Manual – Neon 2000 Family NRT & NRM
Unidata Manual - Neon 2000 Family Remote Terminals and Modules Issue 4.0.docx
Page 33
14.0
NRT/NRM SATELLITE ANTENNA INFORMATION
(Limited extracts from Qualcomm 1620 manual- permission granted by Qualcomm)
14.1
Mounting Antennas On-Site
This section describes the Dielectric Resonator Antenna (DRA, also called an Outdoor
Unit or ODU) hardware, including specifications for antennas and antenna cable. It also
describes how to calculate antenna cable length and mount antennas.
14.2
Modem Antenna Specifications
The GSP-1620 modem is to be used with an aluminium Dielectric Resonator Antenna
(DRA), as shown in the figures below. The modem DRA has a passive transmit and an
active receive section. The transmit (Tx) and receive (Rx) connectors are labelled on the
antenna.
Caution:
You must be careful to connect the Tx connector on the DRA to the Tx
connector on the modem, and the Rx connector on the DRA to the Rx connector on the
modem. Crossing the Tx and Rx cables can damage the modem.
DRA Side View
DRA View Showing Connectors