Appendix
D
Pinouts
Table 3 lists the pinouts of the PTC-921 DOS’s
communication/charging contacts. The diagram to the
left of the table identifies the pin sequence when you
are looking at the back of the PTC and the scanner
lens is facing away from you as depicted in the figure
on page 4.
Table 3. Communication/charging contact pinouts
Pin
Signal
Description
1
VBATT
Battery charge voltage
2
KILL
Kill
3
RXD
Receive data line
4
TXD
Transmit data line
5
RING
Ring indicate
6
GND
Ground
7
RTS
Request to send (handshake line)
8
CTS
Clear to send (handshake line)
1 2 3 4 5 6 7 8
33
Содержание PTC-921 DOS
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Страница 3: ...PTC 921 DOS User s Guide Part Number 23451 000 02 Release Date 5 27 98...
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Страница 35: ...Processor Type V20H 9 8304 MHz Software Operating system Telxon ROM DOS MS DOS 5 0 27...
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Страница 46: ...TXD Transmit data signal TXD indicates that a device is currently transmitting data 38...
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