Optical Transceiver
Optical Transceivers Introduction

What are the 2.5G SFP Gigabit dual fiber optical modules?

  • March 05. 2021

The 2.5G SFP dual fiber optical module is a full-duplex transceiver module with a maximum rate of 2.67Gbps. The operating temperature range is commercial grade (0-70), extended grade (-20-85), and industrial grade. (-40-85) optional.

2.5G SFP dual-fiber series optical modules comply with SFP MSA and synchronous optical network (SONET OC-48 / SDH STM-16) standards, and are compatible with Gigabit Ethernet and 1G/2G Fibre Channel standards. The working voltage of this series of optical modules is 3.3V, which complies with RoHS environmental protection standards (lead-free).

The transmission distance of 2.5G SFP series optical module ranges from 300m to 120km. The following ETU-LINK lists the parameter information of the 2.5G dual fiber optical module.

ETU PN

Wavelength

Distance

Fiber Type

Operating temperature

DDM

ES8524-3LCD03

850

300m

Multimode

0℃-70℃

Yes

ES3124-3LCD2

1310

2km

Single mode

0℃-70℃

Yes

ES3124-3LCD20

1310

20km

Single mode

0℃-70℃

Yes

ES3124-3LCD40

1310

40km

Single mode

0℃-70℃

Yes

ES5524-3LCD80

1550

80km

Single mode

0℃-70℃

Yes

ES5524-3LCD120

1550

120km

Single mode

0℃-70℃

Yes

Generally, the wavelength of the multimode optical module is 850nm and the transmission distance is within 500m. The 2.5G multimode optical module can be equipped with OM2 patch cords, and the transmission distance can reach up to 500m. The wavelength of single-mode optical module is 1310, 1490, 1550nm, 2.5G single-mode optical module can be matched with OS2 single-mode patch cord, and the transmission distance can reach up to 120km.

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