Connecting The Interface Cable - Ricoh A193 Service Manual

3.5 CONNECTING THE INTERFACE CABLE

3.5.1 Parallel Interface
A bi-directional parallel cable is required to connect the printer controller to a
host PC parallel port.
3.5.2 Serial (RS-232C) Interface
An RS-232C cross cable is required to connect the printer controller to a host
PC serial port.
The figure below shows the wiring diagram of the RS-232C cross cable.
F G 1
T X D 2
R X D 3
R T S 4
C T R 5
D S R 6
S G 7
C D 8
D T R 2 0
3.5.3 LocalTalk Interface
A LocalTalk cable is required to connect the Printer Enhancement Unit to a
host Macintosh printer port.
SM
1 F G
2 T X D
3 R X D
4 R T S
5 C T R
6 D S R
7 S G
8 C D
2 0 D T R
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