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SFP-10G-LR-S vs SFP-10G-LR

Q: 

Is there anyone that can explain what is (are) the difference(s) between the two optics in the title ?

In particular what are the "unnecessary features" of the SFP-10G-LR-S ? Can they be used in UA to Core deployment ?


A:

The table below shows the key feature differences for the 10 Gbps S-class vs. C-class.

For UA to core campus applications, S-class are quite suitable.

 

C-Class

S-Class

Multi-rate vs Single-rate

Multi-rate optics:

  • Ethernet
  • OTN
  • WAN-PHY

Single-rate optics:

  • Ethernet only

Operating temperature range

  • Commercial (0C to 70C)
  • Extended (-5C to 85C)
  • Industrial (-40C to 85C)
  • Commercial (0C to 70C) only