Seagate ST31230N/ND Guia de Instalação descarregar pdf (Página 22)

1-8 Introduction to Meridian Mail Option 11 EC

Hardware

Standard 1.0 Option 11 EC Installation and Maintenance Guide November 1999

Hardware

EC 11 hardware

features

The EC 11 has the following features:

• an AC-powered system with optional battery backup

• the ability to allow one or two voice processing nodes to

share a single cabinet

• apron panel I/O connectors

• optional disk shadowing to provide protection against

loss of data if a disk fails

• as many as 400 hours of message storage space using 2.0

Gbyte disk drives

• as many as 48 ports of voice mail

• an external tape drive for software installation and

system backup

EC 11 hardware

configuration

The EC 11 uses existing slots in an Option 11 cabinet with a

new backplane, a modified power supply in the left-most

position, and a Mass Storage Unit with as many as four disk

drives (for a two-node, shadowed system) in the right-most

position.

The remaining ten slots are divided between the two nodes

(five slots per node). Each node occupies

• one slot for the Utility printed circuit pack (PCP) or

Meridian Mail bus terminator card

• one slot for the Enhanced MMP40 or MMP40 CPU

• three slots for the VP8 (or VP4) voice processor cards

Meridian 1 Option 11

new hardware

The MGate card was developed to facilitate PCM data

connectivity between Nortel’s switching systems (for

example, Meridian 1), and multimedia applications servers

(for example, Meridian Mail). It emulates an IPE line card

and can be used in the Option 11 switch. The Meridian 1

Option 11 switch does not support NLI signaling, but does

support the DS30X interface. The MGate card translates

DS30X signaling to NLI signaling, which is used by

Meridian Mail.

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Seagate ST31230N/ND Guia de Instalação Página 22