8
8
TTP-384M
Bar Code Printer Service Manua
l
2.2 Pin Configuration
RS-232C
PIN
CONFIGURATION
1
+5 V
2
TXD
3
RXD
4
CTS
5
GND
6
RTS
7
N/C
8
RTS
9
N/C
USB
PIN
CONFIGURATION
1
N/C
2
D-
3
D+
4
GND
Centronics
Pin
SPP Mode
Nibble
In/Out
Function
1
Strobe
N/A
In
A
low
on this line indicates that there are valid data
at the host. When this pin is de-asserted, the +ve
clock edge should be used to shift the data into the
device.
2-9
Data 0-7
N/A
In
Data Bus. Single-directional.
10
Ack
N/A
Out
A
low
on this line indicates that there are valid data
at the Device. When this pin is de-asserted, the +ve
clock edge should be used to shift the data into the
host.
11
Busy
N/A
Out
When in reverse direction, a
high
indicates data,
Содержание TTP-384M
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Страница 14: ...12 12 TTP 384M Bar Code Printer Service Manual 5 Reassemble the parts in the reverse procedures ...
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