Liebert GXT2 User Manual download pdf (Page 38)

38 Appendix 2 Communication Port Description

E1-20010329-C-1.0

Connection

alarm Signal

Pin . 1/2/3

（

normally open /common

normally close

）

failure Signal

Pin . 4/5/6

（normally open/common

/normally close

）

Bypass mode signal

Pin . 7/8/9

（normally open/common

/normally close

）

battery low Signal

Pin . 10/11/12

（normally open/

common / normally close

）

Shutdown Signal

Pin .14/15th Pin

（short circuited

normally , UPS shutdown when open

circuit

）

Connection of relays

alarm Signal Relay In normal state, Pin . 2/3 are short

circuited, Pin . 1/2 pins are short

circuited when alarm is activated .

failure Signal Relay In normal state, Pin . 5/6 are short

circuited, No. 4/5 pins are short

circuited when signal is activated.

Bypass mode Signal Relay In normal state, Pin . 8/9 are short

circuited, Pin .7/8 are short circuited

when signal is activated.

battery low Signal Relay In normal state, Pin . 11/12 are short

circuited_, Pin . 10/11 are short

circuited when signal is activated .

Shutdown Signal Relay Invalid when pin 14/15 are open

circuit , UPS will shutdown .

Relay Contact Capacity

250VAC 2A or 30VDC 2A

1 2 ... 33 34 35 36 37 38 39 40 41 42

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Liebert GXT2 User Manual Page 38

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