Simplex bidi sfp multimode 155Mbs 40km Module
Model type | SFP-155M-BIDI-40KM | Brand | HTF |
Encapsulation | SFP | Data Rate | 155M |
Wavelength | 1310nm-TX/1550nm-RX 1550nm-TX/1310nm-RX | Reach | 40KM |
Cable Type | SMF(9/125µm) | Interface | BIDI LC optical connector |
Tx power | -7~-2dBm | Rx Sens | <-32dBm |
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 | 1310nm FP laser transmitter and PIN photo-detector |
Part Number Ordering Information
Part Number | Data Rate (Mb/s) | Wavelength (nm) | Transmission Distance(km) | Temperature (oC) (Operating Case) |
HTSF-B1M3155EC | 155 | 1310Tx/1550nmRx | 40km SMF | 0~70 commercial |
HTSF-B1M3155EE | 155 | 1310Tx/1550nmRx | 40km SMF | -10~80 Extended |
HTSF-B1M3155EI | 155 | 1310Tx/1550nmRx | 40km SMF | -40~85 Industrial |
How BIDI SFP connect?
For BIDI SFP, because it uses different wavelengths to transmit and receive signals, (security weak current ring) we should connect two BIDI SFPs with opposite wavelengths together. For example, we use the TX1310/RX1550nm BIDI SFP on one end, and then we should use the TX1550/RX1310nm BIDI SFP on the other end.
The deployment of BIDI transceivers effectively enhances the bandwidth capacity of existing fiber infrastructure and contributes to the economic and reliable performance of optical networks. By specializing in design, HTF provides customers with one-stop optical network devices and Cost-effective optical communication products, supplying a range of SFP optical module products.

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Warranty: 3 years warranty
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FAQ
1、Question:Wills it Compatibility with Huawei?
Answer:Yes, it will.
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.
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