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3-51
MTPX Plus Twisted Pair Matrix Switchers • Operation
2. Release the Control buttons.
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 IffrontpanelLockmode2isselectedandyoutrytoperformstep3, the actions
areignoredandtheEnter,Video,andAudiobuttonsash.See“Settingthe
front panel Locks (Executivemodes)”onpage3-46.
3. To change a value, press and release the button that relates to the desired
value (figure 3-73).
C O N T R O L
PRESET
ENTER
I / O
VIDEO AUDIO
ESC VIEW
Press and release the button(s) to configure the port as
follows:
Baud rate:
Enter — 9600 Preset — 19200
View — 38400 Esc — 115200
Serial protocol:
Video — RS-232 Audio — RS-422/RS-485
The selected buttons blink and the others remain lit.
In this example, the port is set to RS-422 at 38400 baud.
Figure 3-73 — RS-232/RS-422 and baud rate selection
4. Press and release an output button to exit the SerialPortandAudio/RS-232
InputCongurationmode (figure 3-74).
C O N T R O L
PRESET
ENTER
I / O
VIDEO AUDIO
ESCVIEW
5
All Control and I/O buttons return to unlit or background illumination.
Press and release
an output button.
Figure 3-74 — Exit Serial Port and Audio/RS-232 Input Configuration
mode
Rear Panel Operations
The rear panel has a Reset button that initiates four levels of resets (numbered 1, 3,
4, and 5 for the sake of comparison with an Extron IPL product). The Reset button
is recessed, so use a pointed stylus, ballpoint pen, or Extron Tweeker to access it.
See the table on the next page for a summary of the modes.
C
Reviewtheresetmodescarefully.Usingthewrongresetmodemayresult
in unintended loss of flash memory programming, port reassignment, or a
controller reboot.
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 TheresetmodeslistedonthenextpagecloseallopenIPandTelnetconnections
and close all sockets. Also, the following modes are separate functions, not a
continuation from Mode 1 to Mode 5.