User Guide

Table Of Contents
eGo/SeGo Tag Command Set
87
NACK Response
No Response
Lock Tag Data (25h)
The Lock Tag Data command locks and unlocks a tag’s memory locations. The tag to
(un)lock and memory location to be (un)locked are specified in the fields as defined
below:
Lock Tag Data Request Fields
FF 02 24 ?? ?? 01 0D ?? ??
SOH Length OpCode Status TM
Option
Command
Type
CRC
FF 00 24 04 00 E4 26
SOH Length TM
OpCode
Status CRC
Field Value Description
TM OpCode 0x25 TM OpCode
Timeout [2 bytes] Indicates how long the command should spend attempt-
ing the operation, in milliseconds.
TM Options
Note: TM Options field
combines bit 0
indicating general
processing
information and
bits 5 & 6
indicating
authentication
method. For the
final TM Options
setting, the two
“fields” should be
OR’d.
0x01 Indicates Command Type and additional fields to follow.
bits 5 & 6
(LSB = bit 0)
Specify authentication method to use:
0x00 = authentication is disabled and Key values must
not be passed.
0x20 = RFU
0x40 = authentication is enabled and Key values must
be passed.
0x60 = RFU