MagTek MCP - Manual (Page 21)

Section 3. Transport Frame Types
15
Get Communication Parameters Command
Command Code: 2 (0010)
S-frame Type: Request/Response
Request PCB: 92 (Hex)
Response PCB: A2 (hex)
Description:
This command requests the value of one of the devices communication parameters.
Request Data:
The parameter ID is located in the first byte of the data field.
Response Data:
Result Code Value
Supported EDC Parameter
Parameter ID: 00 (Hex)
Description:
This parameter is used to determine what error detection codes the device supports for the frame
EDC.
Result Codes:
Success = 00 (Hex)
The command always completes successfully.
Values:
The value of the parameter is a one byte field with the following bit definitions.
The bits are identified by numbering the least significant bit 0 and the most significant bit 7.
Bit Description
0
Set to 1 if 16 bit CRC EDC is supported else set to 0
1 Set to 1 if 8 bit LRC EDC is supported else set to 0
2-7 RFU