Copper Cable Specifications For Qfx5100-48T Switches - Juniper QFX5100 Hardware Manual

QFX5100 Switch Hardware Guide
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Copper Cable Specifications for QFX5100-48T Switches

88
13 dBm – 0.5 dBm [HOL] – 5 (0.5 dBm) – 2 (0.5 dBm) – 2 km (1.0 dBm/km) – 1 dB
[CRM] = P
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13 dBm – 0.5 dBm – 2.5 dBm – 1 dBm – 2 dBm – 1 dBm = P
P = 6 dBm
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The calculated power margin is greater than zero, indicating that the link has sufficient
power for transmission. Also, the power margin value does not exceed the maximum
receiver input power. Refer to the specifications for your receiver to find the maximum
receiver input power.
Understanding QFX Series Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion
on page 84
The QFX5100-48T switches have 10GBASE-T interfaces that use various types of copper
network cables. To achieve optimal performance, you must use cables that conform to
IEEE 802.3-2012 specifications for connections for 10GBASE-T network ports.
Table 34 on page 89 lists the cable specifications for 10GBASE-T port on QFX5100-48T
switches.
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