User Manual

ADCP-75-158 • Preliminary Issue A • June 2003 • Section 2: Description
Page 2-28
© 2003, ADC Telecommunications, Inc.
Optical transmit power output
Host Unit
Remote Unit
0 dBm
+2 dBm
Optical budget 25 dB
For optical BER of 10
–6
Optical receive input –15 dBm maximum
Optical connectors Industry standard SC Host, remote, and WDM
Optical - Host and Remote WDM
Passband 1310 nm ± 20 nm
1550 nm ± 20 nm
Forward path insertion loss
Host WDM
Remote WDM
0.7 dB
0.3 dB
Does not include connector loss
Reverse path insertion loss
Host WDM
Remote WDM
0.3 dB
0.7 dB
Does not include connector loss
Isolation > 30 dB minimum
Return loss (Reflectance) < –50 dB All input ports
RF Forward Path - 1900 MHz
System bandwidth
20 MHz AD band, 25 MHz
DBE, BEF, and EFC bands
Frequency range
AD
DBE
BEF
EFC
1930 to 1950 MHz
1945 to 1970 MHz
1950 to 1975 MHz
1965 to 1990 MHz
Out-of-band emissions
Primary
Secondary (see Note 1)
–13 dBm per 1 MHz bandwidth
from 10 kHz to 20 GHz
–98 dBm per 100 kHz from 824
to 849 MHz and from 1850 to
1910 MHz
Gain of forward path
(Host input to Remote antenna
port)
80.5 dB at band center, room
temperature, and 0 dB attenua-
tion setting
Includes power amplifier.
Gain flatness
Band flatness
Channel flatness
± 1.5 dB across freq. range
±1 dB variation across any 1.25
MHz channel
Gain variation ± 3 dB over temp and unit-to-
unit
Out-of-band rejection –40 dB at >
±17.5 MHz from
881.5 MHz
Propagation delay 6 µs Excludes fiber delay
Table 2-6. 1900 MHz 20 Watt System Nominal Specifications, continued
PARAMETER SPECIFICATION REMARKS