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Getting Started 1
U2751A User’s and Service Guide 23
U2751A DSub Connector
The U2751A is equipped with one 25-pin male DSub
connector as shown in Figure 1-1.
Pin Assignments
R represents “Row” and C represents “Column”.
H represents “High” and L represents “Low”.
Figure 1-1 25-pin male DSub connector
Table 1-1 Pin assignments
Pin Description Pin Description
18 R1H 10 C3H
19 R1L 11 C3L
20 R2H 8 C4H
21 R2L 9 C4L
16 R3H 5 C5H
17 R3L 6 C5L
22 R4H 3 C6H
23 R4L 4 C6L
24 C1H 1 C7H
25 C1L 2 C7L
12 C2H 14 C8H
13 C2L 15 C8L
7GND