User's Manual

SOP Utilinet Concentrator Installation
XX-XXXX, Rev: 01
Page 9 of 18
© Cellnet 2006. All rights reserved.
1.1 Cellnet Network (General Overview)
The CellNet Automated Metering Infrastructure network is used to transfer information from a
number of endpoints usually distributed over a large geographical area. The most common
endpoints are from electrical, gas and water meters. The network includes a Radio Frequency
(RF) Wide Area Network (WAN) and an RF Local Area Network (LAN). The WAN consists of
Take Out Points (TOP) and Infinet Concentrators (Concentrator). The LAN is the RF link
between the InfiNet Concentrator and meters with CellNet meter modules installed. The endpoint
data is transmitted via a radio frequency (RF) link to the Concentrator where it is stored and
processed. The Concentrator then transmits this via a RF link to the TOP and then to the host
system for the utility to pick up. This document deals with the installation of Concentrators.
1.2 Concentrator Antenna options
The Concentrator requires three antennas to communicate with the meters and to relay
information from the endpoint to the Network Operations Center. Two 17" whip LAN antennas
(receive-only) mount on the side of the enclosure. An additional antenna for WAN
communications will mount either on the top of the enclosure or all three antennas can be remote
from the Concentrator such as the top of a utility pole or a building parapet. If the three antennas
are mounted above the enclosure, coaxial cable will connect the enclosure and the remote
antennas.
Cellnet recognizes that the performance of the radio can vary depending on the characteristics of
a particular of installation. For your convenience, this guide to antenna installations is included.
When installed properly by a radio communications professional, the approved equipment will
assure maximum performance of 902-928 MHz radio products.
There are a number of reputable companies that sell antennas and related equipment. While
Cellnet does not make an exclusive recommendation on which company would be appropriate for
a particular installation, Talley Communications is a supplier that Cellnet has worked with
extensively. In each section, references to Talley part numbers are included as an example for
your convenience.
Talley Communications
12976 Sandoval Street
Santa Fe Springs, CA 90670
Tel: [phone]
[e-mail]
Approved Antennas:
Note: Only these antennas are authorized for used with these transmitters.
Talley Communications (800-223-4949):
3 db gain omni-directional remote mount whip antenna REMOTE-OMNI3 Antenex,
3 db gain omni-directional direct mount whip antenna DIRECT-OMNI3 Antenex
This document presents basic guidelines for the user’s selection of antenna equipment. The
antenna purchase and/or use decision and equipment installation is the responsibility of the
user. Cellnet makes no warranty representation, either expressed or implied, regarding
equipment performance or its suitability for the user’s intended purpose.
UtiliNet Series III radios' power output plus the antenna gain must be equal or less than the