Zyxel-communications Multi-service Access Platform MSAP2000 Uživatelský manuál stáhnout pdf (Strana 114)

7. Product Specification

MSAP2000 Technical Manual V3.0 7-7

7.4. Central Office Power Supply Module (CoPSM)

Overview

The Central Office Power Supply Module (CoPSM) provides the COT Shelf

with over-voltage and over-current protected for electrical power inputs, as well

as isolated DC to DC power conversion.

The CoPSM can be paired together with another CoPSM on the COT Shelf, to

provide 1+1 power redundancy protection.

Features

And

Benefits



LEDs on the front panel indicate the CoPSM status, fault occurrences, and

fuse status.



Circuit protection for low input voltage and output over currents



Over current protection for input and output interfaces.



Over-temperature auto-protection.



Testing connection port located on the Front Panel.



Digital control and Alarm Reporting.

Function Diagram

Application

CoPSM is used in those shelf that is not required the RINGER for telephone

lines.

Modules CoPSMModules

-36 ~ -72VDC

MSAP2000 Internal Power buses

1 2 ... 109 110 111 112 113 114 115 116 117 118 119 ... 242 243

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Zyxel-communications Multi-service Access Platform MSAP2000 Uživatelský manuál Strana 114