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Help CenterTRR7800L 4-way Very-low Input Return Optical Receiver
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Specifications
TRR7800L Return Optical Receiver:1U, 4 independent receiver modules
serve for 128 RFPON mininodes
low to -27dBm input power
Summarize
TRR7800L return optical receiver as an important access devices to two-way HFC network, transform the return optical signals to RF signals output. It is standard 1U chassis integrates 4 independent receiver modules, it can receive 128 ways return optical signals from Lootom`s RF PON MiniNodes or services for 128 RFoG optical network units (ONU)-MiniNode.
TRR7800L sensitivity up to -27dBm, meets the different optical link design. Front panel LCD displays the receiver`s work status and parameters, ease of local operation and monitoring, in additional, providing SNMP network management interface, meets the network management national standard, comply with SCTE-HMS and IEC standards.
Features
·Adopt imported high-quality optical receiver device for photoelectric conversion
·Adopt high-performance dynamic noise isolation switch(DNIS optional)
·5~65MHz RF bandwidth to meet different CATV system requirements
·Adopt high-quality low power reverse amplifier module, improved the reliability
·Modular design, independent four-channel receiver module, adopt all-metal shielding housing, greatly increasing the isolation between the ports, and facilitate increasing the quantity when expand the network
·RFoG,Normal two operating modes optional
·High quality switch power supply, wide range and high reliability
·Perfect security electric circuit(overvoltage, lightning protection)
·Perfect LCD display control and network management interface, easy to control from the computer
Diagram
Specifications
NO. |
Items |
Unit |
Performance |
Remark |
Optical | ||||
1 |
Wavelength |
nm |
1260~1590 |
|
2 |
Input Power Range |
dBm |
-20~0 |
The recommended range, -27dBm may also work |
3 |
Return Loss |
dB |
>45.0 |
|
4 |
Power Instruction Precision |
|
5% |
|
RF | ||||
5 |
RF Passband |
MHz |
5~65 |
|
6 |
Output Level |
dBuv |
≥80 |
Input optical power is -20dBm, ATT is 0dB, 4% OMI |
7 |
Flatness |
dB |
≤±0.75 |
|
8 |
Output Return Loss |
dB |
≥16 |
|
9 |
Output Test Point |
dB |
-20±0.75 |
|
10 |
Isolation between Channels |
dB |
>70 |
|
11 |
CNR |
dBc |
≥51 |
|
12 |
CSO |
dBc |
≥60 |
|
13 |
CTB |
dBc |
≥65 |
|
User Interface | ||||
14 |
Optical Connector |
|
SC/ APC |
Default value, FC/APC optional |
15 |
Optical Fiber Type |
|
Single-mode fiber |
|
16 |
RF Test Port Type |
|
Metric F head |
Default value, Imperial optional |
17 |
RF Output Port Type |
|
Metric F head |
Default value, Imperial optional |
18 |
Power Interface |
|
AC 220V |
|
General | ||||
19 |
Dimension |
mm3 |
184×43×432 |
W×H×L |
20 |
Power Supply |
|
AC 50Hz220V 30VA |
|
21 |
Operating Temperature |
°C |
0~+50 |
|
22 |
Storage Temperature |
°C |
-25~ +65 |
|
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