SIP Hardware Installation Manual
22
Document #: LTRT-94701
3000 Series Gateways & Media Servers
Table
2-9: PSTN LEDs (STM-1/OC-3 or T3 Interface) Description
Interface
Label
Color Status
Description
Green
On
Working (active) link established.
Yellow
On
Protection (standby) link established.
LINK
--
Off No
link.
Indicates one of the following alarms:
Status
SDH
SONET
Loss of Signal LOS
LOS
Loss of Frame RS-LOF
(RS = Regenerator
Section)
LOF
Alarm Indication
Signal
MS-AIS
(MS = Multiplex
Section)
AIS-L
(L = Line)
Red
On
Remote Defect
Indication
MS-RDI
(MS = Multiplex
Section)
RDI-L
(L = Line)
STM-1/OC-3
A & B
ALRM
--
Off
Normal operation -- no alarm.
Green
On
T3 is synchronized.
Yellow
On
RAI (Remote Alarm Indication) -- 'Yellow Alarm'.
LINK
--
Off No
link.
Red
On
Traffic loss due to one of the following signals:
LOS (Loss of Signal)
LFA (Loss of Frame Alignment)
AIS (Alarm Indication Signal) -- 'Blue Alarm'
T3
A, B, & C
ALRM
--
Off
No Near End Alarms.
Table
2-10: cPCI LEDs
Label
Color
Status
Description
Green
On
Blade receiving power.
PWR
--
Off
No power received by blade.
Blue
On
The blade can now be fully removed or inserted.
SWAP READY
--
Off
The blade has been inserted successfully.
