Gasboy CFN Series Diagnostic Manual - Manual (Page 397)

CFN Islander
12/26/02 13-29
Connectors
P1 Local port (or port 1 on Islander II) Interface
Pinout Pin Function Input/Output
3 TxD – Transmit data Output to SC CPU
4 RxC – Receive clock, synchronous Not used
5 RxD – Receive data Input from SC CPU
7 RTS – Request to send Output to SC CPU
8 TxC – Transmit clock, synchronous Not used
9 CTS – Clear to send Input from SC CPU
11 DTR – Data terminal ready Input from SC CPU
13 Signal ground Ground
14 CD – Carrier Detect Output to SC CPU
15 DSR – Data set ready Output to SC CPU
1,2,6,10,
12,16-20 Not connected Not connected
P2 Remote port (or port 3 on Islander II) Interface
Pinout Pin Function Input/Output
3 RxD – Receive data Input from SC CPU
4 TxC – Transmit clock, synchronous Not used
5 TxD – Transmit data Output to SC CPU
7 CTS – Clear to send Input from SC CPU
8 RxC – Receive clock, synchronous Not used
9 RTS – Request to send Output to SC CPU
11 DSR – Data set ready Output to SC CPU
13 Signal ground Ground
14 DTR – Data terminal ready Input from SC CPU
15 CD – Carrier Detect Output to SC CPU
1,2,6,10,
12,16-20 Not connected Not connected
P3 Local port (or port1) & P4 Remote port (or port 3) RS-232 Connections
Pinout Pin Function Input/Output
1 TxD – Transmit data Output
2 DTR – Data terminal ready Output
3 RxD – Receive data Input
4 CTS – Clear to send Input
5 Signal ground Ground
6 RTS – Request to send Output
7 CD – Carrier Detect Input
8 DSR – Data set ready Input
9 TxC – Transmit clock, synchronous Not used
10 RxC – Receive clock, synchronous Not used