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• •
Parallel Interface Information
I)
• •
I
•
Pinna.
Slgnalname
110
Function
•
1
STROBE
Input
Reads In the data
2·9
DATA 1-8
Input
Communicates bytes of data
I
10
ACK
Output
Acknowledges receipt of data
•
11
BUSY
Output
Indicates receptiveness to more data
I
12
PAPER END
Output
Notifies that you're out of paper
13
SELECTED
Output
Online mode Indicator
•
14
N/C
(unused)
•
15
NIC
(unused)
•
16
SIGNALGND
Signal ground
17
CHASSISGND
Frame ground
•
18
+5VDC
Output
External +5VDC Power (max. 50ma)
•
19-30
Twisted·pair
Return signals, conveyed by
returns for
twlsted·pair cable
•
Pins 1·12
31
INPUT PRIME
Input
Resets printer: clears buffer
•
and initializes
32
ERROR
Output
Indicates offline mode
•
33
EXTGND
External ground
•
34·35
NIC
(unused)
•
36
NIC
(TTL high level)
• •
Figure N·1. The parallel interlace signals and their names. pins.
110 classifications, and functional summary.
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247
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