Cisco SFP-25G-SR-S= 25GBASE-SR (S-Class) SFP28 Transceiver Module, MMF 850nm, Max 100Mt 
 
Features and benefits of Cisco 25G Modules
● Interoperable with other IEEE-compliant 25G interfaces where applicable
● Certified and tested on Cisco SFP28 ports for superior performance, quality, and reliability
● High-speed connectivity compliant to IEEE 802.3by and IEEE 802.3cc
 
Table 1. Cisco 25G Portfolio
Product
Descriptions
Cisco SFP-25G-SR-S
25GBASE-SR SFP28 Module for MMF
Cisco SFP-25G-SL
25GBASE-SL SFP28 Module for MMF
Cisco SFP-10/25G-CSR-S           
10/25GBASE-CSR SFP28 Module for MMF
Cisco SFP-10/25G-LR-S
10/25GBASE-LR SFP28 Module for SMF
 
Cisco SFP-25G-SR-S
The Cisco 25GBASE-SR Module supports a link length of 70/100m on OM3/4 MMF.
This module requires RS-FEC on the host ports.
 
Cisco SFP-10/25G-LR-S
The Cisco 10/25GBASE-LR Module supports a link length of 10 kilometers on standard Single-Mode Fiber (SMF) G.652 at both 10G and 25G.
This module requires RS-FEC on the host ports for operation at 25G.
 
Environmental conditions
Operating temperature range:
●     Commercial temperature range: 0 to 70°C (32 to 158°F)
●     Industrial temperature range: -40 to 85°C (-40 to 185°F)
●     Storage temperature range: -40 to 85°C (-40 to 185°F)
 
Product specifications
 
DataSheet Pdf