Command/response table for SIS commands, continued
Command | ASCII | Response | Additional Description | |
| Command | (switcher to host) |
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| (host to |
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| switcher) |
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View input signal presence and |
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Request status of all inputs | 0L S | X@ X@ X@ X@* X$] | Each X@ response is the signal status of an input, in | |
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| order from input 1 to 4. For X@: | |
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| 0 | = no signal |
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| 1 | = signal detected. |
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| For X$: | |
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| 0 | = unrecognized |
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| 1 | = 2.97 Gbps |
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| 2 | = 1.485 Gbps |
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| 3 | = 270 Mbps |
Example | 0LS | 1011 * 2 | Inputs 1, 3, and 4 each have a signal present. Input 2 | |
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| has no signal. The input signal rate is 1.485 Gbps. | |
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Information requests |
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General information | I | In X! • F X# • Vmt X@ • Rate X$] | ||
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| X!= current selected input | |
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| X#= current mode: 1 = normal; 2 = | |
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| X@= video mute status: 0 = off; or 1 = on. | |
Serial Communication, cont’d
Example | I | In3 | F 1 Vmt 0 | |
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| • • | • Rate1] |
Query firmware version | Q | x.xx ] |
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Query part number | N |
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Video is selected on input 2 (V2); switcher is in normal mode (F1); video mute is off (Vmt0); rate is 2.97 Gbps.
View the firmware version number. View the switcher’s part number.
