25G SFP28 optical transceiver is with a transmission rate of 25Gbps. It is mainly used in 25G Ethernet and 100G (4×25Gbps) Ethernet. Its function is to interconnect data center servers and switches. 25G optical transceivers can provide the most energy-saving way to meet the growing demands of data center networks.
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SFP-25G-SR4-S compatible SFP28 transceiver adopts LC duplex connectors, reaching a link up to 100m over OM4 MMF (70m over OM3). The SFP28 optical module supports running on the same 1G/10G network cabling Infrastructure, giving 2.5 times increase in speed at least, and the built-in DDM/DOM functions monitor the real-time operating status. Each SFP28 fiber module is individually tested on a series of Cisco switches, and is fully compliant with the SFP28 MSA, RoHS, CPRI, and the eCPRI standards.
Network Connectivity
Product Highlights
25G Connectivity for Data Center
The optical module adopts a hot-swappable SFP28 package, and the transmission distance through single mode fiber can reach up to 10km/15km.
Tested in Host Devices for Proven Interoperability
SFP28 transceiver is an enhanced version of SFP+ and has the same size as SFP+, but SFP28 25G optical module can support a single-channel 25Gb/s rate.
25G optical modules are roughly divided into three types, 25G dual-fiber modules, 25G WDM modules, and 25G BIDI modules.
We need to ensure that the receiving power of the module is not more than the receiver overload power to avoid the module being broken. So to get the 25G LR to work at 10m, you need to add about 3dB attenuation.
Yes, Unitekfiber's optical modules are compatible with Fiberhome, Huawei, ZTE, Cisco, Ericsson, Nokia and other brands.
The power consumption of this module <1w.
100G SR4 multi-mode optical modules can be used for interconnection. Under the premise of equipment support, 100G QSFP28 ports can be configured as 4*25G mode, and then MPO-LC fiber jumpers are used to connect 100G SR4 optical modules and 25G SFP28 optical modules.
At present, 25G SFP28 optical modules can transmit up to 40 kilometers. There are 25G SFP28 ER, 25G SFP28 bidi, 25G SFP28 CWDM, and 25G SFP28 DWDM.
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