External Test Set Interface Connector


This 25-pin connector is for the control of external test sets. This allows a modular, expandable test system.

Pin Number

Signal Name

Signal Standard

1

SEL0

TTL level, Output (0V)

2

SWEEP DELAY

TTL level, Input

3

AD12

TTL level, Latch output/input

4

AD10

TTL level, Latch output/input

5

AD9

TTL level, Latch output/input

6

AD8

TTL level, Latch output/input

7

GND

0V

8

LAS

TTL level, Latch output

9

AD4

TTL level, Latch output/input

10

AD3

TTL level, Latch output/input

11

AD2

TTL level, Latch output/input

12

GND

0V

13

INT

TTL level, input

14

+22V

+22V, 100 mA maximum

15

SEL1

TTL level, Output (0V)

16

SEL2

TTL level, Output (0V)

17

AD11

TTL level, Latch output/input

18

SEL3

TTL level, Output (0V)

19

AD7

TTL level, Latch output/input

20

AD6

TTL level, Latch output/input

21

AD5

TTL level, Latch output/input

22

AD0

TTL level, Latch output/input

23

AD1

TTL level, Latch output/input

24

LDS

TTL level, Latch output

25

RLW

TTL level, Latch output

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