OnLine Power Battery Backup System - Manual (Page 62)

OLP
Three Phase UPS Systems
6.0 INTERFACE
CONNECTIONS
6-4
6.2. External Shutdown
Two pairs of terminals CNR 16 are provided for external shutdown. 1 0mA is
needed for turning on the internal photo-coupler. The user can use this terminal to
shutdown the UPS when emergency conditions occur, such as fire, short circuit
etc.
6.3. DB9 Connection
Four RS-485 and one RS-232 are provided to communicate with more
sophisticated (option) modules. Each connector is especially dedicated to one
type of external module. The following are some connection examples of optional
modules.
CNR21 (RS-232)
Ù
UPSCOM- Software for PC Monitoring
、
SNMP Card
CNR9 (RS-485)
Ù
DCMAN- Battery Monitoring Module
CNR10 (RS-485)
Ù
UPSCAN- Remote Control Panel
CNR12,13,14,15,17,18,19 (RS-485)
Ù
UPSCALL- Auto Dialing Module
CNR11
Ù
for transferring RS-485 into RS-232