Crc flag property, Pre card string property – MagTek Bluetooth MagneSafe V5 Swipe Reader User Manual
Page 39
Section 5. Communications
31
This property is stored in non-volatile memory, so it will persist when the unit is
power cycled. When this property is changed, the unit must be reset (see
Command Number 2) or power cycled for these changes to take effect.
CRC FLAG PROPERTY
Property ID:
0x19
Property Type:
Byte
Length:
1 byte
Get Property:
Yes
Set Property:
Yes
Default Value:
0x01
Description:
This property is defined as follows:
0
0
0
0
0
0
E
S
E
0 – The Encrypted CRC will NOT be sent
1 – The Encrypted CRC will be sent
S
0 – The Clear Text CRC will NOT be sent
1 – The Clear Text CRC will be sent
This property is used to designate whether or not the calculated CRC is sent as
part of a message. The default state of this property causes only the Clear Text
CRC to be sent. When the fields are omitted, the Programmable Field Separator
that precedes each of these fields will be sent anyhow.
This property is stored in non-volatile memory, so it will persist when the unit is
power cycled. When this property is changed, the unit must be reset (see
Command Number 2) or power cycled for these changes to take effect.
PRE CARD STRING PROPERTY
Property ID:
0x1E
Property Type:
String
Length:
0 – 7 bytes
Get Property:
Yes
Set Property:
Yes
Default Value:
The default value is no string with a length of zero.
Description:
The value is an ASCII string that represents the reader’s pre card string. This
string can be 0 – 7 bytes long. This string is sent prior to all other card data.
This property is stored in non-volatile memory, so it will persist when the unit
is power cycled. When this property is changed, the unit must be reset (see
Command Number 2) or power cycled for these changes to take effect.
Example Set Pre Card String property Request (Hex):
Cmd Num
Data Len
Prp ID
Prp Value
01
04
1E
31 32 33