Description 19
When the main power is cut off to the system, optional Power Failure Transfer Units (PFTU) connect predetermined analog
Chassis system
The Meridian 1 PBX 11C Chassis is a small digital communication system that consists of a Chassis plus an optional Chassis Expander. Two copper cables connect the Chassis Expander to the Chassis. In addition, the Chassis system can be expanded to include up to four Chassis (or Chassis + Chassis Expander pairs).
The Chassis system can be mounted:
•in a
•on a wall in a vertical position
•on a wall in a horizontal position
The CS 1000M Chassis is a Small System with a Signaling Server in the network configuration.
If a Signaling Server is added to a previously CISPR Class B system (previously used in some specific countries), the system is now compliant to Class A.
The Chassis system can be expanded using either fiber or IP connectivity, or a mixture of both. Refer to
A Chassis with Chassis Expander can support up to 160 lines or up to 1000 IP Phones. A fully expanded Chassis system can support up to 720 lines or up to 1000 IP Phones.
Note: When the term "Main" is used on its own, it refers to a Main Chassis. When the term "Expansion" is used on its own, it refers to an Expansion Chassis.
Card slot specifications
The Main Chassis has five card slots, two of which are dedicated: slot
0 is dedicated to the Small System Controller (SSC) card, and slot 4 is dedicated to the
The Chassis Expander has four card slots. The Expander supports Meridian Mail in slot 10 only. You can place any IPE card in slots 7, 8, 9, and 10. The
Nortel Communication Server 1000
Communication Server 1000M and Meridian 1 Small System Overview
Release 5.0 30 May 2007
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