ADC Digivance CXD, Руководство по эксплуатации

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ADCP-75-192 • Issue 2 • June 2007
Page 12
© 2007, ADC Telecommunications, Inc.
Power
AC power ingress 240 VAC, 20 Amps, single phase
Battery backup options
extended
glitch
120 minutes
5 minutes
-48 volts
@25 degrees C (degrees F)
for four bands
RAN box power use 2700 Watts Max.
16 Amps Max.
cPCI rack power -48 VDC
Optical
Fiber cable ingress Nylon connector accommodates
cable diameters in range 0.38-
0.50 inches (0.97-1.27 cm). For larger cable sizes, refer to the
note in .
Fiber type Corning SMF-28 or equivalent
Optical connectors LC Standard on SFP transceivers
Insertion loss 0.2 dB Typical, 0.4 dB Max.
Number of fibers required 1-4 fiber runs per RAN
Fiber configuration Star (point to point) or ring Ran ring limited to 3 SIFs
Fiber data link protocol OC-48
Wavelengths per fiber
with WDM option
with CWDM option 1 (1310 nm)
2 (1310/1550)
8 (1470-1610) Without WDM/CWDM option
20 nm increments (ITU-GRID)
Optical transceiver type SFP Dual LC connector
Optical Tx power -3 dBm Max, -10 dBm Min. Finistar FTRJ-1320-1
(or equivalent)
Optical Rx sensitivity -22 dBm Typical, -18 dBm Max.
Optical link margin 2 dB Estimated
Optical link loss 6 dB Estimated
Optical Rx saturation level -3 dBm Min. Max. operational power
Optical Rx damage level -3 dBm Min. Max survivable power
Optical safety class 1 ANSI Z 136.2
RF
Tuning frequency
PCS band
Cellular band
SMR 800 band
SMR 900 band Receive Path
1850-1910 MHz
824-849 MHz
806-824 MHz
896-901 MHz Transmit Path
1930-1990 MHz
869-894 MHz
851-869 MHz
935-940 MHz
Instantaneous bandwidth 15 MHz
Table 3. NXD RAN Specifications
ITEM SPECIFICATION COMMENT