User's Manual Part 2

ADCP-75-187 • Preliminary Issue 1B • November 2005 • Section 2: DESCRIPTION
Page 2-24
© 2005, ADC Telecommunications, Inc.
Table 2-7. SCS 1900 MHz System Nominal Specifications
PARAMETER SPECIFICATION REMARKS
Optical - Host and Remote Unit
Fiber type 9/125, single-mode
Number of fibers required 2
Forward path wavelength 1550 nm
Reverse path wavelength 1310 nm
Diversity path wavelength 1310 nm
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
Optical connectors
Host Unit
Remote Unit
Industry standard SC
Industry standard SC
RF Forward Path - 1900 MHz
System Bandwidth 20 MHz AD band, 25 MHz
DBE, BEF, and EFC bands, 5
MHz G band.
Frequency range
AD
DBE
BEF
EFC
G
1930 to 1950 MHz
1945 to 1970 MHz
1950 to 1975 MHz
1965 to 1990 MHz
1990 to 1995 MHz
Out-of-band emissions
(Primary)
–13 dBm per 1 MHz bandwidth
from 10 kHz to 20 GHz
Gain of forward path
(Host input to Remote primary
antenna port)
78.3 dB At band center, room tempera-
ture, and 0 dB attenuation set-
ting. 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
center of subband
Propagation delay < 2.5 µs Excludes fiber delay
Configurable propagation delay
Range
Step size
Up to 63 µs
0.1µs ± 100 ns
Plus standard propagation delay