Nortel Networks Circuit Card User Manual

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System migration 
When particular Meridian 1 systems are upgraded to run CS 1000 
Release 4.5 software and configured to include a Signaling Server, they 
become CS 1000M systems. Table 1 lists each Meridian 1 system that 
supports an upgrade path to a CS 1000M system.
For more information, see one or more of the following NTPs:
Communication Server 1000M and Meridian 1: Small System Upgrade 
Procedures 
(553-3011-258)
Communication Server 1000M and Meridian 1: Large System Upgrade 
Procedures 
(553-3021-258)
Communication Server 1000S: Upgrade Procedures (553-3031-258)
Communication Server 1000E: Upgrade Procedures (553-3041-258)
Intended audience
This document is intended for individuals responsible for maintaining 
Internet Enabled systems.
Table 1
Meridian 1 systems to CS 1000M systems
This Meridian 1 system...
Maps to this CS 1000M system
Meridian 1 PBX 11C Chassis
CS 1000M Chassis
Meridian 1 PBX 11C Cabinet
CS 1000M Cabinet
Meridian 1 PBX 51C
CS 1000M Half Group
Meridian 1 PBX 61C
CS 1000M Single Group
Meridian 1 PBX 81
CS 1000M Multi Group
Meridian 1 PBX 81C
CS 1000M Multi Group