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Page 3
8 x 8 HDMI Matrix Switch RS-232 Protocol Manual
The format is:
LINK 01; This will establish the link.
LINK 00; This will terminate the link.
Devices that are firmware version x.x or higher will return a status. This status is command dependent.
For example: Response [SKU][ ][Status][;]
The Status is a two-digit numerical code. See page 4 in this document for specific details.
Commands
NOTE: Not all commands are supported on all devices.
Commands
Item Command Description
1 Link Establish or disable the data link between the controller and the device.
2 Power Set/check the status of power.
3 Output [d] Set/check the status of single outputs.
4 ActiveSource Check the status of an input for a signal present.
5 OutputAll Set/check the status of all outputs.
6 Recall Recall a saved matrix configuration from memory.
7 Recall [mm] Check the memory address data.
8 Memory Save the current matrix.
9 Lock Set/check the status of lock.
10 EDID Set/check EDID (HDMI only).
11 Signal Format Sets V + A, A only.
1. Link
Function Command Response Description
Leave Link 00; VSWHDMI8X8B 00; Leave
VSWHDMI8X8B 01; Command not recognized
Link Link 01; VSWHDMI8X8B 00; Link
VSWHDMI8X8B 01; Command not recognized
Check Link Condition Link ?; Link 00;
Link 01;
System Leave
System Link
2. Power
Function Command Response Description
Power OFF Power 00; VSWHDMI8X8B 00; Power off
VSWHDMI8X8B 01; Command not recognized
Power ON Power 01; VSWHDMI8X8B 00; Power on
VSWHDMI8X8B 01; Command not recognized
Check Power Status Power ?; Power 00;
Power 01;
Power off
Power on