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Page 52 - Port Pinouts Technical Data
ISDN Port – PRI (RJ45)
Pin No. Description Signal Direction
1 Receive Data (Rx-A)
Í
2 Receive Data (Rx-B)
Í
4 Transmit Data (Tx-A)
Î
Pin 1
Pin 8
5 Transmit Data (Tx-B)
Î
LAN Port – 10/100 BaseT
For IP Office 403/406 the information below refers to LAN ports 1 – 7. Port 8 is switchable in software
(exchanges Tx and Rx signals).
For IP412 and WAN3, both ports have the Rx and Tx connections exchanged.
Pin No. Description Signal Direction
1 Receive Data (Rx-A)
Í
2 Receive Data (Rx-B)
Í
3 Transmit Data (Tx-A)
Î
Pin 1
Pin 8
6 Transmit Data (Tx-B)
Î
DTE Port (25 Way or 9 Way D-Type socket)
Pin 25
Pin 1
Pin 9
Pin 1
Pin No (25 Way). Pin No (9 Way). Description Signal Direction
2 3 Receive Data (Rx)
Í
3 2 Transmit Data (Tx)
Î
4 7 Request to Send (RTS)
Í
5 8 Clear to Send (CTS)
Î
6 6 Data Set Ready (DSR)
Î
7 5 Signal Ground
8 1 Data Carrier Detect (DCD)
Î
20 4 Data Terminal Ready (DTR)
Í
22 9 Ring Indicator (RI)
Î
Page 52 - Technical Data IP Office Installation Manual
Port Pinouts 40DHB0002USCL – Issue 7 (09/25/2002)