Omega Vehicle Security OMP-MODL - Manual (Page 291)

11.. . A PPENDIX I: RS-232 C ABLE , P ORT AND A DAPTER
U SING THE OMP-MODL 11-129
A
PPENDIX
I: RS-232 C
ABLE
, P
ORT
, A
DAPTER
PIN Description
1 +5VDC (current limited source from OMP-MODL)
2 Ground
3 Transmit (OMP-MODL output)
4 Receive (OMP-MODL input)
5 Not Used
6 DTR ( OMP-MODL input; computer asserts HI to
wake up the OMP-MODL serial port)
2
3
4
5
7
20
TXD
RXD
RTS
CTS
GND
DTR
DB-25 Female
to PIN 2
to PIN 3
to PIN 4
to PIN 6
TXD
RXD
RTS
CTS
GND
DTR
2
3
4
5
7
8
to PIN 2
to PIN 3
to PIN 4
to PIN 6
DB-9 Female
End View of Adapter
6 5 4 3 2 1