C-10
Preliminary cvMAX-100 Hardware Installation Guide
Cables and Connectors
T1 interface specifications
T1 RJ-48C-Loopback plug
This plug loops the transmit signal back to the cvMAX-100.
T1 WAN ports
Table C-9 lists the pins on RJ-48C sockets on the cvMAX-100 used for T1 WAN interface.
Only pins 1, 2, 4, and 5 are used. The remaining pins are not connected.
Table C-8. RJ-48C-Loopback plug specifications
Pair #
Signal
Male RJ-48C
1
Receive
1 (connects to 5)
2 (connects to 4)
2
Transmit
5 (connects to 1)
4 (connects to 2)
Table C-9. Transmit and Receive pins
cvMAX-100 T1 interface
RJ-48C DTE
Receive (input) pair, Tip (T1)
Receive (input) pair, Ring (R1)
Position 2
Position 1
Transmit (output) pair, Tip (T)
Transmit (output) pair, Ring (R)
Position 5
Position 4