X1200 Series Router Manual
Page 5-2
Revision 1.3.2
SERIAL CONTROL
5.1.2. Definitions
1 GVG’s TEN-XL ASCII protocol uses standard ASCII hex codes for the transmission of commands.
Programmers must use the hex equivalent code in order to successfully convey commands from
their controlling software to the X1200 series router. Hexadecimal [hex] numbers are represented
with the prefix “0x.”
i.e. decimal “14” = “0x0E.”
2. There are two reserved words in GVG TEN-XL ASCII Protocol. They are illustrated in the table
below.
Reserved
Word
Hexadecimal
Equivalent
Control Character
STX 0x02 ^B
ENQ 0x05 ^E
3. Internal crosspoint numbers are ‘zero-based’, meaning that crosspoint number 1 is accessed as
source 0. Since GVG TEN-XL protocol is based on 10 internal crosspoints and the Evertz 12 x 1
router family contains 12 internal crosspoints it was necessary to extend the protocol to include
crosspoint #11 and #12. Valid sources range from 0 to 11 decimal or 0x00 to 0x0B as shown in
Table 5-1.
Data Byte
Hex Value ASCII Character
Corresponding
Source
0x30 0 1
0x31 1 2
0x32 2 3
0x33 3 4
0x34 4 5
0x35 5 6
0x36 6 7
0x37 7 8
0x38 8 9
0x39 9 10
0x41 A 11*
0x42 B 12*
*- Not found in regular GVG TEN-XL protocol.
Table 5-1: Crosspoint numbers and their Internal Source Numbers
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