Optics and Optical Networking

Reading through the various topics here, I haven't seen this question directly addressed, so here goes. For the sake of discussion, I have two Cisco switches, Switch1 and Switch2.  I  run the "show interface transceiver" command at both and get the f...

I am trying to figure out the correct optical cables to use for my switch. The old one was using the GLC-SX-MM connectors and optical cable 62.5/125 MM-2.0x 4.1 OFNR. Not sure if these would work for the new one or not. Any suggestions on how to figu...

What is the difference between a SFP GLC-LH-SMD++ and GLC-LH-SMD I cannot seem to find any information on these SFP's

HiI installed an SPF into my Cisco WS-C2960-8TC-Si and when I hook everything up the indicator LED lights are not coming on.I have been using this switch for a wile and I wanted to upgrade the connection from the switch to the router with FO.I purcha...

Hello, Is there any dangers of using 20KM SMF SFP instead of already existing 10KM SFP reach ? Thanks

Hi all, Just wanted to clarify is this transceiver GLC-BX-U has patch cord of LC? if yes, what are the model ? Someone please assist , thank you

ASR-920-24SZ-IM interface went down after upgrade 3.18.04 to 3.18.06We do not see any error codes in the logs.We believe something is wrong in the code in the ASR-920-24SZ-IM  otthe SFPs? We tried changing 10 gigs SFP and have them not plugged in dur...

I was wondering which "transceiver type" is the correct one for a SFP that will be going into a Cisco 9k. Doing a "show version" this is our switch model.cisco Nexus9000 C93180YC-FX Chassis I tried this SFP in the link below but it did not work. When...

Hi I am not a network person, please answer me like I am a three year old.I have a WS-C2960-8TC-S; (actually the case says "Si")  SN: FOC1529V12A. I would like to purchase a SFP Transceiver  so I can send it a FO signal. 1) Which SFP Transceiver shou...

Hi I just want to ask if GLC-BX-D/U are compatible to all single mode fiber optic cables? Thank you.