Printed Documentation
118
5.
View the Modem Shelf Properties using Sitespan. Set the TX and RX gain to 0(zero)
6.
Ensure that a 30dB attenuator is connected to the power sensor if required to protect
the sensor.
7.
Calibrate/set-up power meter according to manufacturers instructions.
8.
Connect the power sensor at the top of the rack as per diagram
9.
Measure O/P power and ensure the level is less than -20dBm
10.
Adjust TX Gain for the band of the system under test. Start with the TX gain set to
3300. Adjust the value up or down to obtain a reading as shown in the table below. This is
equivalent to 4 users at 160k. Remember to take into account the value of any attenuation
used to protect the meter.
Band
Reading
1.8-1.9GHz
+26dBm
Содержание AS4000
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Страница 38: ...Printed Documentation 34 AC Rack Labeling The racks should be labelled as shown below Access Concentrator Rack ...
Страница 39: ...Installation 35 Interface Connections This page contains miscellaneous interface and connector details ...
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Страница 42: ...Printed Documentation 38 BNC Terminations to Coax ...
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Страница 72: ...Printed Documentation 68 CT Rack Labelling Central Terminal Rack ...
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Страница 78: ...Printed Documentation 74 Card Insertion DA Rack Card Insertion Expansion Rack ...
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Страница 112: ...Printed Documentation 108 Combiner Shelf PSU ...
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Страница 151: ...Setup and Test 147 11 From the AS4020 front panel exit commissioning mode by selecting RF Commissioning Off ...
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