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Auxiliary Connector Outputs
Issue 1 September 1995
9-13
Table 9-7. Port Board and Telephone Pin Designations
Pin on
Modular
plug
4-wire;
302B, 8403,
8410, 8434,
603E, 9403,
9434
2-wire;
302B, 8403,
8410, 8434,
603E, 9403,
9410, 9434
8510T Basic
Rate Interface
(BRI) (with
adjunct
speaker
phone)
Analog
Station,
Modem NT1
Z3A1 & Z3A2
Asynchronous
Data Units
(ADU), Processor
Data Module
(PDM)
1TXT TX T
2TXR T TXR
3 PXT TX T R PX T
4TPXRT
5RPXTNo
Connection
(4-pin
modular
jack)
R
6PXR TXR PXR
7 -48VDC (-48VDC) (-48VDC) -48VDC
8 GRD GRD GRD GRD
Circuit
Pack
TN754 4-wire
digital
TN2181 2-wire
digital
TN556,
integrated
services
digital
network basic
rate interface
line
TN2183
Analog line
TN2198
2-wire
basic
rate
interface
line TN726 Data Line
PX private branch exchange transmit T Tip (A)
TX Terminal transmit R Ring (B)