Commodore 128D - Page 368

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12. User Port—Various interface devices can be attached here,
including a Commodore modem.
User I/O
Pin
1
2
3
4
5
6
7
8
9
10
11
12
Type
GND
+ 5V
RESET
CNT1
SP1
CNT2
SP2
PC2
SER. ATN IN
9 VAC
9 VAC
GND
Note
AAAX. 100 mA
AAAX. 100 mA
AAAX. 100 mA
Pin
A
B
C
D
E
F
H
J
K
L
AA
N
Type
GND
FLAG2
PBO
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PA2
GND
Note
1 2 3 4 5 6 7 8 9 10 11 12
ABCDEFHJKLMN
(rear view of port)
13. Power Socket—The free end of the cable from the power supply
is attached here.
14. Power Switch—Turns on power from the transformer.
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362 APPENDIX C—Connectors/Ports for Peripheral Equipment
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