Dataproducts long line interface, Chapter 5 – Compaq 5532 User Manual

Page 132

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Chapter 5

Dataproducts Long Line Interface

132

Dataproducts Long Line Interface

The length of the data cable from the host computer to the printer must
not exceed 492 feet (150 meters).

Table 3. Dataproducts Long Line Interface Connector Pin Assignments

(with a 50-pin AMP HDH-20 Data Cable Connector)

Input Signals

Output Signals

Miscellaneous

Signal

Pin

Signal

Pin

Signal

Pin

DATA LINE 1

Return

19
3

READY

Return

22
6

CABLE VERIFY

45, 46

DATA LINE 2

Return

20
4

ONLINE

Return

21
5

GROUND

39

DATA LINE 3

Return

1
2

DEMAND/DATA REQ.

Return

23
7

TEST

12

DATA LINE 4

Return

41
40

PARITY ERROR

Return

27
11

DATA LINE 5

Return

34
18

DATA LINE 6

Return

43
42

DATA LINE 7

Return

36
35

DATA LINE 8

Return

28
44

DATA STROBE

Return

38
37

PAPER INSTRUCTION

Return

30
14

BUFFER CLEAR

Return

31
15

NOTE: Pins not listed are not connected.

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