7-48 Broadmore 1750 - Release 4.6
Configuration
Unstructured DS3 SAM
Table 7-6: Service Alarm Definitions
Sequence Errors This alarm indicates that fram es are out of sequence as they arrive at the DS3
port.
Excessive SNP Errors SNP Errors are errors that occur in the Sequenc e Numbe r Parity portion of the
DS3 frame
Excessive F-bit Errors The Excessive F-bit Errors alar m is triggered when the DS3 port receives
F-bit errors at a rate of 1 x 10-4
Excessive Parity Errors The Excessive Parity Errors alarm will be triggered when the DS3 port
receives parity errors at a rate of 1 x 10-4
Excessive C-bit Errors The Excessive C-bit Errors alarm will be triggered when the DS3 port
receives C-bit errors at a rate of 1 x 10-4
Excessive FEBE Errors The Excessive FEBE (Far End Block Error) alarm is triggered when the DS3
port receives FEBEs at a rate of 1 x 10-4
Service Alarm Definition
LOS Loss Of Signal indicates that there is no signal being input to the DS3 from the
service side.
LOF Loss of Framing indicates that the framing alignment of the sig nal coming
into the Broadmore 1700 from the ATM side has been lost.
AIS This alarm indicates that the DS3 port is receiving an Alarm Indication Signal
from the attached equipment. AIS is a validly framed DS3 signal consisting
of a repeated 1010 data pattern.
Idle An idle alarm means that an idle signal (validly framed DS3 signal with a
repeated 1100 signal) is being detected on the service side.
RAI The Remote Alarm Indicator (also known as a Yellow Alarm) is transmitted by
setting the X bits to zero. In this instance, the service side equipment is
transmitting the RAI to the DS3 port.
FEAC Far End Alarm and Control Channel.