External shutdown, Db9 connection, Cnr9 (rs-485) dcman- battery monitoring module – OPTI-UPS DS160KD33 User Manual
Page 70
6-3
6.2. External Shutdown
2 pairs of terminals CNR 16 are provided for external shutdown. 10mA is needed
for turning the internal photo-coupler on. User can use this terminal to shutdown
the UPS when emergent condition happens 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. Generally, RS-485 is for long distance
transmission and RS-232 for short distance within 10 meters. The followings are
only some connection examples of optional modules. The connection could be
changed or re-arranged according to transmission requirement in the field.
CNR21 (RS-232) UPSCOM- Software for PC Monitoring、SNMP Card
CNR9 (RS-485) DCMAN- Battery Monitoring Module
CNR10 (RS-485) UPSCAN- Remote Control Panel
CNR12, 13, 14, 15, 17, 18, 19 (RS-485) UPSCALL- Auto Dialing Module
CNR11 for transferring RS-485 into RS-232