IBM 6400 Maintenance Information Manual

292 Appendix A Circuit Board And Cable Pinouts
Controller, CMX
1
2
3
4
5
6
7
8
N STROBE
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
P1
P2
P3
P4
P5
P6
P7
P8
N ACK
BUSY
PAPER EMPTY
SLCT
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
NC
N DP SEL
N SELECT IN
PI
EXT 5V
HOST LOGIC H
N INIT
N AUTOFEED
N FAULT
J112
Centronics
I/O CNC PN 1
I/O CNC PN 19
I/O CNC PN 2
I/O CNC PN 20
I/O CNC PN 3
I/O CNC PN 21
I/O CNC PN 4
I/O CNC PN 22
I/O CNC PN 5
I/O CNC PN 23
I/O CNC PN 6
I/O CNC PN 24
I/O CNC PN 7
I/O CNC PN 25
I/O CNC PN 8
I/O CNC PN 26
I/O CNC PN 9
I/O CNC PN 27
I/O CNC PN 10
I/O CNC PN 28
I/O CNC PN 11
I/O CNC PN 29
I/O CNC PN 12
I/O CNC PN 30
I/O CNC PN 13
I/O CNC PN 31
I/O CNC PN 14
I/O CNC PN 32
I/O CNC PN 15
I/O CNC PN 33
I/O CNC PN 16
I/O CNC PN 34
I/O CNC PN 17
I/O CNC PN 35
I/O CNC PN 18
I/O CNC PN 36
470 PF
10%
50V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
HOST RXD
HOST CTS
NC
NC
NC
NC
NC
HOST TXD
HOST RTS
HOST DSR
NC
NC
NC
NC
NC
HOST DTR
NC
NC
HOST DCD
J201
RS232/RS422
DIFF TXD-
DIFF RXD-
DIFF RXD+
DIFF TXD+
26
27
470 PF
10%
50V
1
2
3
4
5
6
7
8
PF 1
9
10
11
12
13
14
15
16
17
18
19
20
J107
Motor Sensor Right
RIB R1
PF 2
RIB R2
PF 3
RIB R3
PF 4
RIB R4
EXH FAN+
BANK FAN+
PLAT OPEN SW
R RBN POST+
PLAT OPEN RET
R RBN POST-
MPU-
COVER OPEN SW
MPU+
COVER OPEN RET
EXH FAN-
BANK FAN-
0.01 mF
10%
100V
+48V
1
2
3
4
5
6
7
8
N FP DAT AVAIL
FP CLK
N FP LED WR
FP DATA
N FP LCD WR
J110
Front Panel
470 PF
10%
50V
VCC
10K
0.1W
4.7K
0.1W
VCC
CHASSIS GND
N DP EN
CAUTION: <5> Do not remove or replace
the NVRAM. The NVRAM contains a
lithium battery that can explode if it is
replaced incorrectly. NVRAM is replaced
only at the factory.

IBM 6400 Specifications

General

Brand	IBM
Model	6400
Category	Printer
Language	English