15-2
Cisco Network Modules Hardware Installation Guide
OL-2485-20
Chapter 15 Connecting Wireless Multipoint Network Modules
Subscriber-Unit System
Figure 15-2 Multipoint Communications with Multipath and Diversity Reception
The network module provides the control and data interface to the radio frequency (RF) subsystem in
the wireless transverter. It also provides the up-down conversion from baseband to intermediate
frequency (IF). One network module supports one or two wireless transverters (main and diversity).
Subscriber-Unit System
Each subscriber unit system (see
Figure 15-3
) consists of the necessary cables and these items:
•
A wireless multipoint network module in the router
•
One or two antennas to transmit and receive RF signals to and from the headend. (Diversity
reception of headend transmissions requires two antennas.)
•
One wireless transverter for each antenna. The transverter can be attached to the back of the
subscriber antenna, as shown in
Figure 15-3
, or mounted separately.
•
One power injector for each transverter. The power injector connects the network module to the
wireless transverter, and provides the transverter with DC power, control signals, and IF signals.