Display Elements; Controls; Reset Button - Hitachi EDS500 Series Manual

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Display Elements

4.6
Display Elements
LED
Power
RTS
CTS
DCD
SQL
EQZ
Con0
Alarm
4.7

Controls

4.7.1

Reset Button

Pressing the reset button restarts the device and loads the saved configuration (startup-config or
stick-config). As a protection against accidental triggering, the reset button is in a concealed place
and can be reached with a pointed tool (e.g. paper clip).
If the reset button is pressed for more than 5 s, the modem enters firmware update mode.
If the running configuration (= running-config) does not match the saved configuration (= startup-
config) it is lost with the restart.
26
Description
Voltage Supply
Request to send
Clear to send
Data carrier detected
Signal quality level
Equalizer
Con0 activity
Alarm
Function
off
Device is without power supply
green
Power supply switched on
off
DTE does not send
green
DTE requests to send via the
modem
off
CTS inactive
green
The CTS is switched on when
the carrier is being established.
A transmit delay time of 20-30ms
has to be adjusted in DTE set-
tings.
off
No signal received
green
Modem signal received
off
Signal quality o.k.
red
• signal quality (SQ) below the
SQ threshold more than 10
times within 4 seconds
• no carrier is detected for more
than a baudrate dependent
time
off
tranmitter/ receiver test function
inactive
flash yellow
0 Hz = best result
25 Hz = worst result
off
No activity on the Con0 interface
flash green
Data is transmitted via Con0
off
No alarm
flash red
Warning
red
Alarm
A D V I C E
Device description
1KGT151042 V001 1

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