The relay card can provide four channels of relay digital signal output to the remote site. They are UPS on Battery, Battery Low, UPS on Bypass or in Standby, UPS Faulty. Each dry contact signal output channel provides both normally open and normally closed ports. The relay card can also receive three channels of digital signal input, two of which control the UPS turn-on and turn-off respectively, the third is reserved.

(UF-DRY410)

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