Compaq 5532, 5531, 5525B user manual Dataproducts Long Line Interface

Chapter 5 Dataproducts Long Line Interface

Dataproducts Long Line Interface

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	19	READY	22	CABLE VERIFY	45, 46
Return	3	Return	6
DATA LINE 2	20	ONLINE	21	GROUND	39
Return	4	Return	5
DATA LINE 3	1	DEMAND/DATA REQ.	23	TEST	12
Return	2	Return	7
DATA LINE 4	41	PARITY ERROR	27
Return	40	Return	11
DATA LINE 5	34
Return	18
DATA LINE 6	43
Return	42
DATA LINE 7	36
Return	35
DATA LINE 8	28
Return	44
DATA STROBE	38
Return	37
PAPER INSTRUCTION	30
Return	14
BUFFER CLEAR	31
Return	15

NOTE: Pins not listed are not connected.

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

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