
1-6 Introduction to Meridian Mail Modular Option EC
Hardware
Standard 1.0 Modular Option EC Installation and Maintenance Guide November 1999
the module. An external voice bus (EVB) cable connects nodes
located in separate modules.
The Meridian Mail system can be shadowed or unshadowed,
which results in the following possible configurations:
• 1-node unshadowed • 1-node shadowed
• 2-node unshadowed • 2-node shadowed
• 3-node unshadowed • 3-node shadowed
• 4-node unshadowed • 4-node shadowed
• 5-node unshadowed • 5-node shadowed
Every node is equipped with
• one or two hard drives, if you choose the disk-shadowing
option
• one CPU card (Enhanced MMP40 card with 16 Mbytes of
DRAM)
• one or more voice processors (VP) with either four or eight
ports (except for node 1 of a 3- to 5-node system)
In addition to the above components, each system is equipped
with
• one tape drive (in node one)
• one or two utility cards (depending on system size)
• modems for remote administration and troubleshooting
• modems for networking (optional)
Enhanced MMP40
card
The Enhanced MMP40 card has the following capabilities:
• 16 Mbytes of DRAM
• 24 MHz 68040 processor
• up to 24 voice ports in a 1-node system
• up to 48 voice ports in a 2-node system
• up to 24 voice ports per voice node in a 3- to 5-node system
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