User Manual

ADCP-75-179 • Preliminary Issue A • September 2004 • Section 2: Description
Page 2-33
© 2004, ADC Telecommunications, Inc.
Spurious (in-band self gener-
ated)
–110 dBm referred to input
Intermodulation –62 dBc
System noise figure 8 dB at mid-band
Configurable RF output
Range
Step size
31 dB
1 ± 0.5 dB ± 10% of attenuation
monotonic
Blocking dynamic range 70 dB
Level limiting ALC threshold –40 dBm ± 3 dB instantaneous
Level limiting ALC range 30 dB
Physical/Environmental/
Electrical - Host Unit
Dimensions (H×W×D) 3.5 × 17.1 × 12.2 inches
(88 × 433 × 311 mm)
Dimension for width does not
include the mounting brackets
which can be installed for either
19- or 23-inch racks.
Mounting 19- or 23-inch rack EIA or WECO
Weight 18 lbs. (8.2 kg)
Weather resistance Indoor installation only
Operating temperature 0º to 50º C (32º to 122º F)
Storage temperature –40º to 70º C (–40º to 158ºF)
Humidity 10% to 90% No condensation
External alarm connector Screw-type terminals NO and NC relay contacts
DC power connector Screw-type terminal strip
RF coaxial cable connectors N-type (female)
Service connector DB-9 (female) RS-232 DTE interface
Auxiliary connector DB-9 (female) RS-232 DTE interface
CAN connectors RJ-45 jack
Power input ± 24 or ± 48 VDC ± 21 to ± 60 VDC
Power consumption 55 watts
Current rating 1 Amp at –48 VDC
Reliability at 25ºC MTBF 80,000 hours Excluding fans
Table 2-4. 800/900 MHz SMR System Nominal Specifications, continued
PARAMETER SPECIFICATION REMARKS