CANOGA PERKINS 9145EMP Network Interface Device Hardware - Manual (Page 11)

9145EMP Network Interface Device Hardware User’s Manual
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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