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PPP-PT (Control LAN Packet/Port)
Issue 1 June 2005 1893
PPP-PT (Control LAN Packet/Port)
S8700 | 8710 / S8500
The TN799DP Control LAN (C-LAN) packet port circuit pack provides TCP/IP connection to
adjuncts applications such as CMS, INTUITY, and DCS Networking. The C-LAN circuit pack has
1 10baseT Ethernet connection and up to 16 DS0 physical interfaces for PPP connections.
Multiple C-LAN circuit packs in a system gives additional TCP/IP capacity.
An RSCL (remote socket control link) connects the C-LAN and the media server to pass
call-control and other management information. Since one link serves every port on the circuit
pack, maintenance of the RSCL is part of the C-LAN circuit pack maintenance.
Note:
Note: The TN799DP C-LAN circuit pack combines the functions of the PGATE and PI
circuit packs into one circuit pack. The PGATE or PI can be used with the C-LAN
to create an X.25 to TCP/IP bridge for adjunct and DCS connectivity.
Control LAN Congestion Controls
The switch activates congestion controls on C-LAN when it detects buffers exceeding the
threshold. The switch releases the congestion controls when the C-LAN reports that its buffer
level has returned to normal levels.
MO Name in
Alarm Log
Alarm
Level
Initial SAT Command to Run Full Name of MO
PPP-PT MAJ test port location long PPP Port Maintenance
PPP-PT MIN test port location long PPP Port Maintenance
PPP-PT WRN test port location PPP Port Maintenance
If congestion: Then the switch:
Persists for a 14-minute interval Raises MINOR alarm
Exhausts buffers Raises MINOR alarm
Ceases for 12 minutes Retires MINOR alarm