Cisco Video Switch, User Manual

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VISCA Standard Push Messages
Command Command
Packet
Comments
CAM_Network_
Change
x0 38 ff This indicates that cameras have
been added to or removed from the
camera chain.
To avoid issues with (some) Sony
cameras, the control system or
codec should delay 9 seconds before
reconfiguring the chain.
Configuration Commands
Messages starting with 8x-01-40-<00..1f> are configuration commands.
Command Command
Packet
Comments
SW_Port_0_
Cfg
8x 01 40 00
... ff
Currently not in use.
SW_Port_1_
Cfg
8x 01 40 01
... ff
Currently not in use.
SW_Port_2_
Cfg
8x 01 40 02
0p ff
p=0: Disable this port
p=1: Enable this port as a secondary
VISCA chain port for cameras usually
connected to codec input 2-5
(default).
p=2: Use this port as a debug port.
SW_Port_3_
Cfg
8x 01 40 03
0p ff
p=0: Disable this port
p=1: Enable this port as a dual visca
port (default).
p=2: Use this port as a debug port.
Command Command
Packet
Comments
SW_Port_x_
Push_Cfg
8x 01 40 04
0p 0q 0r ff
Configure which push messages to
send for given port.
p=0/3: Configure port 0 or 3.
qr bit 0: Enable/disable SW_Input_
Push.
qr bit 1: Enable/disable SW_Sync_
Push.
qr bit 2: Enable/disable Enhanced
VISCA.
qr = 00 is default for both ports.
Switch control commands
Messages starting with 8x-01-40-<20..3f> are switch control commands.
Command
Set
Command
Packet
Comments
SW_Input_
Set
8x 01 40 20
0p ff
Sets which input to use.
p=0..5
This will generate a SW_Input_Push
on the THSI Visca port if issued from
the dual visca port and vice versa.
Communicating with the Video Switch,
continued..
15
Video Switch User guide
D14794.02 Video Switch User Guide, October 2012
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