Juniper Networks M160 manual Network Cable Specifications and Guidelines

M160 Internet Router Hardware Guide

Figure 30: Power and Grounding Cable Connections

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Flat washer

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Flat washer

Cable lug

Terminal studs

Grounding points

To ground

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For information about the DC power supply, including electrical specifications and a description of components, see “Power Supply” on page 36. For instructions on connecting the DC power and grounding cables during initial installation, see “Connecting Power to the Router” on page 117. For instructions on replacing a DC power cable, see “Disconnecting and Connecting Power” on page 200.

Network Cable Specifications and Guidelines

The various PICs supported on the router accept different kinds of network cable, including multimode and single-mode fiber-optic cable. For more information, see the following sections:

Fiber Optic and Network Cable Specifications on page 71

Signal Loss in Multimode and Single-Mode Fiber-Optic Cable on page 71

Attenuation and Dispersion in Fiber-Optic Cable on page 71

Calculating Power Budget for Fiber-Optic Cable on page 72

Calculating Power Margin for Fiber-Optic Cable on page 73

Attenuating to Prevent Saturation at SONET/SDH PICs on page 74

70 Network Cable Specifications and Guidelines