Serial Communication (Rs232) - LEGRAND Keor T Series Operating Manual

6.1.

Serial Communication (RS232)

UPS is equipped with Serial Communication as standard.
RS232 cable shall be shielded and shorter than 25m.
RS232:
DSUB-9 male connector with the following pin
layout shall be used on the UPS side of the connection
cable.
The communication solutions listed below
can be used with this port:
• Monitoring Software (Optional)
• External SNMP Adapter (Optional)
Via SNMP; the information listed below can
be monitored;
• The Latest Battery Test Date
• UPS Information (example: 220V - 50Hz)
• Input Data (V
• Output Data (V
• Battery Situation (V
Over SNMP communication, battery test can be started or current test can be cancelled. UPS can be
shut-down or stand-by (stand-by duration is adjustable). Alarms can be discarded.
26
, F , V etc.)
in in max
, Load Percantge...etc.)
out
...etc)
batt
If Serial Communication cable is needed, it can be produced according
to the pin configuration described at side.
RS232 Pin Layout
PIN# Signal Name
2 RX
3 TX
5 GND
Signal Description
Receive Data
Transmit Data
Signal Ground
Table.3