Seagate ST31230N/ND Guía de instalación descargar pdf (Pagina 124)

9-6 Installing the EC 11 to Meridian 1 Option 11 switch interface

Determining the number of MGate cards needed

Standard 1.0 Option 11 EC Installation and Maintenance Guide November 1999

Determining the number of MGate cards needed

Determining the

number of MGate

cards for an Option 11

switch

The number of physical channels on your system determines

the number of MGate cards needed in the Option 11 switch.

The physical channels may be configured for voice or

multimedia use.

Each network loop cable connects to the Option 11 switch

through a separate MGate card. An MGate card can handle as

many as 16 voice circuits. Each MGate card connects to the

EC 11 through a port on a Utility card in node 1 or node 2.

An Option 11 switch can have as many as three MGate cards,

which provide the network loop interface. All MGate cards

must reside in the same Option 11 cabinet (up to three in the

main cabinet, two in the first expansion cabinet, or three in

the second expansion cabinet) with NLI cables of the same

length. This corresponds to 48 voice circuits terminated on

three ports on utility cards in the EC 11.

For every 16 voice channels, you need

• one MGate card in the Option 11 switch

• one network loop cable

• one port on a Utility card in the EC 11

ATTENTION

All MGate cards must reside in the same Option 11

cabinet and all NLI cables must be of the same length.

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Seagate ST31230N/ND Guía de instalación Pagina 124