SFP28 25G LR
T&S TSSP-3125G-LR is a single-Channel, Pluggable, Fiber-Optical SFP28 for 25 Gigabit Ethernet Applications. It is a high-performance module for data communication and interconnect applications that operate at 25.78125 Gbps up to 10km. This module is designed to operate over single-mode fiber systems using a nominal wavelength of 1310nm. The electrical interface uses a 20 contact edge type connector. The optical interface uses duplex LC receptacle.
Features of 25GSFP28LR
Up to 25.78 Gb/s bi-directional data links
Hot-pluggable SFP+ footprint
Built-in digital diagnostic functions
1310nm DFB laser transmitter
Duplex LC connector
RoHS compliant
Up to 10 km on 9/125μm SMF
Metal enclosure, for lower EMI
Single 3.3V power supply
Operating case temperature
Commercial: 0°C to +70 °C
+3.3V single power supply RoHS compliant
Applications of SFP28 25G LR
25GE LR
eCPRI & CPRI
Specifications of SFP28 25G LR
Absolute Maximum Rating
These values represent the damage threshold of the module. Stress in excess of any of the individual Absolute Maximum Ratings can cause immediate catastrophic damage to the module even if all other parameters are within Recommended Operating Conditions.
Notes:
Module circuit ground is isolated from module chassis ground within the module.
should be pulled up with 4.7k – 10k ohms on host board to a voltage between 3.15Vand 3.6V.
Tx_Disable is an input contact with a 4.7 kΩ to 10 kΩ pullup to VccT inside the module.
Mod_ABS is connected to VeeT or VeeR in the SFP+ module. The host may pull this contact up to Vcc_Host with a resistor in the range 4.7 kΩ to10 kΩ.Mod_ABS is asserted “High” when the SFP+ module is physically absent from a host slot.
RS0 and RS1 are module inputs and are pulled low to VeeT with > 30 kΩ resistors in the module.
Regulatory Compliance of SFP28 25G LR
T&S SFP+ transceiver is designed to be Class I Laser safety compliant and is certified per the following standards:
Important Notice of SFP28 25G LR
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by T&S before they become applicable to any particular order or contract. In accordance with the T&S policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of T&S or others. Further details are available from any T&S sales representative.
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