Honeywell ControlEdge 900 platform Hardware Planning And Installation Manual page 86

Figure
Male DB9
86
Pin Definition
1 DCD
2 RX
3 TX
4 DTR
5 GND_ISO1
6 DSR
7 RTS
8 CTS
9 RI
Application cable:
RS232 port connect to Male DB9 connector:
n
As below figure shows, cable require Female-Female cross
connection:
RS232 port connect to Female DB9 connector:
n
As below figure shows, cable require Female-Male direct
connection:
Type Description
Input Date carrier detect
Input Receive data
Output Transimit data
Input Data terminal ready
Input Isolated ground
Input Data set ready
Output Request to send
Input Clear to send
Input Ring Input