Cisco 1603R User Manual page 78

Cable Pinouts
Table C-5
1
8 Pin
1
2
7
8
1 Pins 3, 4, 5, and 6 are not
used.
Table C-6
1
8 Pin
3
4
5
6
1 Pins 1, 2, 7, and 8 are not used.
2 TE refers to terminal terminating layer 1 aspects of TE1, TA, and NT
functional groups. This applies to the Cisco 1603 and the ISDN BRI
S/T WAN interface card.
3 NT refers to network terminating layer 1 aspects of NT1 and NT2
functional groups. This applies to the Cisco 1604 ISDN S/T port.
Table C-7
1
8 Pin
3
4
5
6
1 Pins 1, 2, 7, and 8 are not used.
C-6 Cisco 1600 Series Router Hardware Installation Guide
56-kbps DSU/CSU (RJ-48S) Pinouts
Description
Transmit
Transmit
Receive
Receive
ISDN BRI S/T Port Pinouts (RJ-45)
2 3
TE NT
Transmit Receive
Receive Transmit
Receive Transmit
Transmit Receive
ISDN BRI U Port Pinouts (RJ-45)
Function
No connection
Signal—Tip or Ring
Signal—Tip or Ring
No connection
Polarity
+
+
–
–