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Audio/Video Switchers • RS-232/Remote Control
Audio/Video Switchers • RS-232/Remote Control
RS-232/Remote Control, cont’d
Using the command/response table
The command/response table is on the next page. Lower case
letters are allowed in the command field only as indicated.
Symbols are used throughout the table to represent variables in
the command/response fields. Command and response
examples are shown throughout the table. The ASCII to HEX
conversion table below is for use with the command/response
table.
Symbol definitions
= CR/LF (carriage return/line feed) (0x0D 0A)
• = space
X1
= Input number 0 through 6 (0 = muted
output
X2
= Gain/attenuation value 16 steps ±1dB per step
X3
= Gain/attenuation value Numeric dB value, –15 to +9
X4
= Switch mode 1 = normal (manual) mode
2 = auto-switch mode
X5
= Software version x.xx
X6
= C, V, or A C = channel (audio & video)
V = video
A = audio
X7
= 6 Total number of inputs
ASCII to HEX Conversion Table
Space
4-54-4
Command/response table for SIS commands
Command ASCII Command Response Additional description
(host to switcher) (switcher to host)
Input selection
Select video/audio input
X1
!
X6
X1
Select input
X1
entire channel.
Example (SW6 AV MX): 5!
C5 Select input 5 video and audio.
Example (SW6 SV MX): 5!
V5 Select input 5 video only.
Example (SW6 SA MX): 5!
A5 Select input 5 audio only.
Select video input only
X1
& V
X1
Select input
X1
video only (audio breakaway).
Select audio input only
X1
$ A
X1
Select input
X1
audio only (audio breakaway).
Audio gain and attenuation
Set gain
X1
*
X2
G IN
X1
•AUD=
X3
Set gain for input
X1
to
X2
dB.
Example: 4*3G
IN4•AUD=3 Set gain for input 4 to 3dB.
Set attenuation
X1
*
X2
g IN
X1
•AUD=
X3
Set attenuation for input
X1
to
X2
dB.
Front panel mode
Set switching mode #
X4
F
X4
Set switch mode to
X4
.
Example #2
F2 Set switch mode to auto (auto-switch).
View, information, part number, and firmware requests
View gain or attenuation V
X1
G IN
X1
•AUD=
X3
View gain for input
X1
.
Example V4G
IN4•AUD=-3 Attenuation for input 4 is set to -3dB.
Information request I/i
V
X1
•A
X1
•F
X4
•QVER
X5
•M
X7
Example V2•A2•F2•QVER1.23•M6 Video input 2; audio input 2; front panel mode
auto; software version 1.23; total # of inputs = 6.
Request for part number N/n
N60-358-02 60-358-02 = SW6 SV A MX Auto.
Query software version Q/q
QVER
X5
Software version 1.23.