CHD603B-U Desktop EM card reader User Manual
-4-
Every byte of the HEX value separate as the high half bit and low half bit two characters, send
out the high half bit characters’ ASCII code first, send out the low half bit characters’ ASCII
code later, For example, one byte HEX value is 1 AH, send out the character "1”‘s ASCII code
31H first, then send out the character "A" ‘s ASCII code 41 H.
CHECK-BYTE:
From "ADDR" to "CARD-NO" ‘s last byte end, total 6 bytes, based on logic or get a byte of
CHECK-BYTE.
For example, ADDR = 1, CARD-NO = 1, CFH, CFH, 0, 2 then CHECK-BYTE = 2
The strings of data send out as below:
7EH, 30H, 31H, 30H, 31H, 43H, 46H, 43H, 46H, 30H, 30H, 30H, 32H, 30H, 32H, 0DH, 0AH
Start symbol
ADDR
CARD_NO: 1, CFH, CFH, 0, 2
CHK_BYTE
End symbol
4
、
Sketch of products connection:
Picture 4
5
、
Packing list
Item
Name
Quantity
Remark
1
CHD603B-U Desktop EM card reader
1 unit
2
Standard 1.5meter USB line
1 unit
3
Virtual COM CD-ROM device driver
1 unit
3.5 inch
4
User manual
1 unit
5
Guarantee certificate
1 unit