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Sabre 1555 RFID & Bar Code Reader Programmer’s Reference Manual
4-18
Example 1
(STX/ETX in the data, and TYPE = BFR)
before:
<STX> <TYPE> <CMD/RESP> <[PARM/DATA]> <FM> <CHK> <ETX>
0x7F 0x01 0x70, 0x5, 0x7F, 0x38 0xXX, 0xXX 0x7F
w/ DLE:
<STX> <TYPE> <CMD/RESP><[PARM/DATA] ><DLE> <CMD/RESP><[PARM/DATA]><FM> <CHK> <ETX>
0x7F 0x01 0x70, 0x5 0xEE 0x30*, 0x38 0x00, 0x00 0x7F
Note:
*CMD/RESP [PARM/DATA] (0x7F) is incremented by 1 to (0x80)
Example 2
(0xEE in the checksum, TYPE = BFR)
before:
<STX> <TYPE> byte1, byte2...byteN <CHK> <FM> <CHK> <ETX>
0x7F 0x01 0xXX, 0xXX...0xXX 0x05 0xEE 0x7F
with DLE:
<STX> <TYPE> byte1, byte2...byteN <FM> <CHK> DLE <CHK> <ETX>
0x7F 0x01 0xXX, 0xXX...0xXX 0x05 0xEE 0xEF* 0x7F
Note:
*CHK (0xEE) is incremented by 1 to 0xEF
Numerical ASCII Data (NAD = 0x02)
Compressed numerical ASCII data value (each byte has a numerical ASCII value).
This frame type has the same function as BFR.
Accepted PPP Command and Sending Information (ASI = 0x03)
This command indicates that the command has been accepted and is running or has
completed. Information concerning the command will be returned.
The second byte (i.e., after the ASI field) in the returned message indicates the initial
command request type (refer to ESA command in Table 4-15).
External Synchronization Attempt (ESA = 0x04)
This command is used to synchronize communication with a product and switch to the
Remote Control Protocol. The product can then be controlled by the host (IMC and
SMC commands). To return to the previous interface, the product must be restarted
with a PRC command (ESA is a volatile state).
By using the ESA command, the operator can use EasySet to set up the 1555 directly
without having to read a special bar code. EasySet sends a PRC to restart the 1555
when the user quits EasySet (the product reverts to its previous communication
parameters if they have not been modified in the EasySet session).
Содержание Sabre 1555
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Страница 15: ...1 Before You Begin ...
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Страница 21: ...2 Getting Started ...
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Страница 29: ...3 Operational Modes ...
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Страница 41: ...4 Interactive Programming Mode ...
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Страница 125: ...A Acronyms and Glossary ...
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Страница 135: ...B Command Value to Base 32 Conversion Table b6 1 ...
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Страница 149: ...C Data Value to Base 64 Conversion Table ...
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Страница 169: ...E System Specifications ...
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