4
Spectrum SONU Modem
Front Panel
LEDs
Color
Description
Status
Status Light
Blue
Red
White
• Powering Up:
Flashing
between On
Blue
and Off
• Finding Connection (PON Signal):
Pulsing
between
On
Blue
and
Off
• Normal Operation: On
Blue
• PON not operational:
Pulsing
On
Red
and
Off
• PON Loss of Signal:
Pulsing
between
On
Red
and
On
White
Voice
Status Light
Blue
• Voice Service Not Provisioned:
Off
• Voice Service Provisioned:
On
Blue
• Any Phone Off-Hook on Battery:
Flashing
between
On
Blue
and
Off
• Any Phone Off-Hook on AC power:
Pulsing
between
On
Blue
and
Off
• Unable to Establish Phone Network Connection:
Off
Firmware
Upgrade
Indication
• Loop ‘Status, Voice, Battery’ LEDs On Blue for 0.75 sec in 3 seconds each cycle
during Firmware Download
Status
LED ON
0
Status
LED Order
Time (sec.)
LED Action
.75
1.5
2.25
StatusLED OFF
Voice LED ON
LEDs will repeat until firmware download is complete
VoiceLED OFF
Battery LED ON
Battery
LED OFF
Voice
Battery
Status
Voice
Battery
Status
Voice
Battery
Status
Voice
Battery
Status
Status
FRONT PANEL LED BEHAVIOR AND LOCATION
The LED status lights are located on the top side of the device.
Voice LED
Status
Indicator
RGB LED
Battery LED
