Table of Contents
Advertisement
DEFINITY Enterprise Communication Server Release 9
Installation and Maintenance for Survivable Remote EPN 555-233-121
About This Document
About This Document
The Survivable Remote EPN (SREPN) is a disaster recovery operation rather
than an additional reliability option. As such, the SREPN, if administered properly,
provides phone service to users on the remote EPN when the link to the main R9r
processor fails or is broken, or when the R9r processor or center stage fails.
The SREPN can be both a single carrier cabinet and a multicarrier cabinet. The
survivable remote processor (SRP) is available only as a single carrier cabinet
and does not hold any port cards. You install and administer the SRP (with its
associated SREPN) as if it were a standalone R9si with its own dial plan and
AAR/ARS patterns. This means that you must administer the SRP ( in addition to
the R9r PPN ) for all phones and other equipment connected to SREPN. Ideally,
you will administer equipment on the SRP to duplicate, as much as possible, the
service provided by the R9r PPN. Given that the R9r PPN is independantly
administered from the SRP, only those translations administered on the SRP will
operate when a failure occurs.
This book provides installation and maintenance procedures for technicians
installing and maintaining the Survivable Remote Expansion Port Network
(SREPN).
The Survivable Remote Processor (SRP) is a TN2404-based processor complex
collocated with the remote EPN cabinet. The SRP and its EPN cabinet are
connected with fiber optic cabling.
The EPN can be remoted over fiber optic cables through the Switch Node
Interface (SNI) and Expansion Interface (EI) circuit packs or over DS1-CONV.
Issue 2
November 2000
vii
Advertisement
Table of Contents
