User's Manual

KAIROS User Manual - version 1.3
Radio Activity S.r.l. 12/11/2014 39 / 41
6.7.2 Power supply
Input Voltage
10.8
–
15.6 Vcc, neg. ground, Nominal 13.
2
V
Max ripple
30 mVpp
Polarity reversal protection
up to
-
70 V
Power supply protections
Electronic protection with automatic restore for
overvoltage
and
undervoltage events
Short
-
circuit protection
Electronic protection with automatic restore
Power supply connector
3 pole model Phoenix Contact
Ground connections
A
Ø
5MA
nut on the rear side of the base station
The central contact on the power supply connector
Power consumption
TX: 60 W @25W RF
RX: 4.5 W (with both RX main and diversity enabled)
6.7.3 Mechanical characteristics
Dimensions (including connectors) 48 x 197x 220 mm
19” Rack mount assembly for
up to
2
transceivers
87 (2TU) x 426 x 220 mm
19” Rack mount assembly for
up to
6
transceivers
215 (5TU) x 426 x 220 mm
Weight (1 transceiver) 1.350 g
6.7.4 Audio balanced interfaces
Interface type
2x
4
+E&M
balanced line
s
Line
isolation
25 V / (1500V with external phone line interface)
Used audio bandwidth
300÷3400 Hz
Input/output Impedance
Line1 =>
600 Ohm differential / 300 Ohm single ended
Line2 => 150 Ohm differential / 75 Ohm single ended
Side tone reflection
<
-
20 dB
Output nominal level
-
3
0 .. 0 dBm
Input nominal level
-
3
0 .. 0 dBm
Level adjust
software by 0.1dB step
Ring detect (with external phone line
interface)
60..120 Vpp @25Hz
Release tone detection(with external
phone line interface)
3 pulses of 425Hz @50% duty 250ms/250ms