Home > Products > Fiber Transceiver Module > 25Gb/s SFP28 BIDI 40km Optical Transceiver Module 25G BIDI SFP28 40KM
25Gb/s SFP28 BIDI 40km Optical Transceiver Module 25G BIDI SFP28 40KM
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Product Description
25G BIDI SFP28 1270/1330nm 40km Transceiver RBSFP28-XX25G-ERD
Product description
Rollball’s RBSFP28-XX25G-ERD SFP28 transceiver is designed for use in 25-Gigabit Ethernet links up to 40km over single mode fiber. The module consists of CWDM DFB Laser, APD and Preamplifier in a high-integrated optical sub-assembly. Digital diagnostics functions are available via a 2-wire serial interface, as specified in SFF-8472.
The transmitter converts 25Gbit/s serial PECL or CML electrical data into serial optical data compliant with the 25GBASE-LR standard. An open collector compatible Transmit Disable (Tx_Dis) is provided. Logic “1” or no connection on this pin will disable the laser from transmitting. Logic “0” on this pin provides normal operation. The transmitter has an internal automatic power control loop (APC) to ensure constant optical power output across supply voltage and temperature variations. An open collector compatible Transmit Fault (Tx_Fault) is provided. TX_Fault is module output contact that when high, indicates that the module transmitter has detected a fault condition related to laser operation or safety. The TX_Fault output contact is an open drain/collector and shall be pulled up to the Vcc_Host in the host with a resistor in the range 4.7-10 kΩ. TX_Disable is a module input contact. When TX_Disable is asserted high or left open, the SFP28 module transmitter output shall be turned off. This contact shall be pulled up to VccT with a 4.7 kΩ to 10 kΩ resistor
The receiver converts 25Gbit/s serial optical data into serial PECL/CML electrical data. An open collector compatible Loss of Signal is provided. Rx_LOS when high indicates an optical signal level below that specified in the relevant standard. The Rx_LOS contact is an open drain/collector output and shall be pulled up to Vcc_Host in the host with a resistor in the range 4.7-10 kΩ, or with an active termination. Power supply filtering is recommended for both the transmitter and receiver. The Rx_LOS signal is intended as a preliminary indication to the system in which the SFP28 is installed that the received signal strength is below the specified range. Such an indication typically points to non-installed cables, broken cables, or a disabled, failing or a powered off transmitter at the far end of the cable.
Features:
l Up to 25.78Gb/s data rate
l 1270nm DFB laser and APD receiver
l 1330nm DFB laser and APD receiver
l 2-wire interface with integrated Digital Diagnostic monitoring
l Up to 40km transmission on SMF
l BIDI LC optical connector
l Single +3.3V power supply
l RoHS-10 compliant and lead-free
l Compliant with SFF+MSA and SFF-8472
l Maximum power consumption 1.5W
l Metal enclosure, for lower EMI
l Meet ESD requirements, resist 8KV direct contact voltage
l Operating case temperature
Commercial: 0 ~ +70oC
Extended: -10 ~ +80oC
Industrial: -40 ~ +85oC
Application:
l High-speed storage area networks
l Computer cluster cross-connect
l Custom high-speed data pipes
l Inter Rack Connection
Part Number | Data Rate (Gb/s) | Wavelength (nm) | Transmission Distance(km) | Temperature (oC) (Operating Case) |
RBSFP28-2325G-ERD | 25.78 | 1270Tx/1330Rx | 40km SMF | 0~70 commercial |
RBSFP28-3225G-ERD | 25.78 | 1330Tx/1270Rx | 40km SMF | 0~70 commercial |
RBSFP28-2325G-ERDE | 25.78 | 1270Tx/1330Rx | 40km SMF | -10~80 Extended |
RBSFP28-3225G-ERDE | 25.78 | 1330Tx/1270Rx | 40km SMF | -10~80 Extended |
RBSFP28-2325G-ERDI | 25.78 | 1270Tx/1330Rx | 40km SMF | -40~85 Industrial |
RBSFP28-3225G-ERDI | 25.78 | 1330Tx/1270Rx | 40km SMF | -40~85 Industrial |
Rollball is always at your services with our fiber optical products. As professional manufacturer with rich experience, we have more than 100 different models for your choices, you are sure to stand out with Rollball advantage: competitive price , product warranty and excellent quality. You may check the clients feedback from all over the world. We guarantee what we have showed is 100% genuine and what else you are waiting for?
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We sincerely invite all interested buyers to visit our company and contact us directly for further information, we will reply you within 12hours !
Contact Us
- Shenzhen Rollball Comm-Tech Co., Ltd.
CWDM/DWDM Mux/Demux | Fiber Optic Cabling | Fiber Optic Splitter | Fiber Optics |
Fiber Transceiver Module | Media Converter | PoE Switch/Injector | Ungrouped |
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