Digital Equipment LGplus Series, Руководство по установке

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5–6
Centronics Parallel Interface
The Centronics interface enables the printer to operate with controllers
designed for buffered Centronics printers. The length of the data cable from
the host computer to the printer must not exceed 15 feet (5 meters).
Table 5–2. Centronics Interface Connector Pin Assignments
Input Signals Output Signals Miscellaneous
Signal Pin Signal Pin Signal Pin
DATA LINE 1 2
Return 20
ACKNOWLEDGE 10
Return 33
CHASSIS GROUND 17
DATA LINE 2 3
Return 21
ONLINE/SELECT 13
FAULT 32
GROUND 30
DATA LINE 3 4
Return 22
PAPER EMPTY 12
Return 16
Spares 14, 18, 31
DATA LINE 4 5
Return 23
BUSY 11
Return 28
DATA LINE 5 6
Return 24
DATA LINE 6 7
Return 25
DATA LINE 7 8
Return 26
DATA LINE 8 9
Return 27
DATA STROBE 1
Return 19
PAPER INSTRUCTION 15
Return 29