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Technical Data Cables - Page 77
IP Office Installation Manual Technical Data - Page 77
40DHB0002USCL – Issue 9 (28th October 2003) Cables
Telephone Converter Cables
The following diagrams show the pin-outs of various Structured Cabling Telephone
Converters. The first two telephone converters shown provide the required conversion
allowing correct operation of the attached telephone.
Each telephone port on the Phone modules acts as a Master socket, thus only Slave
Telephone Converters are required.
RJ45 - Compatible Converter
Telephone
Converter Cable
Structured Wiring/
Unity Phone
BT New Plan
Socket
RJ11
Plug
RJ45
socket
Latch
1
7
6 Bell
5 B
4 A (Bell return)
3
2
2
3
4
5
6
7
6
5
4
3
2
1
RJ11/45 Adapter
RJ45 or RJ11 plug BT Newplan Sock
e
RJ11 Pin
Number
RJ45 Pin
Number
BT Newplan Socket Pin
Number
3 4 3
4 5 4
Other connections are not relevant.
BT Newplan socket connections may be reversed as polarity is not important.
This adapter may be used with DT telephones fitted with BT Newplan plugs.