www.opwglobal.com
Document #:
M00-20-7074 Rev. 005
Page 12 of 32
3.3
FIT with Remote Antenna (recommended)
The Wireless Petro-Net Modem
®
can also be set up with a remote antenna. For remote antenna mounting,
attach the directional antenna to a pole or other surface using the supplied mounting brackets. Connect the 20-
foot antenna cable to the modem or to the 1-foot cable in the FIT. When mounting the antenna remotely be
sure to protect the antenna cable with the appropriate conduit.
Figure 3-4 Remote Directional Antenna
3.4
Multiple FITs (Networking)
In cases where you have multiple FITs you can set up the antennas to send signals from one FIT to another.
Up to seven (7) sets of modems can operate independently in the same area.
The
Networking > HP Command
is used to set the modem’s hopping channel number. In order for modems
to communicate with each other, the modems must have the same channel number since each network uses a
different hopping sequence. Different channels can be used to prevent modems in one network from listening
to transmissions of another. For example, you could set system A to HP 1 and system B to HP 5. You can use
the channels between 0 and 6. The wireless modem comes is set at 0 by default
.
3.5
FSC with Remote Antenna (Recommended by Manufacturer)
In areas where line-of-sight is blocked
to the FSC, you can use a remote antenna. For example, the antenna
can be placed on top of the building so that it is in line-of-site with the antenna on the FIT. When determining
where to place the antenna, remember to avoid all current and possible future obstructions.
1. Attach the 20-foot antenna cable to the modem.
2. Route the cable to the remote antenna.
3. Mount the antenna to a pole or suitable surface using the hardware provided.
4. Power the modem by plugging the power supply into a wall outlet.