Install and Wire Telephones
Auxiliary Connector Outputs
SI Installation and Upgrades
513
June 2004
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Table 22: Port Circuit Pack and Telephone Pin Designations
Pin on
Modular
Plug
4-wire;
302C1,
8400-
Series,
603E,
9403,
9434
2-wire;
302C1,
8400-
Series,
603E, 9403,
9410, 9434
8510T
Basic
Rate
Interface
(BRI)
(with
adjunct
speaker
phone)
Analog
Station,
Modem
NT1
Z3A1 & Z3A2
Asynchronous
Data Units
(ADU), Data
Module
1
TXT
TXT
2
TXR
T
TXR
3
PXT
TXT
R
PXT
4
T
PXR
T
5
R
PXT
No
Connection
4-pin
modular
jack
R
6
PXR
TXR
PXR
7
-48VDC
(-48VDC)
(-48VDC)
-48VDC
8
GRD
GRD
GRD
GRD
Circuit
Pack
TN754C 4-
wire digital
(8 port)
TN2181 2-
wire digital
(16 port)
TN2224CP
2-wire digital
(24 port)
TN556D
ISDN-BRI
Line
TN2183
Analog line
(16 port)
TN2198 2-
wire Basic
Rate
Interface
line
TN726B Data
Line
PX
PBX transmitT
Tip (A)
TX
Terminal transmitRRing(B)