Installation manual

22
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Command Mode continued:
Sending Commands WITHOUT CHECKSUM
1) To set a video crosspoint:
\\FxxMyyIzz<CR>
e.g. to set video input 3 to output 12 on a router with frame address “0”
send the command: \\F00M12I03<CR>
2) To set RS-232 crosspoint:
\\FxxRyyIzz<CR>
3) To disconnect RS-232 crosspoint:
\\FxxDyyIzz<CR>
4) To set new frame address:
\\FxxFnn<CR>
5) To query crosspoints from PC:
\\FxxU<CR>
  •Ifalloutputsareconnectedtoinput1thena4x4Matrixwillrespond
with <0x80><0x80><0x80><0x80><CR>
  •Therouterwillsendbackonebyteforeachoutputandthestring
ends with a <CR>. The rst byte sent is Output #1. In the example
above, since there are 5 bytes total, we know that there are 4
outputs.
  •Tocalculatetheinputnumber,theroutersendstheinputnumber
with the 7th bit set.
0x80 = “1000 0000” input 0
0x81 = “1000 0001” input 1
…
0x8F = “1000 1111” input 15
Using RS-232 Control (continued)