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Overview
Gigaset T440 PRO / Gigaset T640 PRO / Admin Guide INT en / A31008-N2003-R103-2-7620 / overview.fm / 6/26/17
LEDs
LEDs on the front:
LED
Colour
State
Description
STATUS
Green
On
Device being used
Flashing
Device being restarted
Red
On
Fault on restart
POWER
Green
On
Power supply available
–
Off
No power supply
LED on port Colour
State
Description
LAN on right
(Ethernet)
Green
On
Ethernet connection established
Flashing
Port sending data
–
Off
No Ethernet connection
LAN on left
(PoE)
Yellow
On
The LAN port is powering the device connected (e.g. an
IP phone)
Flashing
Fast
Line overload or short-circuit detected – PoE not
enabled
Flashing
Slow
PoE loading on port, but the device has insufficient
current to provide the power required – PoE not enabled
–
Off
No current on the output line – PoE not enabled
FXS
Green
On
The phone connected is busy
Flashing
Extension being called
Red
On
Fault – not operational due to connection fault or SPI
fault (SPI=Serial Peripheral Interface)
–
Off
Phone receiver down or device without power
FXO
Green
On
FXO line is busy to the PABX
Flashing
PABX signalling
Red
On
Fault – not operational due to connection fault or SPI
fault
–
Off
Phone receiver down or device without power
BRI
Green
On
Physical Layer (Layer 1) synchronised (normal mode)
Red
On
Physical Layer (Layer 1) not synchronised
–
Off
Trunk group not active