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Response frame for Ethernet
Response frame for RS-232C
Contents in response frame
Contents Description
Ethernet
required
RS-232C
required
Start Code [SOH=0x01] Indicates the beginning of the frame with SOH.
No
Yes
Command Code
Specifies the command the reader executes.
Yes
Yes
Response Code
Indicates the result code of command execution.
Yes
Yes
Response Data
Indicates the result data of command execution.
Yes
Yes
FCS
Stands for Frame Check Sequence
No
Yes
Terminator [CR=0x0d]
Indicates the end of the frame with CR.
No
Yes
Terminator [LF=0x0a]
Indicates the end of the frame with LF.
Yes
Yes
Command Code
Response Code
Response Data
LF
4 bytes
4
n
1
SOH Command Code
Response Code
Response Data
FCS
CR LF
1
4 4 n
2
1
1
FCS Calculation Range
Terminator
Terminator