SFP module single mode 155M 160km Tx1490Rx1550 Transceiver
Model type | SFP-155M-BIDI-160KM | Brand | HTF |
Encapsulation | SFP | Data Rate | 155M |
Wavelength | 1490nm-TX/1550nm-RX 1550nm-TX/1490nm-RX | Reach | 160KM |
Cable Type | SMF（9/125µm） | Interface | BIDI LC optical connector |
Tx power | 0~5dBm | Rx Sens | <-35dBm |
Protocols | SFF-8472 MSA compliant &SFF-8431;MSA Compliant | Features | Hot-pluggable SFP footprint； Low power dissipation； Metal enclosure, for lower EMI； RoHS compliant and lead-free； Support Digital Diagnostic Monitoring interface； Single +3.3V power supply |
Commercial Temperature Range | Commercial: 0 ~ +70oC Extended: -10 ~ +80oC Industrial: -40 ~ +85oC | ||
Optical Components | 1490nm DFB laser transmitter and PIN photo-detector |
Applications
◎Switch to Switch Interface
◎Fast Ethernet
◎Switched Backplane Applications
◎Router/Server Interface
◎Other Optical Links
Part Number Ordering Information
Part Number | Data Rate (Mb/s) | Wavelength (nm) | Transmission Distance(km) | Temperature (oC) (Operating Case) |
HTSF-B1M4955YC | 155 | 1490Tx/1550nmRx | 160km SMF | 0~70 commercial |
HTSF-B1M4955YE | 155 | 1490Tx/1550nmRx | 160km SMF | -10~80 Extended |
HTSF-B1M4955YI | 155 | 1490Tx/1550nmRx | 160km SMF | -40~85 Industrial |
The Classification of dispersion
Optical fiber dispersion is mainly composed of modal dispersion, material dispersion, and waveguide dispersion. Among them, material dispersion and waveguide dispersion are related to wavelength, so they are collectively called wavelength dispersion.
(1) Mode dispersion
In multimode fiber, there are many transmission modes. Different modes have different transmission paths, different distances, and different time to reach the end point, which causes the broadening of the pulse. This is the mode dispersion.
(2) Material dispersion
Material dispersion is caused by the characteristics of the fiber material itself, and each material has different values for different transmission wavelengths.
(3) Waveguide dispersion
After the light pulses from a light source with a certain pop width are taken into the optical fiber, the optical transmission paths of different wavelengths are not exactly the same, so the time to reach the end point is also different, which results in pulse broadening. Waveguide-induced, so called waveguide dispersion
FAQ
1、Question: Is it possi le to order 400 to 500 of these??
Answer: Of course! Please contact us at "sales2@htfuture.com", we will offer you a reduced price for this bulk order. Look forward to cooperate with you.
2、Question：What are CWDM, DWDM, SFP and GBIC used for? What kind of company buys them?
Answer：These are optical fiber transceivers designed to be used with passive optical multiplexers. If you have a number of these all transmitting on different wavelengths, you can use a passive multiplexer to combine each signal onto a single fiber pair, and then de-multiplex the signal at the far end. Unlike active systems, a passive multiplexer requires no power or management - it's literally a set of waveguides and prisms in a rack mount chassis - which greatly reduces the cost of doing WDM and eliminates a potential point of failure in the system.
3、Question：What's the 40G LR4 transceivers max supported distances?
Answer：The 40GBASE-LR4 QSFP+ transceivers support up to 10km over single mode fibers.
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