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25GBASE CWDM SFP28 1330nm 40km DOM LC SMF Module Transceiver

RCSFP28-3325G-ERD
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$340.00
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    Industry grade: -40 to +85 degree
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Rollball 25G CWDM SFP28 1330nm 40km Duplex LC DOM Module 


 

Item Specifications

 

Part Number

RCSFP28-3325G-ERD

Brand Name Rollball 
Form type SFP28 Data Rate 25Gb/s
Max Cable Distance:

40km

Wavelength   1330nm
Cable Type  SMF Fiber connector LC duplex 
Optical Components  DFB/APD Operate Temperature  0 to 70°C (32 to 158°F) 
TX Power 0~5dBm Receiver Sensitivity <-14dBm
Certificates CE, ROHS,FCC, SGS DOM Support Yes 
Is_customized  Yes  Warranty  3 years 

 

 

Features

Up to 25.78Gb/s data links
CWDM DFB laser and APD receiver
Up to 40km on 9/125um SMF
Hot-pluggable SFP footprint
Digital diagnostic capabilities
Class 1 laser safety certified
Cost effective SFP28 solution, enables higher port densities and greater bandwidth 
RoHS-10 compliant and lead-free
Single +3.3V power supply
2-wire interface for management specifications compliant with SFF-8472 digital diagnostic monitoring interface for optical transceivers
All-metal housing for superior EMI performance
Case operating temperature
Commercial: 0 ~ +70oC
Extended: -10 ~ +80oC
Industrial: -40 ~ +85oC


Applications:

 

High-speed storage area networks
Computer cluster cross-connect
Custom high-speed data pipes
Inter Rack Connection

 

Description:
Rollballs RCSFP28-XX25G-ERD 25Gb/s SFP28 transceiver consists of five sections: the LD driver, the limiting amplifier, the digital diagnostic monitor, the CWDM DFB laser and the APD photo-detector .The module data link up to 40km in 9/125um single mode fiber.
 
The module optical connection is duplex LC and shall be compatible with SFP+ 28Gbps and backward compatible with legacy 10G SFP+ pluggable. The SFP28 CWDM LR module is a dual directional device with a transmitter and receiver plus a control management interface (2-wire interface) in the same physical package. 2-wire interface is used for serial ID, digital diagnostics and module control function.
 
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.
 

 


RCSFP28-XX25G-ERD Wavelength List:
Wavelength xx Clasp Color Code Wavelength xx Clasp Color Code
1270 27 Gray 1330 33 Purple
1290 29 Gray 1350 35 Blue
1310 31 Gray 1370 37 Green
 

 







 


 

 

 

 

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