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

Hi, A customer is using a pair of 3560-x with C3KX-NM-10G modules. The connection between the two switches are Multimode OM1 and approx 140 meters. 10Gb is running with no problems. SFPs is SFP-10G-LRM. Now the customer is trying to replace the 3560-...

jl81 by Level 1
  • 1505 Views
  • 3 replies
  • 0 Helpful votes

I have a new server with sfp intel E65689-005 that i need to connect to my C9410R with switch module C9400-LC-24XS . i need to know if the intel E65689-005 sfp is compatible with cisco SFP-10G-SR-S? the intel E65689-005 sfp specs are as below: -Suppo...

baselzind by Level 6
  • 1511 Views
  • 13 replies
  • 0 Helpful votes

Does the ConnectX-6 Dx NIC card (QSFP28) auto negotiate down to 25G SFP28 for Cisco Switch #9500-48Y4C?Connection between the two devices would be through break-out LC cable. NVIDIA mentions that it won't work with this switch as they have not tested...

ramvij by Level 1
  • 534 Views
  • 1 replies
  • 0 Helpful votes

What is the MTBF for 1000BASE-SX SFP adapters? I have looked through the product documentation/specifications here with no success (the product documentation is pretty weak): https://www.cisco.com/c/en/us/support/interfaces-modules/1000base-sx-sfp/mo...

m65045132 by Level 1
  • 3351 Views
  • 3 replies
  • 0 Helpful votes

Hi, I hope someone could please help clarify TX and RX light level.   This is the information i got from the CLI of cisco router:                                            Optical   Optical          Temperature  Voltage  Current   Tx Power  Rx Powe...

1230639am by Level 1
  • 315454 Views
  • 25 replies
  • 0 Helpful votes

Hi, I would like to know if the following connection is correct for communicate two site using a SMF (Single Strand): Catalyst 3850 -> GLC-BX-D ----> Single Strand of SMF <---- GLC-BX-U-> Catalyst 3850 One GLC-BX-D in one side of the link and one GL...