Canoga-perkins 9145EMP Network Interface Device Hardware Uživatelský manuál stáhnout pdf (Strana 11)

9145EMP Network Interface Device Hardware User’s Manual

4 Operation ............................................................................................ 29

4.1 Power-Up and Front Panel Functions ............................................................. 29

4.1.1 Power and Status LEDS .......................................................................... 29

4.2 Interface Management .................................................................................... 30

4.2.1 Setting Up the VT-100 Terminal .............................................................. 30

5 Troubleshooting ................................................................................. 31

5.1 Optical Power Loss ......................................................................................... 31

5.2 Fault Conditions .............................................................................................. 31

5.3 Running Diagnostics ....................................................................................... 31

5.3.1 PING Testing ........................................................................................... 31

5.4 Loopback Diagnostics ..................................................................................... 32

6 Maintenance ........................................................................................ 33

6.1 General Maintenance ...................................................................................... 33

6.2 Check Optical Power Levels ........................................................................... 33

6.2.1 Measuring Transmitter Output Power ...................................................... 33

6.2.2 Measuring Receiver Input Power............................................................. 34

6.2.3 Calculating Fiber Link Attenuation ........................................................... 35

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Canoga-perkins 9145EMP Network Interface Device Hardware Uživatelský manuál Strana 11