Serial Communication (Rs232) - LEGRAND KEOR T Installation 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 connec-
tion 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 (Vin, Fin, Vmax vb.)
• Output Data (Vout, Load Percantge...etc.)
• Battery Situation (Vbatt...etc)
40
Communication Cable Path
RS232 Pin Layout
PIN# Signal Name
2
3
5 GND
Table.9
Figure. 8-2
Signal Description
RX Receive Data
TX Transmit Data
Signal Ground