Optics and Optical Networking

Hi, I would like to know which of 2955s integrated LX module hole is RX and which is TX (got cable with connectors separated :/ )Sorry if such a topic already exists.Link of switch interface:www.google.lt/search?rlz=1C1SKPL_enLT464LT464&es_sm=93&q=ci...

Hi Team,Can you let me know which is  the other series below Cisco ASR 9K which supports PBB feature.Thanks,

I just recently inherited the O&M of our ONS 15454 SONET MSPP ring.  My first task was to upgrade the software to 9.2.15, which went great, no issues to report.  But now I'm having trouble opening IOS connections (from the CTC) to all of my ML Ethern...

Hello colleagues,I want to know which Industrial Series Switch I need to choose and meets the following minimum specifications.-at least 4 SFP ports 1Gigabit-at least 4 PoE port 100MB-IP20 or IP30I can use extra modules for to achieve the minimum tec...

I am trying to use a GLC-LH-SM module in a c3048TP-1ge-sup switch. I cannot get the interface to come up. I can see in the logs that it sees when it is inserted and removed. The other side is also a GLC-LH-SM. I am able to get a link when connecting ...

My query to all of you is;If I connect a GLC-SX-MMD on a Cisco 2960S switch at one end and MGBSX1 on a SG300-28 SMB switch at the other end, will the link come up? Are these different types of modules interoperable?Can I use VLAN truncking through th...

We are currently getting dark fiber circuit ran. And the distance changed from 93KM to >100Km. Exact distance has not yet been provided as the splicing is not complete. I purchased the CWDM-SFP-1550 Optic which can go 100Km. If my loss is too great a...

Hi all,I have two same switches: S1 - WS-C3560X-24P (ver. IOS 12.2 SE2).I put them two identical SFP modules CISCO GLC-SX-MM SFBR-5766PZ. (inter gi1/1 or gi1/2)I reset the factory settings.I tried: no shutdownservice unsupported-transceiver but still...

Hi allI found message "Facility high Rx Power" on 10DME card. So, I need to know what is the root cause and reason to get the message. Please give me the idea or comment. ThanksVNote: Please see the picture from attach file

I was hoping someone might be able to point me in the right direction.  I just added an ECWDM solutoin with a 10 gig DWDM link which is X-2 on both sides.  On my remote side I'm seeing input and CRC errors but with a good light level.  I've changed o...

Hi allI would like to some help that customer need to upgrade ONS15454 MSTP from version 7.0 to 9.8. So, I may need some help 1. how to upgrade it ?a2. Is it possible to direct upgrade to 9.8? 3. I saw many file information in cisco web site, and whi...

Would anyone happen to know where I can find good tutorials on OTN Technology and ROADM?Sent from Cisco Technical Support iPhone App