CLAN-BD (Control LAN Circuit Pack)
Issue 5 October 2002
875
555-233-119
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 provides DCS signaling over TCP/IP, and the
PGATE and PI circuit packs provide DCS over X.25. Use PGATE or PI boards
with CLAN to create an X.25-to-TCP/IP bridge for adjunct and DCS connectivity.
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. 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.