The relay card provides potential-free contacts of the UPS. The following contacts can be used: Bypass operation, mains fault (change-over contact), inverter operation, battery low, battery defective, UPS alarm. The relay card is installed in the slot compartment of the UPS. Segment 1 - Pin9 & Pin2 - 240Vac/1A or 30Vdc/1A - Output signal Segment 2 - Pin10 & Pin3 - 240Vac/1A or 30Vdc/1A - Output signal Segment 3 - Pin11 & Pin4 - 240Vac/1A or 30Vdc/1A - Output signal Segment 4 - Pin12 & Pin5 - 240Vac/1A or 30Vdc/1A - Output signal Segment 5 - Pin13 & Pin6 - 240Vdc/1A or 30Vdc/1A - Output signal Segment 6 - Pin8 & Pin1 - NA - Input signal Segment 7 - Pin14 & Pin1 - NA - Input signal Segment 8 - Pin7 & Pin1 - NA - Input signal