Installation and Initialization
QB.11-R Installation and Management
Hardware Overview
15
Hardware Overview
The units contain a state-of-the-art wireless radio, a high-gain performance flat-panel antenna, and Power-over-Ethernet
(the sole means of power for the unit).The unit also has built-in surge protection on its Ethernet port.
Power-over-Ethernet
The unit is equipped with an Power-over- Ethernet (PoE) module. Using PoE, you can provide electricity and wired
connectivity to the unit over a single Category 5 cable. Although the power injector that is supplied with the unit is
802.3af-compatible, standard 802.3af-compliant power modules will not properly power the units. Always use the
supplied power injector.
• The PoE integrated module provides –48 VDC over a standard Cat5 Ethernet cable.
• Maximum power supplied to the unit is 20 Watts (when the unit is heating or cooling); the units typically draw less than
7.5 Watts.
• The unit only accepts power on the “extra pairs”, not on the data pairs according the configuration for “midspan” power
injection, see the IEEE 802.3af standard.
Between 0 and 55° 55
°
Celsius internal temperature, the unit does not need to regulate its temperature, so the power
draw is generally lower in this temperature range. When the internal temperature gets close to the limits, the unit starts to
heat/cool itself and the power draw increases. Powering while cold triggers a special self-heat mode where the unit is
inoperable until the temperature is above 0° Celsius. This is signaled by a solid red LED on the Ethernet connector. Once
the internal temperature is above 0° Celsius, the unit boots normally.
Serial Connection
The serial connection is made with an RJ11 to DB9 connector (also referred to as a “dongle”). Connect the RJ11 end to
the unit and connect the serial (DB9) end to your PC to assist you in aligning the antenna and to issue CLI commands.
See the following figure:
Recommended Cable
Function
Power (DC) and Ethernet connection
Type
Cat5, UV-shielded and outdoor-rated
Impedance
100 ohms
Recommended cables
4 UTP, 24 AWG, UL rated
Maximum Distance
330 feet / 100 meters
Connector type, unit end
RJ45 female, weatherized using weatherproof connector
Connector type, power & Ethernet adapter
end
RJ45
