112
MULTIPORT SPOOLER VIII (4-, 8-, and 12-Port Models)
A.4 Parallel Cables
25-Wire DB25 to 25-Wire DB25 (ECN25C)
P.U.: Pull Up to +5V
N.C.: Not Connected
MPS-VIII
Computer
Male DB25
Male DB25
Signal
Pin
Pin
description
number
number
STB
1
1
Data 0
2
2
Data 1
3
3
Data 2
4
4
Data 3
5
5
Data 4
6
6
Data 5
7
7
Data 6
8
8
Data 7
9
9
ACK
10
10
BUSY
11
11
(PE) TTL LOW
12
12
(SELECT) P.U.
13
13
(AUTO LF)
14
14
(ERROR) P.U.
15
15
INIT
16
16
(SELECT IN) N.C.
17
17
GND
18-25
18-25
Summary of Contents for PI750A
Page 119: ...111 APPENDIX A Cable Pinouts IBM AT to MPS VIII DB9M to DB25M...
Page 173: ...NOTES...
