User's Manual

2-15
Table 2-2 DS3/OC3 Ring Flashing Patterns
CONTROLLER LOCATION CONTROLLER LED
RF CMD RPTR CMD RF IDLE RPTR IDLE
Scenario 1. Ring Operating Correctly
Ring Repeater – Master Radio On-long Off-
short
On-long Off-
short
On Off
All Ring Repeaters – Normal Radios On-long Off-
short
On-long Off-
short
Off Off
Scenario 2. Failed Repeater- RF Path Failure
Ring Repeater – Master Radio On-short Off-
long
On-short Off-
long
Off Off
Alarmed Ring Repeater – Normal
Radio
Off On and Off
Same
On Off
All Other Ring Repeaters – Normal
Radio
Ring Fail or
Ring Restore
Ring Fail or
Ring Restore
Off Off
Scenario 3. Failed Repeater- RPTR Link Failure
Ring Repeater – Master On-short Off-
long
On-short Off-
long
Off Off
Alarmed Ring Repeater – Normal
Radio
On and Off
Same
Off Off On
All Other Ring Repeaters – Normal
Radios
Ring Fail or
Ring Restore
Ring Fail or
Ring Restore
Off Off
Scenario 4. Failed Master- RPTR Link Failure
Alarmed Ring – Master Radio On-long Off-
short
Off Off On
Associated Ring Repeater – Normal
Radio
On and Off
Same
Off Off On
All Other Ring Repeaters – Normal
Radios
Ring Fail or
Ring Restore
Ring Fail or
Ring Restore
Off Off
Notes:
On-long Off-short duration indicates all ring normal pattern received.
On and Off Same duration indicates ring restore pattern received.
On-short Off-long duration indicates ring fail pattern received.