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Overview of DWDM Optical Transceiver

What is a DWDM optical transceiver?

DWDM optical transceiver is a kind of WDM optical transceiver. It uses DWDM technology to multiplex multiple optical signals into one optical fiber to transmit data via different wavelengths without power consumption. They are designed for high-capacity and long-distance transmission, with a rate of up to 10Gbps and working distance up to 120km.

Classification of DWDM Optical Transceivers

Common DWDM optical transceivers are DWDM SFP, 10G DWDM SFP+, and 25G DWDM SFP28.

①DWDM SFP optical transceiver

DWDM SFP adopts DWDM technology and SFP package. DWDM SFP transceiver includes 44 optional channels and supports speeds from 100Mbps to 2.67Gbps. It is widely used in Fast Ethernet, Gigabit Ethernet, 1G/2G Fibre Channel Synchronous optical network. The working wavelength is 1528.77nm-1563.86nm, each interval is 0.8nm, and the transmission distance via single-mode fiber is up to 80km to 120km.

②10G DWDM SFP+ optical transceiver

10G DWDM SFP+ transceiver adopts a hot-swappable SFP+ package and supports the entire C-band. The operating temperature range is available in commercial grade (0℃-70℃) and industrial grade (-40℃-85℃). It complies with SFP28 MSA And 10G Ethernet standard, the longest transmission distance can reach 40km to 80km through single-mode fiber.

③25G DWDM SFP28 optical transceiver

25G DWDM SFP28 optical transceiver is mainly used to for 25G Ethernet and 5G fronthaul services. The maximum rate is up to 25.78Gbps, working wavelength is 1528.77nm-1563.86nm and interval is 0.8nm. The maximum transmission distance through single-mode fiber is up to 10km.

Advantages of DWDM Optical Transceiver

The DWDM optical transceiver supports pluggable and tunable, and there are 40 common channels for choosing, which greatly improves the efficiency of transceiver. Besides, it has different channel intervals such as 0.4nm, 0.8nm, and 1.6nm, which can support long-distance transmission up to 100km, and can be used as an effective solution for line bandwidth expansion.

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