Instruction Manual
53
RS-232 communication port pin assignments
Pin
Signal name Function
D
irection from
the UPS
1 Unused Not applicable
2 Tx Transmit to external device Out
3 Rx Receive from external device
In
4 Unused Not applicable
5 GND Signal common Not applicable
6 Unused Not applicable
7 Unused Not applicable
8 Unused Not applicable
9 Unused Not applicable
9.4 Intelligent slot
This series is equipped with an intelligent slot for other optional card to
achieve remote management of the UPS through internet / intranet.
Please contact your local distributor for further information.