IBM Internal Use Only
Appendix C. Probe Assignment Planning Form
The IBM Basic Counter Unit Probe Assignment Planning
Form, ZX22-6946, is available in units of 25 sheets per pad.
Users are advised to plan their work on this form before
connecting the monitor probes to the assigned probe points
on a CPU, channel, control unit, or I/O device.
IBM BASIC COUNTER UNIT PROBE ASSIGNMENT PLANNING FORM
Account Prepared hy
Svstem Tvpe
______
nate
Basic
Counter
Unit Junct Signal (s)
Input Box Pos Line Name (Polarity) Logic Page/Mach Logic Pin Ref 1 Ref 2 Ref 3 Ground
1
1
1
1
2
Ground
2
1
2
1
2
Ground
3
1
3
1
2
Ground
4
1
4
1
2
Ground
5 1
5
1
2
Ground
6
1
6
1
2
Ground
7
1
7
1
2
Ground
8 1
8
1
2
Ground
9
1
9
1
2
Ground
10
1
10
1
2
Ground
11 2
1
1
2
Ground
12
2
2
1
2
Ground
13
2 3
1
2
Ground
14
2
4
1
2
Ground
15
2
5
1
2
Ground
16
2
6
1
2
'
Ground
17
2
7
1
2
Ground
18
2
8
1
2
Ground
19 2
9
1
2
Ground
20
2
10
1
2
Ground
M on itor Probe Wire L egend
sig 1 = yellow sig 2 = white ref 1 = violet ref 2 = gray ref 3 = red ground = black
Appendix C 35