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MikroTik HS-2733LC20D - BiDi SFP 1G/2.5G 20km Module Kit (2 pcs)
The MikroTik HS-2733LC20D is a set of two 1G and 2.5 Gbps BiDi SFP modules. It enables bidirectional transmission over a single single-mode fiber optic cable at distances up to 20 km, using wavelengths of 1270 nm and 1330 nm with a Simplex LC connector.
MikroTik HS-2733LC20D – 1G/2.5G BiDi SFP Module Kit (Single-Mode, 20 km)
MikroTik HS-2733LC20Dis a pair of SFP (BiDi) modules designed for building single-mode fiber optic connections over distances up to 20 kilometers. The main advantage of this kit is the ability to transmit and receive signals at different wavelengths (1270 nm and 1330 nm) via a single fiber. This reduces the need for cable infrastructure while maintaining a highly stable connection over long distances.
The presented model is a direct successor and extension of the popular S-3553LC20D set. The new generation offers native support for 2.5 Gbps throughput (while also supporting the standard 1 Gbps). This is a practical and economical choice for installations requiring higher throughput using existing cables. The inserts are also equipped with digital diagnostics (DDM), allowing administrators to continuously monitor key parameters (optical power, temperature, voltage, and laser bias current).
Key Features:
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Bandwidth: Supports data transmission at speeds of 1 Gbps and 2.5 Gbps.
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BiDi: Bidirectional transmission over just one fiber Fiber optic.
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Range up to 20 km: Ideal solution for establishing long-distance connections in single-mode infrastructure.
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Wavelength: Use of two radio waves – 1270 nm and 1330 nm.
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Interface: Standard Simplex LC optical connector.
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DDM Diagnostics: Built-in real-time monitoring of optical and environmental link parameters.
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Optical Parameters: Transmitter output power from -5 to 0 dBm; Receiver sensitivity of -18 dBm.\
Technical Specifications
Optical Transmission Parameters |
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| Wavelength (Wavelength) | 1270 nm + 1330 nm |
| Transmission Speed (Data Rate) | 1G 2.5G |
| Transmitter Output Power (Transmitter Output Power) | From -5 to 0 dBm (inserted into 9/125μm single-mode fiber) |
| Receiver sensitivity (OMA) | Max. -18 dBm (measured with PRBS 2^7-1 @2.5Gbps test pattern, worst-case extinction ratio, BER ≤1×10⁻¹⁰) |
| Loss of Signal (LOS) Indication | LOS-Deasserted (Average): Max. -19 dBm LOS-Asserted (Average): Min. -35 dBm LOS Hysteresis: 0.5 to 5 dB |
Electrical Characteristics |
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| Output Voltage Receiver | 300 – 600 mVpp (differential, with 100Ω termination) |
| LOS Output Voltage Levels | LOS Output Voltage-High: From Vcc - 0.5V to Vcc LOS Output Voltage-Low: From Vee to Vee + 0.5V |
| LOS Output Specifications | Open collector output. Requires pull-up with a 4.7kΩ – 10kΩ resistor on the motherboard. Logical 0 indicates normal operation; Logical 1 indicates signal loss. |
Other |
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| Module Format | SFP |
| Connector Type | Simplex LC |
| Fiber Type (Mode) | Single Mode |
| Maximum Distance | Up to 20 km |
| Manufacturer SKU | HS-2733LC20D |
|---|---|
| Manufacturer | Mikrotik |
| GPSR contact | Mikrotikls SIA Unijas iela 2, LV-1039 Riga, Latvia support@mikrotik.com |
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