NEC Advanced Personal Computer System Reference Manual page 51

Processor PCB
2-32
25 23 CN2 5 3 1
1 00 0001
o
0 0 0 0 .
II
I 7 I 7 7 2 Z I 72 2 II 7 7 Z 121 7 7 7/1//7 I I I 7 Z? 2 I Z I Z 7 I i 7 Z 1117772,",,",
C 26 24 6 4 2 G9PFBU PCB
36
18
B
19 1
36
18
A
PINS 14 TO 18 AND 32 TO 36 HAVE
NO CONNECTION.
MOUNTED ON THE REAR PANEL
(MARKED PTR).
I
0
n---------4;
Y
REAR PANEL PRINTER CABLE
CONNECTOR
RIBBON-TYPE INTERCONECTING CABLE
NOTE: SEE TABLE 2-6 FOR PIN NUMBERS AT LOCATIONS A, B, AND C.
Figure 2-21 Parallel Printer Cable Connect