Troubleshooting guide

Table Of Contents
257
Hardware Reference
Table 35: RS-232 Maintenance Connector
RJ-45 Connector Pin Signal Name
1 DCD (data carrier detector)
2 RXD (receive data)
3 TXD (transmit data)
4 DTR (data terminal ready)
5 GND (ground)
6 DSR (data set ready)
7 RTS (ready to send)
8 CTS (clear to send)
9 Not used
Table 36: T1 and E1 Connector Pin Allocation
RJ-45 Connector
Pin
Signal Name
NT Mode: Switch-6 UP LT Mode: Switch-6 DOWN
1 RX Ring TX Ring
2 RX Tip TX Tip
3 Unused Unused
4 TX Ring RX Ring
5 TX Tip RX Tip
6 Unused Unused
7
Unused Unused
8
Unused Unused