Optics and Optical Networking

Hi, I am looking for an optical module with the following spec. I have two specs and I am looking for a module with which I can meet bothSpec 110GbpsInput Power: -23dBm(min)to -7dBm(max)Operating wavelength: 1550nm Single modeSpurious degradation <3d...

We recently purchased and built out a DWDM mux solution that includes NCS 1001 amplifiers. The amplifiers are connected via an 11km dark fiber span. We have been running on it for about 3 months without any issues. Since we did not have any experienc...

Hi All.   Getting the below alert, can some one help please how to metigate and reason of port flapping.   Interface TenGigabitEthernet0/0/11, link down due to MAC local and PHY line side fault. Transceiver Rx optical power is too low (-40.0 dbm)    

I've got an ONS15454-M6 with TNC-E management and the CF card failed. I've procured a new 4GB CF card. Is there a process by which I can format the replacement card and copy the system software onto it? I do not have a redundant TNC-E but do have the...

Hello guysGenerally, professionals in Optical Networking are not as visible as e.g. Routing and Switching. I have never met a cisco certified professional in Optics and Optical Networking (I understand they are there, just that I am personally yet to...

Hi experts, i've been testing some TL1 commands for getting received optical power information, but I didn't find the specific command to see OSC power information. Does anyone know how to get this? The only command I got is below: >> RTRV-PM-FSTE::F...

I have TWO Cisco OLT (Model: CON-SNT-CGPONT4A CGP-OLT-16T) both are place in ring infrastructure 2x8 splitter can we use failover . If one olt primary fail or network down or OLT Down the secondry OLT automatically up

 All,  Working on turning up a new circuit with Frontier. We are using C9200L-24T sw 17.03.03 with an cisco 1000BaseSX SFP.  In the Cat 9200 I see the port up/up with good light levels. I see traffic sent out of the port but zero in the otherside.  T...

In ISR 4431 router GLC-LH-SMD sfp not working, error log %TRANSCEIVER-3-INIT_FAILURE: R0/0: iomd: Detected for transceiver module in Gigabitethernet0/0/2, module disabled %TRANSCEIVER-3-INIT_FAILURE: R0/0: iomd: Detected for transceiver module in Gig...

I would like to confirm that the IE-3100-18T2C-E is compatible with alternate transceiver brands. I intend to use our spare parts which are Allen-Bradley and N-Tron. The specs for the transceivers are as follows:Allen-Bradley1783-SFP1GSXTransceiver 1...

Dear forum,I would like to ask about a very specific laser for a special use case. I need a single-mode coupled laser diode emitting around 850nm. It should be driven with up to 1-2 GHz frequency (with under 100ps pulse width).Would you have any sugg...

I just want share my experience when setting up a connection between Cisco 25GB SR and Arista [100GB Breakout, 4x 25GB]For both sites to be able to successfully negotiate the physical layer parameters the following is required.Cisco works with auto [...