User's Manual
© SENSITECH INC. CONFIDENTIAL – CONTROLLED DOCUMENT
Page 58 of 83
A Carrier Corp. Company
PART NUMBER T82002163
REV A
If the packet contains 1120 data bytes and the value of
all the bytes is a hex 76 then the sum of the count bytes
and data bytes is as follows:
Count Byte 0 0x60
Count Byte 1
0x04
Count Byte 2 0x00
460
H
(112
0D)
Data Byte 0 0x76
Data Byte 1
0x76
Data Byte 2
0x76
.
.
.
.
.
.
Data Byte 1119
0x76
Data Byte 1120 0x76
D
at
a
P
a
c
k
e
t
D
a
t
a
Sum equals 0x208A0 Sum
Once the sum has been calculated, only the least
significant byte, in this case 0xA0, is used as the
checksum.