Alcatel-Lucent 7750 User Manual

Interface Configuration
7750 SR Interface Configuration Guide Page 235
DS3 path configured for PLCP mapping:
• 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
Table 31: Alarm State Interactions
Content of the Received Signal Status Field Values
Local
Signal
Local
Frame
Local
Payld
Local
PLCP
Framing
Far End
Framing
Far End
PLCP
Framing
Path
Sonet
Alarm
Status
Path Oper
Status
Atm
Interface
Oper
Status
PLCP
Alarm
State
Y Y Y Y Y Y None Up Up No Alarm
Y Y Y Y Y Prob None Up Lower
Layer
Down
Far End
Alarm Rx
Y Y Y Y Prob Prob RDI Down Lower
Layer
Down
Far End
Alarm Rx
Y Y Y Prob Y N/A None Up Lower
Layer
Down
Incoming
LOF
YYY
Prob
Prob N/A RDI Down Lower
Layer
Down
Incoming
LOF
Y Prob N/A N/A N/A N/A LOF Down Lower
Layer
Down
Incoming
LOF
AIS N/A N/A N/A N/A N/A AIS Down Lower
Layer
Down
Incoming
LOF
Prob N/A N/A N/A N/A N/A LOS Down Lower
Layer
Down
Incoming
LOF

Alcatel-Lucent 7750 Specifications

General

Brand	Alcatel-Lucent
Model	7750
Category	Network Router
Language	English