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User Reference and Installation Guide
6-14
© 2006 Microwave Data Systems Inc. All Rights Reserved.
MDS FOUR.9 Series
05-4561A01, Rev. A
Alarm
Affected
Component
Description
LED to
RED
Alarm
Code
Severity
STM LP-RFI
lkm
IDU
The SDH/SONET Mux/Demux
LP number ‘x’ has a Remote
Fault Indication. Fault detection
via polling of LP_RFI_T bit in
STM-1 Core. Where ‘lkm’ is the
LP index as LKM numbering.
Alternate detection via Interrupt
enabled in STM-1 core.
N/A
Solid
Critical
STM LP-BIP2
lkm
IDU
The SDH/SONET Mux/Demux
LP number ‘x’ has a CRC Error.
Fault detection via polling of
LP_BIP2_T bit in STM-1 Core.
Where ‘lkm’ is the LP index as
LKM numbering. Alternate
detection via Interrupt enabled in
STM-1 core.
N/A
Solid
Major
6.2 Abbreviations & Acronyms
AIS
Alarm Indication Signal
BER
Bit Error Rate
Codec
Coder-Decoder
CPU
Central Processing Unit
DB
Decibel
DBm
Decibel relative to 1 mW
DCE
Data Circuit-Terminating Equipment
DTE
Data Terminal Equipment
EIRP
Effective Isotropic Radiated Power
FCC
Federal Communications Commission
FEC
Forward Error Correction
FPGA
Field Programmable Gate Array
GPIO
General Purpose Input/Output
IF
Intermediate frequency
IP
Internet Protocol
LED
Light-emitting diode
Содержание FOUR.9 Series
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