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Part 2: Product Specifications
2.3 Interface Specifications
1) Interface type
Bidirectional parallel interface (IEEE1284 compatible)
2) Signal level
Input
TTL level: Input signals other than to data bus
"Low" level: +0.0V to +0.6V "High" level: +2.4V to +5.0V
TTL level: Data bus
"Low" level: +0.0V to +0.8V "High" level: +2.2V to +5.0V
Output
"Low" level: +0.0V to +0.4V
"High" level: +2.4V to +5.25V
3) IO
Each signal is pulled up to +5V.
4) Interface cable
Material: AWG No. 28 or thicker (American Wire Gauge)
Type:
Length:
5) Interface connectors
Printer: Amphenol 36-pin 57-40360 or equivalent
Cable:
Amphenol 36-pin 57-30360 or equivalent
6) IO signals and pin configuration
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Peripheral Logic High*
*1: N.C.: No Connection *2: -RET are All Connected to Gnd.
*3: Connected to +5.0V Through 390 Resistance.
*4: Connected to +5.0V Through 3.3k Resistance.
Shielded twisted pair cable
2.0m max.
TABLE 2-3 IO SIGNALS IN COMPATIBLE MODE
Signal
I/O
Date-Strobe
IN
Data 1
IN
Data 2
IN
Data 3
IN
Data 4
IN
Data 5
IN
Data 6
IN
Data 7
IN
Data 8
IN
Acknlg
OUT
Busy
OUT
PE
OUT
Select
OUT
Auto Feed XT
IN
N.C.*
1
Gnd
Gnd
3
Pin No.
19
Data Strobe-RET*
20
21
22
23
24
25
26
27
28
29
30
31
32
...
33
...
34
...
35
Peripheral Logic High*
...
36
2-12
Signal
I/O
...
2
Data 1-RET
...
Data 2-RET
...
Data 3-RET
...
Data 4-RET
...
Data 5-RET
...
Data 6-RET
...
Data 7-RET
...
Data 8-RET
...
Acknig-RET
...
Busy-RET
...
PE-RET
...
Init
IN
Fault
OUT
Gnd
...
N.C.*
...
1
...
4
Select in
IN
BJC-7100
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