Zyxel-communications Multi-service Access Platform MSAP2000 Instrukcja Użytkownika Pobierz pdf (Strona 14)

1. System Introduction

MSAP2000 Technical Manual V3.0 1-3

The following modules come with 1:1 redundancy functions:

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Power Supply Module: CoPSM, RtPSM

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Main Processing Module (MPM)

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Expansion Link Module (ELM)

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Expansion Processing Module (EPM)

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STM-1 Trunk Module (OIM, SM1)

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STM-4 Trunk Module (SM4)

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V5.1/V5.2 Processing Module (V5P)

The following modules come with N+1/N:1 redundancy functions:

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E1 Trunk

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Packet Voice module (PVM)

The OIM (SDH STM-1)/SM1/SM4 Optical Interface Modules

provide automatic protection switching (APS) function and 1:1

redundancy protection. The protection time is less than 50ms,

and services will not be interrupted during protection switching.

Local Craft Terminal

(LCT)

The local RS-232 menu-driven management interface allows for

selection of Configuration, Maintenance, Fault Management, and

Security Management functions. In addition, supervisor could

process OAM&P at both COT node and RT nodes. All the

settings will be coordinated automatically and saved in system

database.

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Zyxel-communications Multi-service Access Platform MSAP2000 Instrukcja Użytkownika Strona 14