Installation Instructions

A.3
1026209–0001 Revision B A–6 Equipment specifications
Maximum RF power output (Equivalent Radiated Power) for the
100 mW radio option of the Pico BTS is ±20 dBm with +1/–3 dB
accuracy. The BTS has a nominal dynamic range of at least 26 dB
(from ±20 dBm to –6 dBm), adjustable in steps of 1 dB.
For the 10 mW radio option, maximum RF power output
(Equivalent Radiated Power) of the Pico BTS is +10 dBm with
+1/–3 dB accuracy. The BTS has a nominal dynamic range of at
least 16 dB (from +10 dBm to –6 dBm), adjustable in steps of 1
dB. Power is measured at the antenna port.
Antenna
The antenna connections are male “SMA” connectors with nominal
impedance of 50 ohms. The return loss is 12 dB minimum. The
connections are labeled “Antenna A” and “Antenna B”.
A power supply is used to power each picocell. The mechanical
specifications of the power supply are:
• Height: 6.58 inches
• Width: 4.0 inches
• Depth: 1.98 inches
• Weight: 22 ounces (excludes cords)
The input specifications are:
• Input voltage: 100 Vac to 250 Vac –10%, +6%
• Input frequency: range 47 Hz to 63 Hz
• Current: 2.0 A max. at 100 VAC input
The output specifications are:
• 1.875 amps at –48 volts (90 watts)
• Combined line and local voltage regulation of ±1%
• Transient response of 0.5 ms for 50% local change
• Hold time of 18 msec minimum at 120 Vac and 120 msec
minimum at 240 Vac.
• ±10% “square” output current limiting
• Short circuit protection
• Over voltage crowbar
Table A-3 Power supply environmental specifications
Preliminary specifications – subject to change
Operational Non–operational
Temperature
0_C to +50_C –30_C to +85_C
Humidity
5% to 95% relative
humidity, non–condensing
Altitude
0 feet to 10,000 feet
An area must be available on the wall near the telco wiring blocks
and electrical outlet to fasten the power supply to the wall.
RF levels
Picocell power
su
pp
l
y