User's Manual
N72GNSSReferenceReceiverUserGuidePage61
C. COMMUNICATIONPORTSDEFINITION
C.I. CHCN72RECEIVERCOM1(10‐PINLEMOPORT)
DEFINITION
PIN SignalName Description
1 RXD RS232‐RX(pass‐throughtothemainboardthroughthispin)
2 TXD RS232‐TX(pass‐throughtothemainboardthroughthispin)
3 PWR ExternalPowerInput(positivepole)
4 PWR ExternalPowerInput(positivepole)
5 PWR,GND ExternalPowerInput(negativepole),ExternalPowerGround
6 PWR,GND ExternalPowerInput(negativepole),ExternalPowerGround
7 Signal PPS
signaloutput
8 NotUsed
9 NotUsed
10 Signal EVENTsignalinput
C.II. CHCN72RECEIVERCOM2(10‐PINLEMOPORT)
DEFINITION
PIN SignalName Description
1 RXD RS232‐RX(receivedatathroughthispin)
2 TXD RS232‐TX(transmitdatathroughthispin)
3 PWR ExternalPowerInput(positivepole)
4 PWR ExternalPowerInput(positivepole)
5 PWR,GND ExternalPowerInput(negativepole),ExternalPowerGround