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6.4 Front Panel
The front panel comprises:
LEDs (light emitting diodes) that provide basic modem status
•
A LCD ( liquid crystal display) display that acts as the main user interface
•
A keypad for alphanumeric entry and menu selection.
•
6.4.1
LEDs
The five LEDs display w arning and fault information as show n below .
Unit Status
Rx Traffic
Tx Traffic
Test Mode
Tx Carrier
6.4.2
LCD Display
The backlit LCD is a graphical display formatted to give 3 lines of 40 text characters and
is highly legible even in strong ambient light. The right hand side of the display is
reserved for icons that indicate status information pertinent to keypad operation. These
icons are listed below . The contrast is adjustable and the backlight can be sw itched off or
on.
Vision Series Installation and Operating Handbook
Modem Front Panel
Off
Red
Unit fault
Not used
Rx fault or Rx
Not used
disabled
Tx fault or Tx
Not used
disabled
Normal mode
Not used
Carrier muted
Not used
Front Panel LED Status
Amber
Not used
Not used
Not used
Test mode
1-for-1 standby
6-7
Green
Unit OK
Rx OK
Tx OK
Not used
Carrier active
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