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Interface Desc
r
i
p
tion
7.2
Parallel Interface
The C-650 Plus parallel interface according to IEEE 1284-1994 standard, support SPP,
nibble, byte protocol.
Instruction of
p
arallel interface as follows:
Technical Character:
•
Compatibility:
CENTRONICS
•
Logic circuit:
TTL
•
Data format:
7 or 8 bits
•
Logic level:
0 - 5 V
•
Connector:
36
p
ins
A
ll the input and output signal was connected to a 5V voltage by a 2.2k ohm resistance
Interface si
g
nal:
7.3 USB Interface
(in preparation)
•
USB characters
•
Type:
terminal
•
Reference standard:
Universal Serial Bus
•
Transmission speed:
$
200 kbps
7-2