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25GBASE-BX BiDi SFP28 1270nm-TX/1330nm-RX 10km DOM LC SMF Module Transceiver

RBSFP28-2325G-LRD
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Rollball 25G BIDI SFP28 Tx-1270/Rx-1330nm 10km LC DOM Module 


 

Item Specifications

 

Part Number

RBSFP28-2325G-LRD

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

10km

Wavelength   Tx-1270nm/Rx-1330nm
Cable Type  SMF Fiber connector LC Simplex 
Optical Components  DFB/PIN Operate Temperature  0 to 70°C (32 to 158°F) 
TX Power -7~2dBm Receiver Sensitivity <-11.5dBm
Certificates CE, ROHS,FCC, SGS DOM Support Yes 
Is_customized  Yes  Warranty  3 years 

 

 

Features

Up to 25.78Gb/s data rate
1270nm DFB laser and PIN receiver
1330nm DFB laser and PIN receiver
2-wire interface with integrated Digital Diagnostic monitoring
Up to 10km  transmission on SMF
BIDI LC optical connector
Single +3.3V power supply
RoHS-10 compliant and lead-free
Compliant with SFF+MSA and SFF-8472
Maximum power consumption 1.5WMetal enclosure, for lower EMI
Meet ESD requirements, resist 8KV direct contact voltage
Operating case 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 RBSFP28-XX25G-LRD SFP28 transceiver is designed for use in 25-Gigabit Ethernet links up to 10km over single mode fiber. The module consists of CWDM DFB Laser, PIN 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.
 


 

 







 


 

 

 

 

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