1. Product SummaryWR-1004N-HJS outdoor optical node can be
configured 2 forward path optical receiver modules, 2 return path
optical transmitter modules, 1 Ethernet transponder
module and 2 switching power supply modules at most. Adopts
advanced optical AGC technology, the output level and output slope
both adopt the electric control circuit. Add LED segment
display function, the forward path output
signal ≥116dBμV. 2. Performance CharacteristicsForward path
optical receiving part adopts advanced optical AGC technology, the
input optical power range extended to -8~+2dBm.Forward path optical
receiving part: RF operating bandwidth extended to 1GHz, each way
maximum output level up to 116dBμv.Full electric adjust attenuation
and equilibrium control circuit, and achieve remote operation by
NMS.RF amplifier part adopts quick plug modular design, can quickly
replace RF amplifier module without dismantling the RF cable
connector.Built-in perfect condition monitoring circuit, and
support Ethernet transponder.Reserved C-CMTS forward path and
return path RF interface, support DOCSIS EOC networking
scheme.3. Technique Parameter3.1 Link testing conditionsThe
performance parameters of this manual according to the measuring
method of GY/T 194-2003 < Specifications and methods of
measurement on optical node used in CATV systems >, and tested
in the following conditions. Forward optical receive part: with
10km standard optical fiber, passive optical attenuator and
standard optical transmitter composed the testing link. Set 59
PAL-D analog TV channel signal at range of
45/87MHz~550MHz under the specified link loss. Transmit
digital modulation signal at range of 550MHz~862/1003MHz, the
digital modulation signal level (in 8 MHz bandwidth) is 10dB lower
than analog signal carrier level. When the input optical power of
optical receiver is -1dBm, the RF output level is 108dBμV, with 8dB
output slope, measure the C/CTB, C/CSO and C/N.Return optical
transmit part: Link flatness and NPR dynamic range are the link
indexes which is composed of return path optical transmitter
and optical receiver.Note: When the rated output level is the
system full configuration and the receiving optical power is -1dBm,
equipment meets the maximum output level of link index. When
the system configuration degrade (that is, the actual transmission
channels reduce), the output level of equipment will be increased.
Friendly Notice: Suggest you setting the RF signal to
6~9dB slope output in the practical engineering application to
improve the nonlinear index of the cable system. 3.2
Performance ParametersItemUnitPerformance ParametersForward Optical
Receive PartOptical ParametersOptical AGC control rangedBm-8 ~
+2Optical return lossdB>45Optical receiving wavelengthnm1100 ~
1600Optical connector type-FC/APC, SC/APC or specified by the
userOptical fiber type-Single modeLink PerformanceC/NdB≥ 51-1dBm
optical input, output level 108dBμV, EQ 8dBC/CTBdB≥ 65C/CSOdB≥ 60RF
ParametersFrequency rangeMHz45/87 ~862/1003Flatness in
banddB±0.75Rated output leveldBμV≥ 110Max output leveldBμV≥
116Output return lossdB(85 ~550MHz) ≥16 / (550~1000MHz)
≥14Redundant receiver isolationdB≥75Output impedanceΩ75Electrical
control EQ rangedB0~15 (1dB stepping)Electrical control ATT
rangedB0~20 (1dB stepping)Reverse Optical Transmit PartOptical
ParametersOptical transmit wavelengthnm1310±10, 1550±10 or
specified by the userLaser type-DFB or FP laserOutput optical
powermW1Optical connector type-FC/APC, SC/APC or specified by the
userRF ParametersFrequency rangeMHz5 ~ 65 (or specified by the
user)Flatness in banddB±0.75Input leveldBμV72~ 85Input return
lossdB≥16Independent transmitter isolationdB≥60Input
impedanceΩ75NPR dynamic rangedB≥15 (NPR≥30 dB)Use
DFB laser≥10 (NPR≥30 dB)Use FP laser RF Parameters of
C-CMTS InterfaceCMTS_DSLevel of forward path insert
portdBμV≥102CMTS_USGain of return path output portdB1±1Port ~
CMTS_US outputIsolation of forward path to
CMTS_US return path output portdB≥70General
PerformancePower voltageVA: AC(100~240)V; B: AC (35~90)VFeed
current throughA10Operating temperatureºC-40~+60Storage
temperatureºC-40~+70Relative humidity%Max 95% no
condensationConsumptionVA≤
65Dimensionmm360 (L)×330 (W)×161 (H)ProcessCompany
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