User Manual
ADCP-75-110 • Issue B • March 2001
Page 14
©
2001,
ADC
Telecommunications,
Inc.
Table 5. System Specifications (Continued)
PARAMETER SPECIFICATION REMARKS
RF Forward Path
System
Bandwidth 25
MHz
Frequency
range Cellular:
869
to
894
MHz
Output
power +13
+/–
1
dB composite
Gain
variation +/–
3
dB
<
1.5
dB
variation
Over
frequency,
temperature,
and
unit-
Per
1.25
MHz
CDMA
channel
IP
3
>
+35
dBm
CDMA
ACPR1 <
–45
dBc
Spurious
Output <
–35
dBm
DHU
input
signal
level –20
dBm
maximum Provides
a
+13
dBm
RF
output
signal
at
the
DRU
RF Reverse Path
System
bandwidth 25
MHz
Frequency
Range US
Cellular:
824
to
849
MHz
Gain 10
+/–
1
dB
Gain
Variation +/–
3
dB
<
1.5
dB
variation
Over
frequency,
temperature,
and
unit-unit
Per
1.25
MHz
CDMA
channel
Automatic
Gain
Limiting
Prevents
A/D
saturation
with
large
inputs.
Disabled
for
composite
RF
input
<
–40
dBm
Noise
Figure <
12
dB 10
+
10
log
n
(n
=
#
of
users)
DHU
output
signal
level –30
dBm
maximum With
a
–40
dBm
composite
maximum
input
signal
at
the
DRU
Physical/Electrical - DHU
Weight 17.5
lbs
(7.9
kg)
RF
connection Type
N female
Alarm
connection Screw
terminals
(14–26
AWG) NO,
NC,
and
COM
Optical
connection Duplex
LC
adapter
DC
power
connection RJ-45 female
Power
source 120–240
VAC,
50–60
Hz
Power
consumption 24
W typical
Current
rating 85–250
VAC,
2
Amp
input
(Continued)