... cards, they are Dry output, TTL output, 485/422 output, serial output, IRIG-B AC output, DCF77 output, Ethernet output :Pulse ... and 422/485 output),AC outputDCF77 output:Dry outputSerial output:RS232 and RS422/485.Ethernet outputMaster/Slave: As master, you should ... other required cardCards: Dry Contact Output Card:Max. 12 nos.Serial Port Output Card:Max 4. Each one can be set ...