X1200 Series Router Manual
SERIAL CONTROL
Revision 1.3.2
Page 5-3
5.1.3. Command Formats
Commands are issued by concatenating a sequence of hex codes or parameters as shown in Table 5-2.
All codes are adjacent to each other with no spaces in between bytes.
Parameter
Definition
[STX]
ASCII hex code for Start of Transmission
[ENQ]
ASCII hex code for Inquiry
[HI ADDR]
ASCII hex code for the High byte of the address
[LO ADDR]
ASCII hex code for the Low byte of the address
[XPT(V)]
ASCII hex code for Video crosspoint (i.e.0..9, A, B)
[XPT(A)]
ASCII hex code for Audio crosspoint (i.e.0..9, A, B)
[PSUPP]
ASCII hex code for the Power Supply Status
(i.e.0x31 = active, 0x30 = either inactive)
Table 5-2: ASCII Command Definitions
5.1.3.1. Write or Take Command
This command is used to switch the active crosspoint in the router.
[STX][HI ADDR][LO ADDR][XPT(V)][XPT(A)]
5.1.3.2. Read or Query Command
This command is used to read back the status of the router.
[STX][HI ADDR][LO ADDR][ENQ]
5.1.3.3. Reply Command String
This reply is sent back from the router in response to the Write or Read command. It indicates which
audio and video crosspoints are active, and the current status of the power supplies.
[XPT(V)][XPT(A)][PSUPP]
5.1.4. Command Examples:
The following are examples of the GVG’s TEN-XL ASCII protocol write and read commands controlling a
X1202S-AES model router. The
Serial Address
menu item is assumed to be set to 01 so video Buss 1 will
be addressed as 01 and video buss 2 will be addressed as 02.
Содержание X1201-AES4
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