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Appendix 2 Communication Port Description
Connection
alarm Signal
failure Signal
Bypass mode signal
battery low Signal
Shutdown Signal
Connection of relays
alarm Signal Relay
failure Signal Relay
Bypass mode Signal Relay
battery low Signal Relay
Shutdown Signal Relay
Relay Contact Capacity
250VAC
2A
Pin . 1/2/3 （ normally open /common
normally close ）
Pin . 4/5/6 （ normally open/common
/normally close ）
Pin . 7/8/9 （ normally open/common
/normally close ）
Pin . 10/11/12 （ normally open/
common / normally close ）
Pin .14/15th Pin （ short circuited
normally , UPS shutdown when open
circuit ）
In normal state, Pin . 2/3 are short
circuited, Pin . 1/2 pins are short
circuited when alarm is activated .
In normal state, Pin . 5/6 are short
circuited, No. 4/5 pins are short
circuited when signal is activated.
In normal state, Pin . 8/9 are short
circuited, Pin .7/8 are short circuited
when signal is activated.
In normal state, Pin . 11/12 are short
circuited_, Pin . 10/11 are short
circuited when signal is activated .
Invalid when pin 14/15 are open
circuit , UPS will shutdown .
or 30VDC
2A
E1-20010329-C-1.0
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