IBM 4975 02L Maintenance Information page 159

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ModelO2R
Row B
0
@
0
@
G)
@
0
@
G)
@
0
@
@)
0)
@
0
@
G)
@
@
@
10
10
@
11
11
@
@
@
12
12
Cable
Logic/control board
connector
connector P6
Connector
Cable
Connector
P6
connector
P6
PC
A-pins
Signal name
Pins
Pins
B-pins
Jumpers
B01
J1
A1
Clear to send (CTS)
5
20
B02
J1
A2
Request to send (RTS)
4
-
B03
J2
A3
Data set ready (DSR)
6
20
B04
J2
A4
Data terminal ready (DTR)
20
6,5,8
B05
J3
A5
Receive data
3
2
B06
J3
A6
Transmit data
2
3
B07
J4
A7
R ecei ve
cI
ock
17
-
B08
J4
A8
Blank
-
-
B09
J5
A9
Transmit clock
15
-
B10
J5
A10
Blank
-
-
B11
J6
A11
Ground
7
7
B12
J6
A12
Blank
-
-
This diagram is for instructional purposes only.
Wiring Diagrams 7 -11

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