Engineering Guidelines - Nortel CS 1000M HG Manual

Engineering guidelines

General system engineering guidelines for Large Systems are described in
Communication Server 1000M and Meridian 1 Large System Planning and
Engineering (NN43021-220). The following information deals specifically
with engineering guidelines for the Fiber Remote Multi-IPE Interface
planning and implementation. It also describes the fiber-optic interface
specifications and fiber-optic link characteristics.
Remote IPE capacity
The local system's physical capacity depends on the system's configuration
and size. Large Systems are designed to provide port capacities from
tens to thousands of ports. These ports are normally local; however, by
implementing Fiber Remote Multi-IPE Interface, many of these ports can be
located at one or more remote sites.
The overall maximum system capacity does not change by installing Fiber
Remote Multi-IPE Interface units to support distributed intelligent peripheral
equipment (subscriber loops) at Remote IPE sites. Fiber Remote Multi-IPE
Interface allows you to distribute the intelligent peripheral equipment at
long distances from the local system and provide the same functions and
features to remote subscribers as to local subscribers.
The Fiber Remote IPE capacity can be tailored according to port capacity
requirements at the remote site. When planning a Remote IPE site, you
must determine the number of IPE cards required to support the existing
and future traffic needs and the call blocking tolerance.
A Remote IPE column consists of a pedestal, from one to four IPE modules,
and a top cap. One IPE module supports up to 16 line cards, or 256 ports if
each line card has 16 ports (other IPE cards may have a different number of
ports). If more ports are required, additional IPE modules can be added to
the column. A column contains a maximum of four IPE modules providing
a maximum of 1024 subscriber loops. Each IPE module requires one
Peripheral Controller card located in the IPE module Cont card slot and a
corresponding one to four superloops provided in the local system by the
Superloop Network card(s).
Depending on the number of superloops required, the type of optical fiber
used in the link, the appropriate Fiber Remote Multi-IPE Interface unit
must be selected from
Remote IPE sites" (page
The number of superloops required to support a Remote IPE module
depends on the traffic requirements. If a non-blocking traffic condition is
required, the Remote IPE module requires a minimum of three superloops.
Copyright © 2007, Nortel Networks
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Table 3 "Equipment required to link local system to
18).
Nortel Communication Server 1000
Fiber Remote Multi-IPE Interface Fundamentals
NN43021-556 01.01 Standard
Release 5.0 30 May 2007
Engineering guidelines 31