User's Manual Part 1

Release8OverviewofCycloneNetworks



Issue2,November2007 Draft5forRegulatoryReview 53
5.1.8 Cyclone
5.1.9 BackhaulModule
A pair of Backhaul Modules (BHs) provide point-to-point
connectivity as either
• a standalone link
• a link through a cluster management module to an
AP cluster.
You must configure a BH as either a timing master (BHM)
or timing slave (BHS). The BHM provides synchronization
signal (sync) to the BHS.
A BH mounted to a passive reflector dish is pictured in
Figure 7. Carrier applications for these modules include
reaching remote AP clusters, interconnecting campus
buildings or remote branch offices, extending private
branch exchange (PBX) circuits, backhauling cell sites, and
extending central office T1s/E1s.
These BHs are supported by this user guide. See
Realizing
a Wireless Backhaul Network
on Page 47.
Figure 7: Dish-mounted
10- or 20-Mbps BH
5.1.10 RadioAdjustablePowerCapabilities
Cyclone offers adjustable power radios in all frequency bands.See
Adjusting Transmitter
Output Power
on Page 330 to ensure that your radios do not exceed the maximum
permitted EIRP.
5.1.11 ClusterManagementModule‐2(Part1008CK‐2)
The Cluster Management Module-2 (CMM2) provides power, GPS timing from an
antenna that is included, and networking connections for an AP cluster. The CMM2 can
also connect to a BH, in which case the CMM2 is the central point of connectivity for the
entire site. The CMM2 can connect as many as eight collocated modules—APs, BHMs,
BHSs—and an Ethernet feed.
The CMM2 requires two cables for each connected module:
• One provides Ethernet communications and power. This cable terminates in an
RJ-45 connector.
• The other provides synchronization (sync), GPS status, and time and date in a
serial interface. This cable terminates in an RJ-11 connector.
A CMM2 is pictured in
Figure 8. A CMM2 as part of a mounted Cyclone system is
pictured in
Figure 9.