SWITCHERS
5 |
| GND |
MX2226AT Terminal Block |
| |
|
|
|
PC |
| MX2226AT Terminal |
IBM PIN No. |
| block pin |
2 |
| RX |
3 |
| TX |
7 |
| GND |
Port settings of the control system or computer being used to control the MX2226AT Switcher should be set as follows:
BAUD Rate bps (Bits per second): 2400
Data Bits: 8
Parity: None
Stop Bits: 1
There is no software or hardware flow control implemented. The
7.3 RS-232 CONTROL COMMANDS
The standard
[INP1] Select input 1
[INP2] Select input 2
[INP3] Select input 3
[INP4] Select input 4
[INP5] Select input 5
[INP6] Select input 6
[RSET] Reset unit to user defaults [VERN] Returns firmware version number
8
After processing a valid command, an [OK] string will be returned, followed by a command echo. For instance, if a command, [INP1] is sent to the MX2226AT Switcher, it would return the feedback as [OK] [INP1]. The only exception is that with the [VERN] command, which is the corresponding firmware version of the switcher, [1.0] is returned as feedback.
If a command is not recognized by the switcher, an error string, [ERR], will be returned. Any command other than the previously listed commands will also return [ERR] feedback.
If the control system being used is not set up to, pause for the [OK] string, it is important to include a
The [RSET] function requires at least one minute of processing time. If the Sync Delay function is used, a
If a key is pressed on the front panel, a feedback string is transmitted. This is done to inform a control system that the key has been pressed. This feature allows several switchers used simultaneously to operate in tandem.
7.4 FEEDBACK CODES
Key | Description | Feedback code |
pressed |
|
|
INPUT 1 | Input Select | [OK] [INP1] |
INPUT 2 | Input Select | [INP2] |
INPUT 3 | Input Select | [INP3] |
INPUT 4 | Input Select | [INP4] |
INPUT 5 | Input Select | [INP5] |
INPUT 6 | Input Select | [INP6] |
STEP | Step Input select |
|
ALL OFF | Disable All Inputs | [INP0] |
RESET | Reset the Switcher | [RSET] [INPx] |
| (x= default input) | |
|
| |
VIDEO | Video RGB |
|
OFF | (ON/OFF) |
|
| Sync Delay |
|
DELAY | Switching |
|
| Enabled/Disabled |
|
8