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Line Sync between host and interface.
Switches:
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
Selection Jumpers: 3 hardware configuration shorting jumpers
Twin-axial Connection:
Both cable-thru and automatic termination available
using provided V-connector cable
Power
Requirements:
All power supplied by the printer
Processor:
Z80A CMOS
Memory:
8 Kbytes of static memory
PARALLEL INTERFACE SPECIFICATIONS
Signal
Return
Signal
Parallel
Direction
Description
Pin
Pin
Cable
Pin
1
19
STROBE
1
IN
Strobe pulse to read
data in. Pulse width
must be more than
.5 sec. at the inter-
face.
2
20
DATA1
2
IN
3
21
DATA2
3
IN
4
22
DATA3
4
IN
5
23
DATA4
5
IN
6
24
DATA5
6
IN
7
25
DATA6
7
IN
8
26
DATA7
8
IN
9
27
DATA6
9
IN
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.
26