X0400 Series Router Manual
Page 2
Revision 1.4.4
SERIAL CONTROL
router family contains 4 internal crosspoints, only crosspoints #1 to #4 are valid. Valid sources
range from 0 to 3 decimals or 0x00 to 0x03, as shown in Table 5-2. The remaining sources in the
Ten-XL protocol will be ignored by the X0401 routers.
Data Byte
Corresponding
Source
Hex Value
ASCII Character
0x30
0
1
0x31
1
2
0x32
2
3
0x33
3
4
Table 5-2: Crosspoint Numbers and their Internal Source Numbers
5.1.3. Command Formats
Commands are issued by concatenating a sequence of hex codes or parameters as shown in Table 5-3.
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..3)
[XPT(A)]
ASCII hex code for Audio crosspoint (i.e.0..3)
[PSUPP]
ASCII hex code for the Power Supply Status
(i.e.0x31 = active, 0x30 = either inactive)
Table 5-3: 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]
Summary of Contents for X0400 Series
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