Zyxel-communications Multi-service Access Platform MSAP2000 Manual de usuario descargar pdf (Pagina 220)

9. Network Management System (NMS) Functions

MSAP2000 Technical Manual V3.0 9-6

9.5. Maintenance

MSAP2000 supports the following test functions:



Analog Module Test



Subscriber Line Test



LED Test



Loopback



Protection Switch



Pattern Test: 211, 215, fix pattern

Analog Module

Test

MSAP2000 supports Telephone Line Malfunction Testing.

Connection to LCT and OptiCore™ will enable Stage 1, Stage 2, and

Stage 3 testing (as shown in the diagram below), to assist Operators

to swiftly pinpoint problem sources, and to reduce the cost and time

spent on line maintenance.



Stage 1

：

Dial Tone Testing



Stage 2

：

Equipment Circuit Loopback Testing, or Channel Testing



Stage 3

：

Last Miles Testing

Stage 1 Test Items:



Dial Tone Detection Testing



Dial Tone Disconnection Testing



COT Loop Current Detection Testing



COT Voltage Feedback Testing



Pulse Metering Detection Test for Pay phones

Stage 2 Test Items:



Channel Testing

Stage 3 Test Items:



Last Miles Loopback Testing

- AC Voltage

- DC Voltage

- Loop Resistance

- Isolated Resistance

- Capacity



DTMF/Dial Pulse Testing



Line Testing: To be used when COT operators need co-work on

line testing with field operators



Howling sound alerts are issued when the telephone handset has

been displaced.



Enforced Ringing/ Ring Subscriber

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Zyxel-communications Multi-service Access Platform MSAP2000 Manual de usuario Pagina 220

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