118
Installing the S8700 IP Connect
May 2002
Three-Pair and Four-Pair Modularity
‘‘3-Pair and 4-Pair Modularity’’ on page 119
is from the port circuit pack to the voice or data
terminal.
Most terminals connect to an information outlet (modular jack) installed at the work location.
Make the connections from the port circuit pack to the modular jacks, as shown in ‘‘3-Pair and
4-Pair Modularity’’ on page 119. Then, plug the terminal into the modular jack.
‘‘Adjunct Power Connection Locations’’ on page 119
shows three methods of connecting
adjunct power.
5RPXTNo
Connection
4-pin
modular
jack
R
6 PXR TXR
7 -48VDC (-48VDC) (-48VDC) -48VDC
8 GRD GRD GRD GRD
Circuit
Pack
TN754
4-wire
digital (8
port)
TN2181
2-wire digital
(16 port)
TN2224
2-wire digital
(24 port)
TN556
ISDN-BRI
Line
TN2183
Analog line
(16 port)
TN2198
2-wire BRI
line
PX PBX transmitT Tip (A)
TX Terminal transmitRRing(B)
Port Circuit Pack and Telephone Pin Designations — Continued
Pin on
Modular
Plug
4-wire:
8400-Series,
606A1
2-wire: 302D,
8400-Series,
603E
8510T BRI
(with
adjunct
speaker
phone)
Analog
Station,
Modem NT1
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