Optics and Optical Networking

Hi good afternooni've a question , i need to replace our actual OLT , and use the Cisco ME 4505 , but im not sure if this Cisco OLT support another brand of ONUs like iphotonix model 7253G, can you confirm that? actually this ONUs are working with th...

We just had a new run of fiber patched into our cage and along with it, we installed a new SFP (non-Cisco, GLC-LH-SM-C2G) into our ME-3400EG-2CS-A (12.2(58)SE2). After installing the SFP I changed the media-type to SFP and can confirm through interfa...

We have a Cisco WS-C3750X-48T-S with a 10Gb module C3KX-NM-10G. We what to connect C3750X Switch to a Supermicro spf+ switch SSE-X24SR. For supermicro we have supermicro spf+ cables CBL-0348L cables but appear that this is not compatible with Cisco S...

We get the following warning messages in the log on our 4900M:Dec 12 09:21:37.367 EST: %SFF8472-5-THRESHOLD_VIOLATION: Te3/8: Rx power low warning; Operating value: -12.1 dBm, Threshold value:  -9.9 dBm.Dec 12 09:31:37.537 EST: %SFF8472-5-THRESHOLD_V...

Hello,  We need to install new fiber to some new buildings in our school district. I want to be able to use current switches that I have in the old portable buildings that will be turned down this summer. My idea was to use Single Mode Fiber for thes...

Hi Guys,I have a strange issue on 10G-ER over dark fibre.the fibre is 21.5km, my transceivers show northbound receiving sensitivity as -13.2 db and southbound as -9.5 db.after about 2 month, the link started dropping from time to time. on a bad day, ...

Hi all, I have a Cisco 3850 switch stack with a c3850-nm-2-10g network module which came with some 10Gb sfp's (SFP-10G-SR). I have a 1Gb layer 2 WAN link being provisioned and would like to know if I can connect this 1Gb link via the SFP-10G-SR or do...

HiWe Work in the network that it is based on ONS 15454  for "Transmission".we used 15454-M-10X10G-LC card for 10G transmission network.In the client side, Can we connect the client Ports of this card directly to the ws_x6704 Ports ? are there compati...

Please suggest multi-wire cable to connect switches located ~150...200 meters away from each other.It is needed to have at least 8...10 wires inside such type of optical cable.

Hello,Is there a 1G copper SFP transceiver for the CPT 50. Looking through the online datasheets it look like the options for a short run off the SFP ports are either over fiber via ONS-SI-GE-SX=. Or 10G with ONS-SC+-10G-CU1=. Is a GLC-T= supported? ...

We have a large network with a mixture of M6 and M12 Network Elements geographically dispersed from one another. What is the best recommendation for managing this via CTC? Most specifically do the nodes need to be in the same broadcast domain, or can...

Hello, We are using N7700 chassis with 100G line cards (N77-F312CK-26).Transceivers are 100GBASE-SR10 (link). I'm wondering if it's possible to directly connect two chassis using some 24-fiber MPO cable, e.g. this one. My most concern is about polari...