Extron electronics MTPX Plus Series, User Manual

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Operation, cont’d
MTPX Plus Twisted Pair Matrix Switchers • Operation
3-50
3 . To change an input’s audio/RS-232 wire pair configuration , press and release
the input button to toggle that input’s configuration (figure 3-70).
2 1 3 4 5 6 7 8 9 16
INPUTS
Press and release the Input 8 button to toggle the configuration
of input 8’s audio/RS-232 wire pair (to audio, in this example).
Figure 3-70 — Audio/RS-232 selection
4 . Press and release an output button to exit the Serial Port and Audio/RS-232
Input Configuration mode (figure 3-71).
C O N T R O L
PRESET ENTER
I / O
VIDEO AUDIO
ESC VIEW
5
All Control, I/O, Input, and Output buttons
return to unlit or background illumination.
Press and release
an output button.
Figure 3-71 — Exit Serial Port and Audio/RS- 2 32 Input Configuration
mode
Selecting the rear panel Remote port protocol and baud rate
N The Remote port settings are protected when front panel Lock mode 2 is
selected. You can view the settings in Lock mode 2 but you cannot adjust them
from the front panel. See “Setting the front panel Locks ( Executive modes)” on
page 3-46.
The switcher can support either RS-232 or RS-422 serial communication protocol,
and can operate at 9600, 19200, 38400, and 115200 baud rates. The settings of these
variables can be viewed and changed from the front panel.
View and configure the switcher’s serial communications settings as follows:
1 . To enter Serial Port and Audio/RS-232 Input Configuration mode, simultaneously
press and hold all Control buttons (Enter, Preset, View, and Esc) (figure 3-72).
2 seconds
I / O
VIDEO AUDIO
C O N T R O L
PRESET ENTER
ESC VIEW
•
•
C O N T R O L
PRESET ENTER
ESC VIEW
The flashing Control button indicates the baud rate as follows:
Enter — 9600
Preset — 19200
View — 38400 Esc — 115200
The flashing I/O button indicates the protocol as follows:
Video — RS-232
Audio — RS-422/RS-485
In this example, the port is set to RS-232 at 9600 baud.
Press and hold the Enter, Preset,
View, and Esc buttons.
All Control buttons light with
one flashing. Both I/O buttons light
with one flashing.
The Input buttons indicate the
configuration of the secondary
wire pairs. See “Selecting the
TP wire pair secondary input”,
earlier in this chapter. NOTE
Figure 3-72 — RS-232/RS-422 and baud rate display