Communication Server Large System Installation and Commissioning

System information Page 25 of 456
Communication Server 1000M and Meridian 1 Large System Installation and Commissioning
• Meridian 1 Option 51
• Meridian 1 PBX 51C
• Meridian 1 PBX 61C
• Meridian 1 Option 71
•Meridian1 PBX81
• Meridian 1 PBX 81C
Note: When upgrading software, memory upgrades may be required on
the Signaling Server, the Call Server, or both.
System migration
When particular Meridian 1 systems are upgraded to run CS 1000
Release 5.5 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 Communication Server 1000M and Meridian 1
Large System Upgrade NTPs (NN43021-458 – NN43021-475).
Intended audience
This document is intended for individuals responsible for installing and
configuring Large Systems. To use this document, you should have a basic
knowledge of Large System equipment and operation. Contact Nortel for
information on installation courses. You should also read and fully
Table 1
Meridian 1 systems to CS 1000M systems
This Meridian 1 system... Maps to this CS 1000M system
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