Install and Wire Telephones
Task List: Connect Voice and Data Terminals
SI Installation and Upgrades
505
June 2004
Figure 194: 2500-Type Analog Telephone Wiring
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Figure notes
1
2500-Type Analog Station
2
TN2183 Analog Line Circuit Pack, Position 1C01
2500wire RBP 071996
3
28
03
2
T
R
T.3
R.3
Table 20: 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
Asynchron
ous 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 transmit
T
Tip
(A)
TX
Terminal transmitR
Ring (B)