Install Additional Hardware
Add DCS Interface
SI Installation and Upgrades 593
June 2004
Save Translations (Packet Bus Support)
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1 If the system is high or critical reliability, type status system 1 and press Enter to verify that the
system is in the
active/standby mode.
2 Type save translation and press Enter. This instructs the system to take all translation
information in memory and write it to the translation cards.
3 If the system contains a TN750/B/C Announcement circuit pack, type restore announcements
and press Enter.
4 Update backup cards, if necessary.
Add DCS Interface
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This section includes general information on adding the DCS interface and the Task List: Add DCS on
page 594.
Systems in a Distributed Communications System (DCS) network are interconnected by both tie trunks
(for voice communications) and data links (for control and transparent feature information). These data
links, also called DCS signaling links, support the feature transparency.
Various subsets (depending on the specific configuration) of DS1 Interface circuit packs provide the
voice-communications interface. The TN799x Control LAN (C-LAN) circuit pack provides the data link
interface (between the processor and the physical signaling link).
In some configurations, the TN799x passes the signaling information over a separate ethernet network
(usually via a hub) to adjuncts applications such as CMS, Intuity, and DCS Networking. The C-LAN
circuit pack has one Ethernet connection and up to 16 DS0 physical interfaces for PPP connections. In
addition to the ethernet functionality, C-LAN extends the ISDN capabilities by providing packet bus
access. For use with an ethernet network, connect the appropriate pins of the I/O field to the hub. For
pinouts and diagrams, refer to Connector and Cable Diagrams (Pinout Charts)
on page 771.
In other configurations, the TN799x circuit pack carries signaling over point-to-point protocol (PPP) for
subsequent inclusion (via the switching fabric) in the same DS1 bitstream as the DSC voice
transmissions.
A remote socket control link (RSCL) links the C-LAN and the SPE to pass call control and other
management information. Because one link serves all the ports on the circuit pack, RSCL maintenance is
part of the C-LAN circuit pack maintenance.
For further information about DCS, refer to the Administration for Network Connectivity for Avaya
Communication Manager (555-233-504).
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