M160 Internet Router Hardware Guide
Figure 30: Power and Groundi ng 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 36. For instructions
on connecting the DC power and groundingcables during initial installation, see
“Connecting Powerto 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 supportedon the router accept different kinds of networkcable,
including multimode and single-mode fi ber-optic cable. For more information, see
the following sections:
Fiber Optic and NetworkCable Specifications on page 71
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable on page 71
Attenuation and Dispersionin 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