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COBHAM OMU I User Manual

COBHAM OMU I
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OPTICAL MASTER UNIT MARK I
PRODUCT DESCRIPTION AND USER’S MANUAL
Cobham Wireless Coverage Date: 4-Jan-18 www.cobham.com/wireless
Document number:A1829300UM Rev. 3.1
Page | 41
3.11 Integrate into the AEM
When the OMU has been installed at site and the remote communication has been enabled, the OMU
can be integrated to the Axell Element Manager. This is done by the operator of the AEM. After
entering the telephone number to the OMU, the AEM dials up the OMU, downloads all the OMU
parameters and statuses into a database. When all parameters have been downloaded, the AEM
configures the OMU with the telephone number where alarms and reports should be sent, and
optionally with a secondary telephone number where the repeater can dial in case connection to the
primary number fails.
When heartbeat reports and alarms are sent from the OMU to the AEM also the latest information
about the status and RF-configuration is included. This means that the AEM operator always has
information about the current status in the AEM database (and do not need to call the repeater to
find this out).
Note! Once the OMU is integrated to the AEM, all changes to the OMU should preferably be done
from the Axell Element Manager in order to ensure that the database always contains correct
information.
3.12 Installation Examples
3.12.1 OMU Signal Tapped at BTS
3. An example of a site installation where the FR signal to the OMU is tapped off a BTS
Power Unit for -48 V DC
ODF
ODF
Fiber Fed
Repeater
Antenna or
Leaky feeder
Repeater Site
OMU Site
Splitters
BTS
Antenna
Modem
AEM
Duplex
Filter
Directional
couplers
Back-up Battery
Optional
LaptopLaptop
Rx
Tx

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COBHAM OMU I Specifications

General IconGeneral
BrandCOBHAM
ModelOMU I
CategoryNetwork Hardware
LanguageEnglish