User's Manual Part 1

ADCP-75-187 • Preliminary Issue 1B • November 2005 • Section 2: DESCRIPTION
Page 2-21
© 2005, ADC Telecommunications, Inc.
Table 2-6. SCS 800 MHz System Nominal Specifications
PARAMETER SPECIFICATION REMARKS
Optical - Host and Remote Unit
Fiber type 9/125, single-mode
Number of fibers required 1 for single-band remote unit
2 for dual-band RU
All SCS remote units include a
WDM.
Forward path wavelength 1550 nm
Reverse path wavelength 1310 nm
Optical transmit power output
Host Unit
Remote Unit
0 dBm
+1.3 dBm (includes WDM inser-
tion loss)
Optical budget 25 dB
For optical BER of 10
–6
Optical Receive Input Maximum –15 dBm
Optical connectors UPC/SC Host unit
OptiTap APC/SC Remote unit
RF Forward Path - 800 MHz
System bandwidth
A band
B band
11 and 1.5 MHz
10 and 2.5 MHz
Frequency range
A band
B band
869–880 and 890–891.5 MHz
880–890 and 891.5–894 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)
78.1 dB At band center, room tempera-
ture, and 0 dB attenuation set-
ting. Includes power amplifier.
Gain flatness
Band flatness
Channel flatness
± 2.0 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 < 6 µs (typical) Excludes fiber delay
Configurable propagation delay
Range
Step size
Up to 63 µs
0.1µs ± 100 ns
Plus standard propagation delay
Spurious
In-band self generated
Free dynamic range
<–13 dBm at remote output
<–60 dBc at 30 kHz bandwidth
Transmit peak-to-average >
10 dB