User Manual DEV 1951
Copyright DEV Systemtechnik GmbH 2004-2017 95
5.7.4.5 Request Crosspoint Status (S?{Lvl})
This is the command for querying the switching status of the device or of a level
>@<sp> S?{Lvl}<CR>
The "{""}" are indicating the level information as optional.
For the DEV 1951 three scenarios are to be distinguished:
5.7.4.5.1 One Switch Module Installed
The response to the command requesting the switching status of the device
>@<sp> S?<CR>
or the response to the command requesting the switching status of Level 0
>@<sp> S?0<CR>
initiates the same type of reply
S:00,<Src> e.g. S:00,0
>_
with:
<Src> being either 0 for input port "In A" or 1 for input port "In B".
Note:
The device replies with the Leitch Error Message (please refer to chapter 5.7.2)
when requesting the switching status of Level 1.
5.7.4.5.2 Two Switch Modules Installed & Individual Switch Level Assignment Disabled
As well as in Individual switching mode as in Simultaneous switching mode, the
response to the command requesting the switching status of the device
>@<sp> S?<CR>
or the response to the command requesting the switching status of Level 0
>@<sp> S?0<CR>
initiates the same type of reply
S:00,<Src0> e.g. S:00,1
S:01,<Src1> S:01,0
>_
with:
<Src0> and <Src1> being either 0 for input port "In A" or 1 for input port "In B".
Note:
The device replies with the Leitch Error Message (please refer to chapter 5.7.2)
when requesting the switching status of Level 1.
5.7.4.5.3 Two Switch Modules Installed & Individual Switch Level Assignment Enabled
In Individual switching mode the response to the command requesting the
switching status of the device
>@<sp> S?<CR>
initiates the device answer
S:00,<Src0> e.g. S:00,1
S:10,<Src1> S:10,0
>_
with:
<Src0> and <Src1> being either 0 for input port "In A" or 1 for input port "In B".
The response to the command requesting the switching status of Level 0
>@<sp> S?0<CR>
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