User Guide

244
Appendixes
Appendix 1 Connector Specifications
RS-232C pin assignment
Centronics pin assignment
Printer Side (36-pin Amphenol half-pitch type)
PIN No.
Signal name Wiring
Host side
Controller side
Straight cable Cross cable
11 7,8 CDy
22 3 RDy
33 2 TDy
44 6 DTRy
5 5 5 GND y
66 4 DSRy
77 1 RTSy
88 1 CTSy
99 - RI-
[-] indicates no wiring. Both sides are male pins.
Terminal
No.
Signal name
Terminal
No.
Signal name Pin connection
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Busy
Select
nAck
nFault
Perror
Data 1
Data 2
Data 3
Data 4
Data 5
Data 6
Data 7
Data 8
nlnit
nStrobe
nSelectln
nAutoFd
-
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
Peripheral
Logic High
18 1
36 19