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DEFINITY ECS Release 8.2 Maintenance for R8.2csi
555-233-119 Issue 1
April 2000
Maintenance Objects
3-347CLAN-BD (Control LAN Circuit Pack)
3
CLAN-BD (Control LAN Circuit Pack)
Control LAN Circuit Pack
The TN799 Control LAN (CLAN) packet port circuit pack provides TCP/IP
connection to adjuncts applications such as CMS, Intuity, and DCS Networking.
The CLAN circuit pack has 1 10baseT Ethernet connection and up to 16 DS0
physical interfaces for PPP connections. In addition to the TCP/IP functionality,
CLAN extends the ISDN capabilities for csi models by providing Packet bus
access.
A remote socket control link (RSCL) links the CLAN and the SPE to pass call
control and other management information. Since one link serves all the ports on
the circuit pack, maintenance of the RSCL is part of the CLAN circuit pack
maintenance.
The CLAN TN799 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 CLAN to
create an X.25-to-TCP/IP bridge for adjunct and DCS connectivity.
Control LAN Congestion Controls
The switch activates congestion controls on CLAN when it detects buffers
exceeding the threshold. The switch releases the congestion controls when the
CLAN reports that its buffer level has returned to normal levels.
MO Name (in
Alarm Log)
Alarm
Level Initial Command to Run
1
1. UU is the universal cabinet number (1 for PPN, 2 - 44 for EPNs). C is the carrier designation (A, B, C,
D, or E). SS is the number of the slot in which the circuit pack resides (01 to 21).
Full Name of MO
CLAN-BD MINOR test board UUCSS long Control LAN Circuit Pack
CLAN-BD WARNING test board UUCSS short Control LAN Circuit Pack
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.