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7.5 Port connectors
A computer can be connected to the port connectors RS232 interface
on the back panel of the UPS system.This allows
•
the UPS system to be monitored,
•
the mains system to be monitored,
•
data to be backed up,
•
the computer to be switched off and
•
the UPS system to be switched off.
There are various software packages for implementing these
functions. Please consult your dealer for further details.
7.5.1 RS232 interface
The 9-pin Sub-D connector (socket) makes an RS232 interface
available.
Description of the PIN assignment:
Pin
2
RXD
received data
3
TXD
transmitted data
5
GND
ground
7.5.2 Relay interface (Option)
The 9-pin Sub-D connector (socket) makes a relay interface available.