Comtech EF Data Vipersat CDM-570 Podręcznik Użytkownika Pobierz pdf (Strona 172)

General

D-2 Vipersat CDM-570/570L User Guide

All other standard controls for access into dSCPC are maintained, but because

of a new fixed entry switch type, VMS version 3.9.2 or greater is required.

Because most networks are likely to have Remote sites off-the-air for various

reasons, the task of upgrading all locations during a planned maintenance period

introduces complexity, particularly where the upgrade breaks current protocol.

If this is the case, it will be required to provide additional resources during the

migration to assure all sites—active or inactive—make the transition.

Sites that are active are much simpler to upgrade and modify, but sites that are

inactive must have the old (current) hardware or configuration running to assure

that an upgrade path is available when they reactivate.

These additional resources typically have at least one STDMA Burst Controller

programmed for the inactive sites. This will assure that, when the Remote acti-

vates, it can enter the network as always and allow the operator to upgrade and

migrate the site to the new ECMv2 channel.

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Comtech EF Data Vipersat CDM-570 Podręcznik Użytkownika Strona 172