... TTL output, 485/422 output, serial output, IRIG-B AC output, DCF77 output, Ethernet output :Pulse output ... should have the following cards:Power Card,Signal In Card (Antenna Card), Alarm CardSome any required cards ... following cards:Power Card,Alarm Card,IRIG-B In Card IIRIG-B In Card II (as backup)Any other required ... output can be Pulse output or IRIG-B DC outputIRIG-B AC Output Card:Max 12 nos.Dry ...