IDTECH SREDKey 2 - Firmware Command Structure; Response from SREDKey 2

ID TECH SREDKey 2 Integration Manual
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6. Firmware Command Structure
The following are commands sent to keypad/reader:
• Setting Command: <STX><S>[<FuncID><Len><FuncData>…] <ETX><LRC>
• Read Status Command: <STX><R><FuncID><ETX><LRC>
• Function Command: <STX>[<FuncID><Len><FuncData>…] <ETX><LRC>
6.1. Response from SREDKey 2
Setting Command
Host
SREDKey 2
Setting command


<ACK> if OK
or

<NAK> if Error
Read Status Command
Host
SREDKey 2
Read Status command


<ACK>
and
<Response>
if OK
or

<NAK> if Error
Other Commands
Host
SREDKey 2
Other command


<ACK> and <Response> if OK
or

<NAK> if Error
<Response> format:
The current setting data block is a collection of many function-setting blocks <FuncSETBLOCK> as
follows:
<STX><FuncSETBLOCK1>…<FuncSETBLOCKn><ETX><LRC>
Each function-setting block <FuncSETBLOCK> has the following format:
<FuncID><Len><FuncData>