Comm-Tec SW-81VA-2, User Manual

Page: 8 / 12

User Manual SW-81VA-2
COMM-TEC GMBH SIEMENSSTRASSE 14 T49(0)7161/3000-0 WWW.COMM-TEC.DE
D-73066 UHINGEN T49(0)7161/3000-333 SALES@COMM-TEC.DE
8.0 RS-232 Control and Commands
All functions of the SW-81VA-2 can be controlled with external controllers like
computers or third party controllers (e.g. AMX, RTI). A serial controller is any device
that is connected to the standard RS-232 serial port (25pin SubD female) on the
rear panel and that can send and receive ASCII character format.
Fixed settings for serial communication with the SW-81VA-2 are:
Tx must be connected to pin # 12 of the 25pin
SubD female REMOTE connector.
Ground is pin # 25.
In the table the hex commands and their dedicated functions are listed in order to
control the SW-81VA-2 by RS-232 (Input 9 to 29 for CASCADE function).
Hex
Command Function
Hex
Command Function
Hex
Command Function
31h Input 1 3Bh Input 11 45h Input 21
32h Input 2 3Ch Input 12 46h Input 22
33h Input 3 3Dh Input 13 47h Input 23
34h Input 4 3Eh Input 14 48h Input 24
35h Input 5 3Fh Input 15 49h Input 25
36h Input 6 40h Input 16 4Ah Input 26
37h Input 7 41h Input 17 4Bh Input 27
38h Input 8 42h Input 18 4Ch Input 28
39h Input 9 43h Input 19 4Dh Input 29
3Ah Input 10 44h Input 20
Baud Rate 9600
Data Bits 8
Stop bit 1
Parity None
Hex
Command
Function Note
52h Autosequence effective only for single unit
53h Autoswitching effective for single and cascaded unit(s)
54h Mute Video only effective for single and cascaded unit(s)
55h Mute Audio only effective for single and cascaded unit(s)
56h Mute Video + Audio effective for single and cascaded unit(s)