Eci Telecom NPT-1020 Installation And Maintenance Manual page 7

NPT-1020 Installation and Maintenance Manual
5.18.4 Routing and Connecting Electrical Traffic Cables .................................................................. 5-41
5.18.5 Routing and Connecting Coaxial Cables ................................................................................ 5-41
5.18.6 Connecting Timing (Clock) Cables ......................................................................................... 5-42
5.18.7 Connecting Management Cables .......................................................................................... 5-42
6
Commissioning Tests ................................................................................... 6-1
6.1 Test Equipment ...................................................................................................................... 6-1
6.2 Site Commissioning Tests ...................................................................................................... 6-1
6.2.1
6.2.2
6.2.3
6.2.4
6.3 SDH Commissioning Tests ...................................................................................................... 6-4
6.3.1
6.3.2
6.3.3
6.3.4
6.3.5
6.3.6
6.3.7
6.3.8
6.3.9
6.3.10 Maintenance Action Test ........................................................................................................ 6-9
6.4 Data Network Commissioning Tests ...................................................................................... 6-9
6.4.1
6.4.2
6.4.3
6.4.4
6.4.5
7
Maintenance ............................................................................................... 7-1
7.1 Overview ................................................................................................................................ 7-1
7.2 Test Equipment, Tools, and Materials ................................................................................... 7-1
7.3 Preventive Maintenance ........................................................................................................ 7-1
7.4 Onsite Troubleshooting ......................................................................................................... 7-2
7.4.1
7.4.2
7.5 Replacing Cards and Modules .............................................................................................. 7-14
ECI Telecom Ltd. Proprietary
Checking Cards and Modules Installed in Each Shelf .............................................................. 6-1
Visual Inspection and Mechanical Checks ............................................................................... 6-2
Measuring Optical Levels ........................................................................................................ 6-3
Platform Power-On Test Procedure ........................................................................................ 6-4
Test Equipment Setup ............................................................................................................. 6-4
Network Timing Synchronization Test .................................................................................... 6-5
Loss of Signal (LOS) Detection Test ......................................................................................... 6-6
Input Sensitivity Test ............................................................................................................... 6-6
Equipment Power-On Test ...................................................................................................... 6-6
Traffic Stability Test ................................................................................................................. 6-7
Path Protection and Nonretrieval Test.................................................................................... 6-7
Severity Assignment Test ........................................................................................................ 6-8
Transmission Alarm-Handling Test .......................................................................................... 6-8
Throughput and Latency Tests ................................................................................................ 6-9
System Recovery and Reset Tests ......................................................................................... 6-10
Frame Loss Rate Test ............................................................................................................. 6-10
Stability Test .......................................................................................................................... 6-11
Alarm-Handling Test .............................................................................................................. 6-11
Troubleshooting Power Problems ........................................................................................... 7-3
Troubleshooting Using Component Indicators ....................................................................... 7-4
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