User's Manual

FreeWave Technologies
October 22, 2013
900 MHz Spread Spectrum Installation Manual
V5.3
LIG0003AC Rev D 7 of 11
4. The connectors shall not be connected or disconnected while circuit is alive unless area
is known to be nonhazardous. Connector J2 is only used for programming the device; it
has not been evaluated as a non-incendive circuit.
5. The end product shall be marked with a warning for the end user indicating that changes
to the baud rate may impair the safety characteristics for Class I, Division 2 Hazardous
Locations.
6. Must be connected to a Class 2 source.
7. The diagnostics port and cable do not have a latching connector and cannot be used in a
hazardous location.
A. Transceiver installation steps
To install the DGR, FGR, and FGR2 series transceivers, follow the basic steps given below.
1. Mount the transceiver to the flat, stable surface using mounting holes in the corners of the
transceiver. FreeWave recommends a minimum stand-off height of ¼”. The following
mounting bracket solutions are available from FreeWave Technologies: Model #ONTWK-001
and Model #PMB-ENCL.
DO NOT USE VELCRO® TO MOUNT THE RADIO
• Attaching and detaching Velcro® pieces creates an ESD (Electro-static Discharge)
hazard. ESD can damage the radio’s circuitry. It also has the potential to damage
other electronic devices close by.
• Mounting a radio to a metal surface with Velcro® does not provide enough distance
between the surfaces, and can result in an electrical short across the radio
Velcro® is the registered trademark of Velcro Industries B.V.
2. Install the antenna and connect the antenna feedline to the transceiver. If you are installing a
directional antenna, preset the antenna’s direction appropriately. The antenna must be