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Help CenterNIS2000 Advanced TDM Technique Noise Isolator
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Summarize
NIS2000 noise isolator adapt to advanced HFC network high-speed data services, effectively control over the return noise convergence,improve the network reliability. Adopt the wild-type metal shielding housing, can be added on the node, bi-directional amplifier’s ports, or the floor, directly fed from the uplink port to work. It adopts time-division control technology(TDM) as same as CMTS,use “burst” mode to “open” or “off” simultaneously with CM return signal, so that allowing only one NIS2000 port to communicate with CMTS head-end at any given time, greatly improved the intrusive noise.
Features
·Support the common HFC set-top box, CM and head-end equipment
·Transparent return channel (protocol and modulation in any manner)
·Convenient power supply(directly feed AC60V from the uplink port,also can feed downlink)
·Reduce the noise convergence
·Compatible with DAVIC, DOCSIS standard
Diagram
Specifications
NO. |
Item |
Condition |
Unit |
Description |
Remark |
Downlink |
|
||||
1 |
Bandwidth |
Default |
MHz |
87~1000 |
customized |
2 |
Flatness |
|
dB |
±0.75 |
|
3 |
Insertion Loss |
At the worst condition |
dB |
1.5 |
|
4 |
RF Return Loss |
At the worst condition |
dB |
-16 |
|
Return Channel |
|
||||
5 |
Bandwidth |
At the worst condition |
MHz |
25~65 |
customized |
6 |
Flatness |
At the worst condition |
dB |
±0.75 |
|
7 |
Insertion Loss |
At the worst condition |
dB |
3.5 |
|
8 |
RF Retuen Loss |
At the worst condition |
dB |
-16 |
|
9 |
Operating Mode |
|
|
Burst Mode |
|
10 |
Switching Threshold |
Default |
dBuV |
65 |
customized |
Power and Environmental |
|
||||
11 |
Operating Temperature |
|
|
- 40~+60 |
|
12 |
Operating Humidity |
Non-condensing |
|
5%~95% |
|
13 |
Voltage |
|
V |
AC60 |
|
14 |
Power Consumption |
Max |
W |
0.1 |
|
15 |
Surge Protection |
|
KV |
6 |
|
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