Internet Router Hardware Guide

M160 Internet Router Hardware Guide
Figure 30: Pow er and Grounding Cable Connections
g001226
Terminal studs
Cable lug
Flat washer
Flat washer
To ground
Nut
Nut
Grounding
points
For information about the DC power supply, including electrical specifications and
a description of components, see “Power Supply” on page 3 6. 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 Networ k Cable Specifications and Guidelines