Table 28: Alarm State Interactions - Alcatel-Lucent 7750 SR OS Interface Configuration Manual

Configuring Ports

Table 28: Alarm State Interactions

Content of the Received Signal
Local Local Local
Signal Frame Payld
Y Y Y
Y Y Y
Y Y Y
Y Y Y
Y Y Y
Y Prob N/A
AIS N/A N/A
Prob N/A N/A
DS3 path configured for PLCP mapping:
•
•
•
•
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Local Far End
PLCP Framing
Framing
Y Y
Y Y
Y Prob
Prob Y
Prob Prob
N/A N/A
N/A N/A
N/A N/A
Supports transmit and receive of the Ax, Px and C1 bits.
Ignores the received Z1, Z2, Z3 octets of the PLCP frame and transmits all zeros in the Z1,
Z2, Z3 octets of the PLCP frame.
Ignores the received F1 octet of the PLCP frame, and transmits all zeros in the F1 octet of
the PLCP frame.
Samples and uses for performance monitoring received FEBE bits of G1 octet and
transmits the number of BIP-8 errors detected by the receive framer using the FEBE bits
of the G1 octet.Detects a PLCP Far End Alarm when 10 consecutive PLCP frames are
received with the RAI bit set, and transmits a set RAI bit when the local port has declared
Far End Path
PLCP Sonet
Framing Alarm
Status
Y None
Prob None
Prob RDI
N/A None
N/A RDI
N/A LOF
N/A AIS
N/A LOS
7750 SR OS Interface Configuration Guide
Status Field Values
Path Oper Atm
Status Interface
Oper
Status
Up Up
Up Lower
Layer
Down
Down Lower
Layer
Down
Up Lower
Layer
Down
Down Lower
Layer
Down
Down Lower
Layer
Down
Down Lower
Layer
Down
Down Lower
Layer
Down
PLCP
Alarm
State
No Alarm
Far End
Alarm Rx
Far End
Alarm Rx
Incoming
LOF
Incoming
LOF
Incoming
LOF
Incoming
LOF
Incoming
LOF