7.3.5 DUMB Modem –UPS Connection Cable
The connection cable between dumb modem and UPS is as followed:
UPS
DB9 female
MODEM
DB25 male
6 3
7 7
9 2
7.4 Dry Contact (Interface) Connection
Some important events can be monitored by this connection for each event a relay is located on interface
board and NC-C-NO contacts are connected terminals .
these events are:
• LINE FAILURE
•
BATTERY LOW
• LOAD ON BYPASS
•
BATTERY CB input
• BATTERY CB output
•
EMERGENCY STOP input
7.5 Remote Monitoring Panel
Remote mýnitoring panel can be used from 400 meters away from UPS. Up to 25 meters there is no need
extra hardware RS232 communication is okay. But if distance is longer than 25 meters extra RS485
hardware is needed.
Up to 5 remote monitoring panel can be used in system.
CN3
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