LED Status Summary
The following table summarizes the meaning of the status LEDs.
LED
Function
Pwr
Power LED
(Note: this LED is not tied
directly to line power)
DS
Downstream LED: Indicates
status with respect to
downstream scanning and
synchronization.
US
Upstream LED: Indicates status
with respect to acquisition of
upstream parameters and initial
ranging.
Online
Online LED: Indicates status
with respect to the completion of
the IP initialization process and
when the unit is operational.
Elink
CPE Link LED: Indicates status
with respect to the bridging of
data to and from a CPE device
connected to the transponder's
Ethernet port.
Stat
Status LED: Indicates the
presence or absence of data
transference between the
transponder's two processors.
4037424 Rev A
State
Meaning
Off
The transponder is switched off
or is not functioning.
On
The transponder is on.
Blinking
The transponder is scanning for a
downstream DOCSIS channel.
On
The transponder has locked onto
and synchronized with a
downstream DOCSIS channel.
Blinking
The transponder is obtaining
upstream parameters and is
performing initial ranging.
On
The transponder has completed a
successful initial ranging
sequence.
Blinking
The transponder is currently
involved in the IP initialization
process.
On
The transponder has completed
the IP initialization process and is
operational.
Off
A CPE device is not connected to
the transponder's Ethernet port.
Blinking
The transponder is bridging data
to/from a CPE device.
Off
Data is not being transferred
between the two processors.
Blinking
Data is being transferred between
the two processors.
Checking the LEDs
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