Protocol Acutime 2000 ConnectorDC Power(+8 to +36 Volts DC)Red +8 to 36 V Pin 1
Port B: RS-422 / Receive Violet TSIP RS422 Pin 2
Port B: RS-422 / Receive + Orange TSIP RS422 Pin 3
Port B: RS-422 / Transmit - Brown TSIP RS422 Pin 4
Port B: RS-422 / Transmit+Yellow TSIP RS422 Pin 5
Port A: RS-422 / Receive - White Event Input / RTCM RS422 Pin 6
Port A: RS-422 / Receive + Gray Event Input/ RTCM RS422 Pin 7
Port A: RS-422 / Transmit - Green NMEA / TSIP RS422 Pin 8
DC Ground Black Ground Pin 9
Port A: RS-422 / Transmit+ Blue NMEA / TSIP RS422 Pin 10
One PPS: Transmit + Orange w/Whitestripe RS422 Pin 11
One PPS: Transmit - Black w/Whitestripe RS422 Pin 12