GMC200 Media Converter System User Guide
11
There are six diagnostic and status LEDs on the face panel of media
converter card, which are used as the indications of power, optical and UTP
ports. As mentioned before, the media converter plug-in card is hot
swappable. The card also offers power down and up detection features (dying
gasp), which will automatic send the power down or power up alarm to the
network management system via in-band OAM frame, if the power supply
voltage drops to dangerous level or comes back to normal level. The following
table shows the LED descriptions.
Label
Type
Color
State
Description
On
The converter is power on
PWR
Power status Red
Off
The converter is power off
On
The converter is in 100BASE-
TX mode
TP/SPD
Speed
Indicator
Yellow
Off
The converter is in 10BASE-
TX mode
On
The 10/100BASE-TX port is
in full duplex mode
TP/FDX
Full-duplex/
half duplex
Indicator
Yellow
Off
The 10/100BASE-TX port is
in half duplex mode
On
The RFD function is enabled
RFD
Remote
Failure
Detection
Red
Off
The RFD function is disabled
On
Valid communication link
established
Blinking Indicates network activity for
the corresponding port
TP
/LNK/ACT
Link status
and Port
activity
Green
Off
The link condition is poor or
there is no connection to this
port
On
Valid communication link
established
Blinking Indicates network activity for
the corresponding port
Fiber
LNK/ACT
Link status
and Port
activity
Green
Off
The link condition is poor or
there is no connection to this
port
The following figure shows the LED assignments for all available 100
Base-FX converter types.
