User Manual

Recommendations on antenna mounting
44
Combining up to 4 links using the AWM 2
The following illustration shows an example of how to combine up to 4 links
with one AWM 2 antenna wall mount. This reduces the number of antenna
cables required from 8 to 2.
►
The illustration indicates which SMA and R-SMA connectors the ca-
bles need to have. You can either use Sennheiser CL 5/10 extension
cables together with SMA to R-SMA adapters or you can make your
own low-loss cables with the respective couplings.
▷ Please observe the information below on the length of the extension ca-
bles („Signal loss due to extension cables and antenna combiners“).
Always use two antenna combiners for one AWM 2, even if you
use fewer than four receivers. Always combine all antenna sockets
ANT I of all receivers and all antenna sockets ANT II of all receivers
respectively to one of the two antennas of the AWM 2. If you are only using
3 of the 4 antenna sockets of the antenna combiner, lock the unused socket
with a terminating resistor (50 Ω) to reduce incoming interference and to
maximize the RF performance.
SL Rack Receiver DW
Antenna combiner
Mini-Circuits ZN4PD-272-S+
SMA
SMA
R-SMA
R-SMA
R-SMA female
(connected to AWM 2)
SMA male
(connected to antenna combiner)
R-SMA male
(connected to SL Rack Receiver DW)
SMA male
(connected to antenna combiner)
AWM 2
Cables needed between AWM 2 and antenna combiner
Cables needed between SL Rack Receiver DW and antenna combiner