2.048Mb
p
s Wireless Modem
SALES: 0118 965 5100
Appendix D - Installing Other Types of Receive Amplifiers General
The 2.048Mbps Wireless Modem supports other types of Receive Amplifiers which are not
supplied by Black Box. Following are some tips regarding installation of different types of
Receive Amplifiers.
The installation of other types of Receive Amplifiers is usually similar to the installation of
the LNA-10. 2.048Mbps Wireless Modem can be set to provide 12 VDC power via the
Receive RF cable.
There are two ways to supply 12 VDC to the receive amplifier:
• Separate DC input
• DC input through the RF cable
To separate DC input :
1. Connect the RF + Power Cable to the Bias-T unit.
2. Connect RF Output from the Bias-T unit to RF output in the Receive Amplifier.
3. Connect DC Output from the Bias-T unit to DC input in the Receive Amplifier.
Figure D-1. Separate DC input Using Bias-T Unit Connection Diagram
4. Set the jumper Jp1 in the Rx Radio module to 12 VDC.