61
10-2 Interface Specifications
Standard In compliance with the specifications of Centronics
Input signals STROBE (1 BIT), DATA (8 BITS)
Output signals BUSY (1 BIT), ACK (1 BIT)
Level of input/output signals TTL level
Transmission method Asynchronous
[Parallel]
Standard Universal Serial Bus Specification Revision 1.1
Universal Serial Bus Device Class Definition for Printing Device Version 1.1
Transmission speed 12Mbps (Full Speed Device)
Data format NRZI
Compatible connector Series B
Rated cable length 3 m
[USB]
[Parallel connector (in compliance with
specifications of Centronics)]
1
19
18
36
3.3K
100
+5 V
+5 V
=
=
*
**
Signal
number
Terminal
number
Signal
number
Pin Connection
NC 36 18 HIGH**
HIGH* 35 17 GND
NC 34 16 GND
GND 33 15 NC
HIGH* 32 14 NC
NC 31 13 HIGH*
30 12 GND
29 11 BUSY
28 10 ACK
27 9 D7
26 8 D6
GND 25 7 D5
24 6 D4
23 5 D3
22 4 D2
21 3 D1
20 2 D0
19 1 STROBE
[USB connector]
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