ADC Telecommunications Inc. DVICSRIU800 Benutzerhandbuch
ADCP-75-114 • Issue C • June 2001
Page 5
©
2001, ADC Telecommunications, Inc.
1.9 Specifications
The
specifications for the RIU are provided in Table 2. All specifications apply after a five
minute
warm-up period.
Table 2. Remote Interface Unit Specifications
PARAMETER
SPECIFICATION
REMARKS
Environmental
Operating
Temperature
0º
to 50º C (32º to 122º F)
Storage
Temperature
–30º
to +70º C (–22 to 158º F)
Humidity
No
condensation
Weather
resistance
Indoor
installation only
RF Forward Path
A-band
frequency range
869
to 891.5 MHz
B-band
frequency range
880-894
MHz
RF
Gain
+9
to +40 dB
Adjustable
in 1 dB steps
Gain
Variation
±
1.5 dB
Over
frequency, temperature,
and
unit-to-unit.
Gain
stepsize accuracy
±
(0.2 + 3% of gain setting in dB)
dB
Output
power
–20
dBm composite maximum to
Digivance
ICS input
With
proper attenuation setting
Input
level
–29
dBm composite maximum
To
drive Digivance ICS DHU
VSWR
1.5:1
or better, both ports
IP3
>
+30 dBm
RF Reverse Path
A-band
frequency range
824
to 835 and 845 to 846.5 MHz
B-band
frequency range
835
to 849 MHz
RF
Gain
+29
to +59 dB
Adjustable
in 1 dB steps
Gain
Variation
±1.5
dB
Over
frequency, temperature,
and
unit-to-unit.
Gain
stepsize accuracy
±
(0.2 + 3% of gain setting in dB)
dB
Output
power
+
29 dBm composite maximum
When
driven with Digivance
ICS
DHU
Input
level
–30
dBm composite maximum
From
Digivance ICS DHU
output
VSWR
1.5:1
or better, both ports
IP3
>
+46 dBm
Continued