Canoga-perkins 9145E Network Interface Device Uživatelský manuál stáhnout pdf (Strana 12)

9145 Ethernet Network Interface Device User’s Manual

6 Maintenance ........................................................................................ 37

6.1 General Maintenance ...................................................................................... 37

6.2 Check Optical Power Levels ........................................................................... 37

6.2.1 Measuring Transmitter Output Power ................................................................... 37

6.2.2 Measuring Receiver Input Power .......................................................................... 38

6.2.3 Calculating Fiber Link Attenuation ......................................................................... 39

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Canoga-perkins 9145E Network Interface Device Uživatelský manuál Strana 12