P/N: 25G SFP28 SR
Data Rate: 25.78 Gbps
Mode: Multi-mode
Connector: LC Duplex
Fiber Type: MMF
Wavelength: 850 nm
Max Distance: 70m on OM3 MMF
100M om OM4 MMF
DDM: With DDM(default) / without DDM
Transmitter: 850nm VCSEL
Receiver: 850nm PIN
TX Power: -7.2 ~ +2.4 dBm
Receiver Sensitivity : ≤ -10.3 dBm
Temperature: 0 to +70℃ (Comericial) / -40 to +85℃ (Industrial)
Compatible: Cisco, HP, Brocade, Juniper Networks, H3C, Huawei, Arista Networks, etc. or Custom
P/N: 25G SFP28 SR
Data Rate: 25.78 Gbps
Mode: Multi-mode
Connector: LC Duplex
Fiber Type: MMF
Wavelength: 850 nm
Max Distance: 70m on OM3 MMF
100M om OM4 MMF
DDM: With DDM(default) / without DDM
Transmitter: 850nm VCSEL
Receiver: 850nm PIN
TX Power: -7.2 ~ +2.4 dBm
Receiver Sensitivity : ≤ -10.3 dBm
Temperature: 0 to +70℃ (Comericial) / -40 to +85℃ (Industrial)
Compatible: Cisco, HP, Brocade, Juniper Networks, H3C, Huawei, Arista Networks, etc. or Custom
25G BASE SFP28 Transceiver Module
X-Krama's 25G optical modules are low-speed optical modules in the optical module market. The emergence
of 25G optical modules compensates to a certain extent for the high price of high-speed optical modules while the
speed of 10G optical modules cannot meet the needs of users.
The 25G SFP28 optical module is mainly used for the interconnection of data center servers and switches. It is
a new Ethernet standard with multiple advantages. It was proposed by the IEEE 802.3 working group in July 2014
and was revised in June 2016. complete. The biggest advantage that 25G Ethernet technology brings to data
centers is that it can maximize bandwidth and port density, and it can also use 25Gb/s single-channel physical
layer technology to achieve 100Gb data transmission, and it can provide the most energy-efficient Ways to meet
the increasing demands of next-generation data center networks.
Features :
Supports up to 25.78Gb/s data rates
Transmission up to 70m on OM3 MMF, 100m on OM4 MMF
850nm VCSEL transmitter and PIN photo-detector
Duplex LC connector
Internal CDR on both transmitter and receiver
Digital diagnostics functions are available via the I2C interface
Electrical interface specifications per SFF-8431
Management interface specifications per SFF-8432 and SFF-8472
Hot-pluggable SFP28 footprint
Low power dissipation
Metal enclosure, for lower EMI
RoHS compliant and lead-free
Single +3.3V power supply
Operating case temperature: Standard : 0 to +70°C / Industrial : -40 to +85°C
Applications :
25G Ethernet
CPRI Option 10
Data Center
SONET OC-192 / SDH STM-64
Switch and Router
Inter Rack Connection
High-speed storage area networks
P/N Product Description
X-SFP28-25G85-SR | SFP28, 25Gb/s, MM, 100m, LC, TRx 850nm, 0-70 degree, with DDM |
X-SFP28-25G31-LRL | SFP28, 25Gb/s, SM, 300m, LC, TRx 1310nm, 0-70 degree, with DDM |
X-SFP28-25G31-LR | SFP28, 25Gb/s, SM, 10km, LC, TRx 1310nm, 0-70 degree, with DDM |
X-SFP28-25G31-ERL | SFP28, 25Gb/s, SM, 30km, LC, TRx 1310nm, 0-70 degree, with DDM |
X-SFP28-25G31-ER | SFP28, 25Gb/s, SM, 40km, LC, TRx 1310nm, 0-70 degree, with DDM |
X-SFP28-25G85-SR-IN | SFP28, 25Gb/s, MM, 100m, LC TRx 850nm, -40 to +85 degree, with DDM |
X-SFP28-25G31-LRL-IN | SFP28, 25Gb/s, SM, 300m, LC TRx 1310nm, -40 to +85 degree, with DDM |
X-SFP28-25G31-LR-IN | SFP28, 25Gb/s, SM, 10km, LC TRx 1310nm, -40 to +85 degree, with DDM |
X-SFP28-25G31-ERL-IN | SFP28, 25Gb/s, SM, 30km, LC TRx 1310nm, -40 to +85 degree, with DDM |
X-SFP28-25G31-ER-IN | SFP28, 25Gb/s, SM, 40km, LC TRx 1310nm, -40 to +85 degree, with DDM |
About US
Address: Xinming High-tech Industrial Park, Y143
Bao'an District, Shenzhen, China
X-krama International Co., Limited
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