Cisco 1003 User Manual page 45

BRI Port and Cable Pinouts
BRI Port (RJ-45) Pinouts for the Cisco 1003
Router
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 NT2 functional groups.
3. NT refers to network terminating layer 1 aspects of NT1
and NT2 functional groups.
BRI Cable (RJ-45-to-RJ-45)
Pinouts for the Cisco 1004 Router
1
NT
RJ-45
2
8 Pin
4
5
1. NT refers to the network terminating layer 1
aspects of NT1 and NT2 functional groups.
2. Pins 1, 2, 3, 6, 7, and 8 are not used.
3. LT refers to the line termination point (i.e., at
the wall jack).
2 3
TE NT
Transmit Receive
Receive Transmit
Receive Transmit
Transmit Receive
3
LT
RJ-45
Wire 8 Pin
Tip 4
Ring 5
Polarity
+
+
–
–
Cisco 1003 and Cisco 1004 User Guide 45
Pinouts