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: Shielded twisted pair cable
Length: 2.0m max.
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
*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.
Part 2: Product Specifications
BJC-7100
2-12
TABLE 2-3 IO SIGNALS IN COMPATIBLE MODE
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Signal
Date-Strobe
Data 1
Data 2
Data 3
Data 4
Data 5
Data 6
Data 7
Data 8
Acknlg
Busy
PE
Select
Auto Feed XT
N.C.*
1
Gnd
Gnd
Peripheral Logic High
*
3
I/O
IN
IN
IN
IN
IN
IN
IN
IN
IN
OUT
OUT
OUT
OUT
IN
...
...
...
...
Signal
Data Strobe-RET*
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
Fault
Gnd
N.C.*
1
Peripheral Logic High
*
4
Select in
I/O
...
...
...
...
...
...
...
...
...
...
...
...
IN
OUT
...
...
...
IN
Pin No.
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
