Gasboy 1000 Series FMS Operation Manual - Manual (Page 22)

GASBOY Series 1000
3-2 05/29/03
COMMUNICATION TERMINATIONS
The wiring terminations for the various communication options are indicated below:
System
TB
Signal System I/O Notes
RS-232
1 TXD output Transmitted data out of system
2 DTR output Data terminal ready out of system
3 RXD input Received data into system
4 DCD input Data carrier detect into system
5 GND ground Signal ground reference
RS-422
1 TX+ output Transmitted data out of system
2 TX- output
3 RX+ input Received data into system
4 RX- input
5
N/A --
Pinout of GASBOY Short Haul Modem RS-232 Connector
Pin Signal SHM I/O Notes
2
TXD input Transmitted data into modem
3
RXD output Received data out of modem
7
GND ground Signal ground reference
8 DCD output Data carrier detect out of SHM
20 DTR input Data terminal ready into SHM
NOTE: Pins 5 and 6 are tied to Pin 8 internally.
TB=Terminal block PIN=PIN connection on RS-232 connector I/O=input/output