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Switches:
Selection Jumpers:
Twin-axial Connection:
Requirements:
Power
Processor:
Memory:
PARALLEL INTERFACE SPECIFICATIONS
Return
Signal
Pin
Pin
1
19
2
20
3
21
4
22
5
23
6
24
7
25
8
26
9
27
Line Sync between host and interface.
8 SIP piano switches for device address,
emulation mode, buffer print, print quality,
and interface enable
Push Button for TEST/YES
Push Button for CANCEL/NO
3 hardware configuration shorting jumpers
Both cable-thru and automatic termination available
using provided V-connector cable
All power supplied by the printer
Z80A CMOS
8 Kbytes of static memory
Signal
Parallel
Cable
Pin
STROBE
1
DATA1
2
DATA2
3
DATA3
4
DATA4
5
DATA5
6
DATA6
7
DATA7
8
DATA6
9
Direction
IN
IN
IN
IN
IN
IN
IN
IN
IN
26
Description
Strobe pulse to read
data in. Pulse width
must be more than
.5 sec. at the inter-
face.
These signals repre-
sent information in
bits 1 to 8 of parallel
data respectively.
Each signal is HIGH
when data is logical
1 and LOW when it
is logical 0.
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