DCN-2 CENTRAL EXCHANGE
User Manual
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2.5.4 Product functionality control
Available DCN-2 indicators status depending on the mode of operation are shown in
Table 4.
Table 4 – Available DCN-2 indicators status
(beginning)
Indicator
State
Comment
4E1 Board Indicator
(S1…S4)
Extinguished
Board is faulty
Solid red
No connection to the CPU via USB
Flashing red
No connection to the CPU via USB
Solid Green
Board is faulty
Flashing green
The unit is active, the board is operational
Е1 Port Indicator
(1…16)
Extinguished
No configuration
Solid red
The port is faulty or not connected
Flashing red
The first (physical) level port is activated
Solid Green
External PABX attached
Flashing green
DCN-16 connected
CPU1 Indicator
(upper)
Extinguished
Working program loading mode
Solid red
Working program loading mode
Flashing red
Working program loading mode
Solid Green
Working program loading mode
Flashing green
The normal state of CPU
DSP1 Indicator
(upper)
Extinguished
Working program loading mode or DSP is
faulty
Solid red
Working program loading mode or DSP is
faulty
Flashing red
Working program loading mode or DSP is
faulty
Solid Green
Working program loading mode or DSP is
faulty
Flashing green
The normal state of DSP
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