RJ-21 telephony connector wiring chart
You can connect 4 analog telephone lines (standard main units only), 4 analog telephony devices,
and 12 digital telephones to the RJ-21 telephony connector.
The figure RJ-21 telephony connector on a BCM50 on page 209 shows the RJ-21 telephony
connector on a BCM50.
Figure 87 RJ-21 telephony connector on a BCM50
The table RJ-21 telephony connector wiring on page 209 lists the wiring details for the RJ-21
telephony connector.
Note: The four analog lines on the RJ-21 telephony connector are available only on the
standard main units. The four analog lines are not available on the BRI series (b-series)
main units, which have two BRI ports instead.
Table 33 RJ-21 telephony connector wiring (Sheet 1 of 3)
Device Pin Connection Wire color Type of device Port Default DN
Default line
number
1
26 Tip White-Blue
Analog line 061
1 Ring Blue-White
2
27 Tip White-Orange
Analog line 062
2 Ring Orange-White
3
28 Tip White-Green
Analog line 063
3 Ring Green-White
4
29 Tip White-Brown
Analog line 064
4 Ring Brown-White
Note: The four analog lines are available only on the standard main units; the analog lines are not available on the
BRI series (b-series) main units, which have two BRI ports instead.
Main Unit
RJ-21 telephony connector
RJ-21 telephony
connector pin out
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