Agilent Technologies 8590, 90235 Figure C-2. HP 245426 25-pin to g-pin Full Handshaking Connection, Figure C-3. HP 24542U g-pin to g-pin Full Handshaking Connection, Figure C-4. , 25-pin, to O-pin , S-Wire, Connection

Person0 computer Analyzer
TxD
2 > >
2
RxD
RxD
3
3
TxD
RTS 4
s
1 DCD
;a;
,” 4DTR
GND
7
DCD 8
DTR 20
no connection 9 RI
cu135e
Figure C-2. HP 245426 25-pin to g-pin Full Handshaking Connection
Personal Computer Analyzer
DCD
1 < <
7RTS
RxD 2
TxD
3
DTR
4
GND
5
RTS
7
I::
,” z
5 GND
1 DCD
4DTR
RI
9 no connection
9 RI
cu136e
Figure C-3. HP 24542U g-pin to g-pin Full Handshaking Connection
If your computer operates with only three wires, you can use the cable connections in
Figure C-4.
Some computers require that the CTS, DSR, and DCD inputs be true before serial transmission
can occur. lb solve this problem, you can wire these three signals to the personal computer
RTS line.
Personal Computer Analyzer
TxD
2 >>
2RxD
RxD 3
<
<3 TxD
GND
7<
< 5 GND
E 8 7 1 CTS RTS DCD
cu137e
Figure C-4. 25-pin to O-pin S-Wire Connection
M-232 and Parallel Option 043
C-3