Cisco GS7000 Troubleshooting Manual page 11

Troubleshooting
LED
U-RF
LEDs
LED Pattern or Color State Indicated
2 Hz Flash Pattern At least one upstream channel
configuration received (and a
MAP was received for that
channel), awaiting upstream
burst transmissions
4 Hz Flash Pattern First upstream transmission
recognized
Steadily Illuminated At least one CM has
successfully completed
upstream ranging
Unilluminated Upstream RF port fault or no
configuration
Reference: 2x2 RPD Module LEDs
Notes
Indicates that the RPD has received and
applied at least one upstream channel
configuration
Indicates at least one CM's burst
transmission has been received
Upstream deemed operational
Fault detected in US RF port or no
configuration received
Troubleshooting
11