Agilent Technologies 6890 Series Service Manual page 696

RS-232
S S
A A
M M
P P
L L
E E
S
R R
I
1 1
G
1
S
A
M
P
L
E
R
2
T
R
A
Y
S S
I I
G G
1 1
LAN
S
I
G
2
R R R
E S S
M / /
O 2 2
T 3 3
E 2 2
E
V
E
N
T
B
C
D
RS-232 Standard wiring
Transmitters
Receivers
Figure 1215-5
Jun 2001
1
5
RS-232
3 TxD
7 RTS
4 DTR
2 RxD
8 CTS
6 DSR
1 DCD
5 GND
RS-232 connection
Electrical
Agilent 6890 Gas Chromatograph Service Manual
External Connectors, 6890N
JP1, RS-232
Pin Function
1 DCD
2 RxD
3 TxD
6
4 DTR
5 GND
9
6 DSR
7 RTS
8 CTS
9 unused
RS-232 Loop back wiring
1
2
3
4
5
6
7
8
9
1215
RS-232
5 of 10