Optics and Optical Networking

Engage with peer and Cisco experts about pluggable optics (Optics) and optical transport networks (Optical Networking).
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Learn how to make your network more efficient when you transition to Routed Optical Network.

Forum Posts

Hello Hope everything is working fine with you. Could you please do me a favor on below questions? We shut down the local SFP, and monitor the received power on opposite SFP. The received power is always -40dBM when we using below modules. I think ...

neiren by Cisco Employee
  • 2641 Views
  • 2 replies
  • 0 Helpful votes

 Hi, I have a newly deployed DWDM on NCS2000, we have some out of span links, APC is taking care of that but i need to modify the parameters without changing the hardware setup. I need to lock the hardware specs in order modify the fiber dialog losse...

samiwehbi by Level 1
  • 869 Views
  • 0 replies
  • 0 Helpful votes

Hello there!My network backbone currently consists of 1000BASE-SX links using OM2 multimode G50/125 µm fiber. The lengths are approximately 108 m / 98 m / 43 m / 40 m.Now I'm supposed to upgrade to 10 Gigabit; what options do I have?10GBASE-SR offici...

D8CE8FD5 by Level 1
  • 1772 Views
  • 6 replies
  • 0 Helpful votes

HiI have a strange problem I have not come across before, where one end of a fibre connection shows as "connected" but the other end shows as "not connected".I have a C2960-48PST-L connected to a C3750X-12S-E via OM4 fibre. Both switches use GLC-SX-M...

Resolved! ASR920

Hi,I ask for your help in solving the problem.I have ASR-920-12SZ-IM without licenses for 10G interfases.The manual says:   Without License: The licensed ports Te0/0/12 - Te0/0/15 operate in 1G mode.But when I install the optical 10G SFP in the Te0/0...

pavlod by Level 1
  • 1420 Views
  • 3 replies
  • 0 Helpful votes