MX8000 Installation and Operation Guide
8–38
Table 8–47: Checksum Verification Process
Character ASCII Code Additive Checksum XOR Checksum
| 7C 00 + 7C = 7C FF ^ 7C = 83
[ 5B 7C + 5B = D7 83 ^ 5B = D8
X 58 D7 + 58 = 12F D8 ^ 58 = 80
| 7C 12F + 7C = 1AB 80 ^ 7C = FC
] 5D 1AB + 5D = 208 FC ^ 5D = A1
A 41 208 + 41 = 249 A1 ^ 41 = E0
8.11 US ASCII Character Code
The following table displays the US ASCII character its hexadecimal code equivalent.
Table 8–48: US ASCII Character Code
Character Hex Character Hex Character Hex Character Hex Character Hex
NUL 00 DC4 14 ( 28 < 3C Q/q 51/71
SOH 01 NACK 15 ) 29 = 3D R/r 52/72
STX 02 SYN 16 * 2A > 3E S/s 53/73
ETX 03 ETB 17 + 2B ? 3F T/t 54/74
EOT 04 CAN 18 ’ 2C @ 40 U/u 55/75
ENQ 05 EM 19 - 2D A/a 41/61 V/v 56/76
ACK 06 SUB 1A . 2E B/b 42/62 W/w 57/77
BEL 07 ESC 1B / 2F C/c 43/63 X/x 58/78
BS 08 FS 1C 0 30 D/d 44/64 Y/y 59/79
HT 09 GS 1D 1 31 E/e 45/65 Z/z 5A/7A
LF 0A RS 1E 2 32 F/f 46/66 [ 5B
VT 0B US 1F 3 33 G/g 47/67 \ 5C
FF 0C SPACE 20 4 34 H/h 48/68 ] 5D
CR 0D ! 21 5 35 I/i 49/69 / 5E
S0 0E “ 22 6 36 J/j 4A/6A 5F
S1 0F # 23 7 37 K/k 4B/6B ‘ 60
DLE 10 $ 24 8 38 L/l 4C/6C { 7B
DC1 11 % 25 9 39 M/m 4D/6D | 7C
DC2 12 & 26 : 3A N/n 4E/6E } 7D
DC3 13 ‘ 27 ; 3B O/o 4F/6F ~ 7E
P/p 50/70 DEL 7F
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