EXPRESS DAS
Installation and Operations Manual
EXPRESS DAS Installation and Operations Manual – Version 2.2 November 2013
101
11.7
Connecting Coaxial Cable and Antennas
The Add-on remote unit has two antenna ports, one for the downlink (TX) and one for the uplink (RX).
1- Before connecting the coaxial cable from the antenna, check the Voltage Standing Wave Ratio (VSWR)
value to ensure it is within specification using a SiteMaster or DTF meter. Check if the return loss is
higher than 15dB or the VSWR is below 1.5.
2- Connect the coaxial cables to the antenna port of the add-on unit.
11.8
Powering On Add-‐on Unit and Checking Status
1- Power on the unit by moving the power supply unit’s circuit breaker switch to the on (“I”) position.
2- Check if the POWER LED indicator on the = PSU and the RDU are green indicating normal operation.
Figure 11.7 – Power and Alarm Indicators for AOR
NOTE
: A band pass filter is not required, but a third party filter can be used.
Содержание EXPRESS Single-Carrier DAS
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