User's Manual

Appendix C. DS.11 FAQ
BreezeNET BU-DS.11/RB-DS.11 C-1 User’s Guide
APPENDIX C. DS.11 FAQ
How many BU-DS.11 or RB-DS.11 units can be co-located on the same building top or tower?
You can co-locate up to 3 BU-DS.11 or RB-DS.11 units on the same structure. Each
unit is assigned to one of the non-overlapping channels, 1, 6, or 11.
What is the antenna separation requirement for co-locating BU-DS.11 or RB-DS.11 units on
the same building top or tower?
The antennas should be mounted at least 2 feet apart when using UNI-16’s, 15 feet
when using UNI-24’s, and 75 feet when using OMNI-8’s. For omni antennas, the
maximum link distance is reduced by up to 50%. Greater separation will improve the
link distance.
Can my FH network operate in the same area as the DS?
Yes, in a co-located network, both products will suffer some loss in performance. This
depends on network utilization. For example, the higher the utilization of the FH
network, the higher the level of impact on the DS network, and visa versa. Typically, in
light to moderate utilized networks, the performance loss is not perceivable.
Can I use DS.11 Bridges to feed a FH distribution point?
Yes, bandwidth sharing between the DS and FH products can be minimized if the
network is designed using cross polarized directional antennas, and as much spatial
separation as possible. Contact technical support for assistance with this.
What is the throughput of the DS.11?
The BU-DS.11/RB-DS.11 bridge link typical performance is 4.2Mbps using TCP and
6.2Mbps using UDP. For long range links, the performance will drop about 5%.