User Manual
45
Appendix A. Connections
A.1 Ethernet pin outs
The UPSLink uses the standard Ethernet connector that is shielded connector compliant with
AT&T258 specifications. Table 0-1 shows the pin assignment and wire color.
Figure 0-1 Pin layout of the RJ45 connector
Pin Description Color
1 Tx+ White with orange
2 Tx- Orange
3 Rx+ White with green
4 NC Blue
5 NC White with blue
6 Rx- Green
7 NC White with brown
8 NC Brown
Table 0-1 Pin assignment of the RJ45 connector for Ethernet
A.2 Serial port pin outs
Table 0-2 shows the pin assignment of the DB-9 connector of the UPSLink. Each pin has a function
according to the serial communication type configuration.
6 7 8 9
1 2 3 4 5
Figure 0-2 Pin layout of the DB-9 connector
Pin RS232
1 -
2 Rx
3 Tx
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 -
Table 0-2 Pin assignment of the DB-9 connector