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Primary Rate Interface (PRI) Installation
Aspire ISDN PRI Manual
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7
Connector Pin-Outs on T1/PRI PCB
RJ45 Cable Connector - CN3
S-Bus Connection
Pin No. Connection
1TA
2TB
3-
4RA
5RB
6-
7-
8-
RJ45 Cable Connector - CN3
T-Bus Connection
Pin No. Connection
1RA
2RB
3-
4TA
5TB
6-
7-
8-
Network Interface Pinout for
the 8-Pin RJ48C Connector
Terminal Interface Pinout for
the 8-Pin RJ48C Connector
Pin No. Connection
For connection to T1
network: Use AT&T
Type ABAM cable or
equivalent (individu-
ally-shielded twisted
pair, rated at 100 ohms
at 1 MHz).
Pin No. Connection
1 RxD (R1) 1 RxD (R)
2 RxD (T1) 2 RxD (T)
4 TxD (R) 4 TxD (R1)
5 TxD (T) 5 TxD (T1)
3, 6 No Connection 3, 6 No Connection
7, 8 No Connection 7, 8 No Connection
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