Installation Guide
Page 40
Catalyst 4900 Series Switch Installation Guide 2-4 78-18039-02 When planning the location of ...remedy strong EMI, you might be useful for planning the power distribution system needed to support the switches. Refer to consult RFI experts. Power Requirements and Heat Dissipation The power requirements might need to Appendix A, "Specifications," ...for the power and heat ratings for any significant distance in an electromagnetic field, radio frequency interference (RFI) can occur between the field and the signals on the wires. • Bad plant wiring can result in...
Catalyst 4900 Series Switch Installation Guide 2-4 78-18039-02 When planning the location of ...remedy strong EMI, you might be useful for planning the power distribution system needed to support the switches. Refer to consult RFI experts. Power Requirements and Heat Dissipation The power requirements might need to Appendix A, "Specifications," ...for the power and heat ratings for any significant distance in an electromagnetic field, radio frequency interference (RFI) can occur between the field and the signals on the wires. • Bad plant wiring can result in...
Installation Guide
Page 46
... breaker size 5 Cable and interface equipment evaluation: Cable type Connector type Cable distance limitations Interface equipment (transceivers) 6 EMI evaluation: Distance limitations for signaling Site wiring RFI levels 2-10 Catalyst 4900 Series Switch Installation Guide 78-18039-02
... breaker size 5 Cable and interface equipment evaluation: Cable type Connector type Cable distance limitations Interface equipment (transceivers) 6 EMI evaluation: Distance limitations for signaling Site wiring RFI levels 2-10 Catalyst 4900 Series Switch Installation Guide 78-18039-02