Vecima Networks OBR3650HP VistaMAX OBR3650/HP+3.5 GHz Base Station Transceiver User Manual Professional Installation Guide

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Document ID	1116757
Application ID	vo5zH8WKxX3Bd8Vjc46wSg==
Document Description	Professional Installation Guide
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	165.29kB (2066077 bits)
Date Submitted	2009-05-28 00:00:00
Date Available	2009-06-18 00:00:00
Creation Date	0000-00-00 00:00:00
Producing Software	GNU Ghostscript 7.06
Document Lastmod	0000-00-00 00:00:00
Document Title	Microsoft Word - VistaMax OBR3650HP Professional Installation Guide Final.doc
Document Creator	PScript5.dll Version 5.2
Document Author:	darrylwu

VistaMax OBR3650HP Professional Installation Guide
Purpose:
The purpose of this guide is to instruct the professional installer on how to set the
transmit power on the OBR3650HP to ensure FCC EIRP limits for the 3.65GHz band is
not exceeded.
General:
Only qualified personnel should be allowed to install, replace, and service the equipment.
The device cannot be sold retail, to the general public or by mail order. It must be sold to
dealers.
Installation must be controlled.
Installation must be performed by licensed professionals.
Installation requires special training
The VistaMAX radio and antenna should be installed ONLY by experienced installation
professionals who are familiar with local building and safety codes and, wherever
applicable, are licensed by the appropriate government regulatory authorities. Failure to
do so may void Vecima’s product warranty and may expose the end user or the
service provider to legal and financial liabilities. Vecima and its resellers or distributors
are not liable for injury, damage or violation of regulations associated with the
installation of outdoor units or antennas
FCC EIRP:
The allowed EIRP for 3.5MHz bandwidth is 3.5watts or 35.4dBm
The allowed EIRP for 7.0MHz bandwidth is 7.0watts or 38.5dBm
Power Adjustment on OBR3650HP:
Transmit power of the OBR3650HP is adjusted in 0.5dB steps via the Web Browser
interface. Vecima has provided head room in the OBR transmitter to allow the
professional installer to use different RF cable types and lengths.
Installation Scenarios:
Vecima OBT3650HP consists of the following items:
1 – OBR3650HP + mounting accessories and PoE surge suppressor.
A sample installation with antenna is as follows:
120-deg Sector:
The diagram below is shows the gains and losses in the RF chain for the calculated EIRP
of 38.0dBm.
OBR3650HP
7.0MHz
Tx Power Adjusted to
26.5dBm
EIRP = 38.0dBm
12dBi 120-deg Antenna
5-ft 1/2" Coxial Cable
Loss = 0.5dB
Adjusting the power of VistaMax OBR3650HP 7.0MHz
bandwidth
The transmit power can be adjusted by 0.5dB steps. Enter the new power setting in the right hand field then click on the “Submit”
button as per the above screen shot.
To apply the new power setting, the OBR needs to be rebooted under the “Apply Configuration” screen, see above screen shot.
The above screen shot shows the new transmit power now set to 26.5dBm.
The diagram below is shows the gains and losses in the RF chain for the calculated EIRP
of 35.0dBm.
OBR3650HP
3.5MHz
Tx Power Adjusted to
23.5dBm
EIRP = 35.0dBm
12dBi 120-deg Antenna
5-ft 1/2" Coxial Cable
Loss = 0.5dB
Adjusting the power of an installed OBR3650HP for 3.5MHz bandwidth
The transmit power can be adjusted by 0.5dB steps. Enter the new power setting in the right hand field then click on the “Submit”
button as per the above screen shot.
To apply the new power setting, the OBR needs to be rebooted under the “Apply Configuration” screen, see above screen shot.
The above screen shot shows the new transmit power now set to 23.5dBm
Omni Antenna:
Since the Omni antenna is 1dB lower in gain then the transmit power of the OBR can
increased by 1dB.
The diagram below is shows the gains and losses in the RF chain for the calculated EIRP
of 37.5dBm.
OBR3650HP
7.0MHz
Tx Power Adjusted to
27.0dBm
EIRP = 37.5dBm
11dBi Omni Antenna
5-ft 1/2" Coxial Cable
Loss = 0.5dB
Adjusting the power of an installed evaluation kit for 7.0MHz bandwidth
The maximum transmit power of the OBR3650HP can be used when using the 11dBi Omni antenna. If a shorter RF cable is used,
then the transmit power will need to be adjusted down. The diagram b
elow is shows the gains and losses in the RF chain for the calculated EIRP of 37.5dBm.
OBR3650HP
3.5MHz
Tx Power Adjusted to
24.0dBm
EIRP = 34.5dBm
11dBi Omni Antenna
5-ft 1/2" Coxial Cable
Loss = 0.5dB
The transmit power can be adjusted by 0.5dB steps. Enter the new power setting in the right hand field then click on the “Submit”
button as per the above screen shot.
To apply the new power setting, the OBR needs to be rebooted under the “Apply Configuration” screen, see above screen shot.

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Title                           : Microsoft Word - VistaMax OBR3650HP Professional Installation Guide Final.doc
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