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2.5G-SFP-LX03-SM1310-BIDI-I 2.5G BiDi SFP 1310nm-TX/1550nm-RX 3-km DOM Simplex LC SMF Transceiver Module

Applicable to data center and campus networks, enabling cost-effective, efficient, and high-speed interconnection.

Highlight Features
  • Max. power consumption 1 W.
  • Saving half fiber by using only one fiber for transmiting and receiving.
  • Hot pluggable SFP MSA compliant.
  • Digital optical monitoring capability for strong diagnostic capabilities.
  • Compliant with IEEE 802.3z Gigabit Ethernet.
  • Class 1 Laser safety and RoHS compliant.
Sales Enquiry

As an industry-leading ICT infrastructure and industry solution provider, Ruijie offers customers a wide variety of high-density and low-power 2.5G optical modules. They are applicable to data center and campus networks, enabling cost-effective, efficient, and high-speed interconnection among switches, routers, servers, and network interface controllers (NICs).

The 2.5G-SFP-LX03-SM1310-BIDI-I is aligned to IEEE 2.5GBASE-LX optical specifications and supports a link length of up to 3 kilometers over a single mode fiber (SMF) with a BIDI LC connector. It adopts the SFP form factor and operates at a wavelength of 1310 nm. The transceiver conforms to SFF-8431, SFF-8472, and RoHS standards.


Optical Module Specifications




Data rate

3.125 Gbps

Form factor


Connector type


Cable type


Fiber end face finish type

Ultra Physical Contact (UPC)

Transmitter type



Receiver type



3 km (9,842.52 ft.)

Bit error ratio (BER)


Data diagnosis-capable (DDM/DOM)


Power consumption

1 W

Transmitter Optical Parameters


1310 nm TX

1550 nm RX

1550 nm TX

1310 nm RX

Max. transmit power (AVG)

–3 dBm

Min. transmit power (AVG)

–9 dBm

Min. extinction ratio

6.5 dB

Receiver Optical Parameters

Receive sensitivity (OMA)

< –16 dBm

Overload optical power (AVG)

–3 dBm

Environment and Reliability

Operating temperature

–40ºC to +85ºC (–40ºF to +185ºF)

Operating humidity

10% RH to 90% RH

Storage temperature

–40ºC to +85ºC (–40ºF to +185ºF)

Storage humidity

10% RH to 90% RH

Dimensions and Weight


(W x D x H)

56.5 mm x 13.5 mm x 8.5 mm (2.22 in. x 0.51 in. x 0.33 in.)


35 g (0.08 lbs.)

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2.5G LX module, SFP form factor, BIDI LC, 3 km (9,842.52 ft.) over SMF


2.5G LX module, SFP form factor, BIDI LC, 3 km (9,842.52 ft.) over SMF

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