User manual

Modular Matrix Switcher 8x8 (with Audio)
PTN Electronics Limited 16 www.PTN-electronics.com
No. Function
1 N/u Unused
2 Tx Transmit
3 Rx Receive
4 N/u Unused
5 Gnd Ground
6 N/u Unused
7 N/u Unused
8 N/u Unused
9 N/u Unused
When MMX88A connects to the RS232 port of a computer with control software, users
can control it by that computer. To control the switcher, users need to use RS232 control
software.
4.3.2. RS232 Communication Commands
With this command system, users are able to control and operate the MMX88A with
RS232 software remotely.
Communication protocol: Baud rate: 9600; Data bit: 8; Stop bit: 1; Parity bit: none.
Type
Command
Description
Commands for Main Unit
/*Type;
Inquire the models information.
/%Lock;
Lock the keyboard of the control panel on the
Matrix.
/%Unlock;
Unlock the keyboard of the control panel on the
Matrix.
/^Version; Inquire the version of firmware
/:MessageOff;
Turn off the feedback command from the com
port. It will only show the “switcher OK”.
/:MessageOn;
Turn on the feedback command from the com
port.
Undo.
To cancel the previous operation.
Demo.
Switch to the “demo” mode, 1->1, 2->2, 3->3 …
and so on.
[x]All.
Transfer signals from the input channel [x] to all
output channels
All#.
Transfer all input signals to the corresponding
output channels respectively.
All$.
Switch off all the output channels.
[x]#.
Transfer signals from the input channel [x] to the
output channel [x].
[x]$.
Switch off the output channel [x].