IBM 3274 51C Maintenance Information page 187

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Operator Panel Card
CR·5
o
0 0 00
0
0
CR-4 ,ICR·3
CR·2 CR·l
1
N/O 1,/'
813 Power
ON/OFF
• --I
N/O
, N/C
0
~
Com
.. 2
o •
"
~com.
N/O
,.3
!J'
0
Note 2
• •
oN/0t]
·--5
Com
-
N/C
. -
,
-
,
·
. \
I
• --,10 .......
00
o
52
81
IML
ALT IML
Pushbutton
Address
00 00
54
Talk/
CR·3
CR·12 CR·ll
CR·1Q CR·9
CR·8 . CR·7
CR·6
Data
Note 2
N)O~
Com
_
N/C
-
57/58
Pri·Sec
5peed
. Note
t
N/0l]_
Com
._
N/C
-
511 Local
Comm
• •
·--15
• •
• •
·--20
• •
.-- 24
J1
16
8" - • • • • • • • -14
7········· . . . -1
Z1
Logic Module
8· - • • • • • • • 1--14
7-
• • • • • • •
-1
9.
8--
56 Data 5peed
••••••••
••••••••
510 (not used)
10
5
-16
-1
I
I
I
I
I--------I---B········· ...... .
A··············· .
B
A
Operator Panel Assembly
Notes:
Com.
N/O.
N/C •
512
Encrypt/Decrypt
Keylock
Encrypt/Decrypt
Battery
1. Probe Power ON switch Sf at
cable termination Plug P2.
See Figure 8·2.
2. Switches S1, S4, Sl, S8, and
S"-There is continuity between
the Com and N/C contacts with
the rocker in the position shown
to
the right.
Figure D·7. Operator Panel Component Pin LOcations
9-- • • • • • • • •
·16
8- - • • • • • • • •
-1
55 Transmit Level
••••••••
~16
8· -
••••••••
-1
59 Transmit Level
J2
Appendix D. Operator and Control Panels D.9

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