11
2.3
Operational elements at the front side
The system has an illuminated graphical display with a resolution of 160 x 32 pixel
and 19 operating buttons.
On the right next to the display there are two softkeys whose current functions are
indicated on the display. In the middle there are two cursor buttons
(upwards/downwards), two buttons for accepting/dropping calls as well as an OK
button. The numerical pad supports in addition to the numerical characters 0...9,
the ’*’- and ’#’-key. For text entries the numerical pad can also be used as a normal
keypad.
2.4
Front status LEDs
The system has five LEDs for status indication at the front side.
•
POWER
green
Permanent green:
when system is ready for operation.
•
SYNC
green or red flashing
Provides a common signal based on the status of INFO 1 and INFO 2.
Permanent green:
One codec connection: INFO1 or INFO2 lights green
Permanent green:
Two codecs connections: INFO1 and INFO2 lights green
Flashes red:
One codec connection: INFO1 or INFO2 flashes red
Flashes red:
Two Codecs connections: INFO1 or INFO2 or both flash red.
•
ALARM
red or red flashing
Permanent red:
in case of System alarms: Hardware alarms such as
Ethernet 1, 2 or 3 interface error, DSP1 or 2 error, overheating etc.
Flashes red:
in case of Application alarms: AES/EBU interfaces are
configured as interfaces for Codec 1 or Codec 2 and AES/EBU input signal
is missing
•
INFO 1/2
green or red flashing
Bi-directional connection
Permanent green:
Codec 1/2 is connected, and Decoder 1/2 is
synchronized
Flashes red:
Codec 1/2 is connected, but Decoder 1/2 is not synchronized.
Unidirectional connection
Permanent green:
Encoder 1/2 is connected
