Optics and Optical Networking

Hi,The following messages are logged in the irregular on Catalyst 4500E Supervisor Engine 7-E.Are these fiber links required the attenuators?%SFF8472-5-THRESHOLD_VIOLATION: Te2/6: Rx power high warning; Operating value:   0.5 dBm, Threshold value:   ...

I have an issue with a MM fibre connection between an ASR1001 and a WS-C4510R-E switch.The issue is that the 4510 shows the connection as up however the ASR port is showing as down/down. Shutting down port on ASR brings the switchport down and no shu...

Is there a way to recover a lost CTM SysAdmin password? The customer is using CTM v8 on a Sun station.Thanks in advance!

We are going to purchase a WS-C3850-12S-E fiber switch and trunk it to a WS-C3850-24T-E over 10G module add-ons.  The vendors are throwing out different options for cabling which is making me double guess myself. Option 1: 1 SFP+ Active Optical Cable...

I'm extending our network via 10gb fiber to the another building.  The 6509E has the XENPAK-10GGB-LR+= which is rated for SMF, 1310-nm wavelength, with SC duplex connector.  The other end 4500X has an SFP-10G-SR= that is rated for MMF, 850-nm wavelen...

Dear colleagues,I have connected a Cisco ASR1001-X 10G port to a 10G port on the Cisco 7606-S.  The SFP on my ASR1001-X is SFP-10G-SR and the SFP on the 7606-S is XENPAK-10GB-LX4. I am using an MMF fibre patching. I am unable to bring the port up. I ...

Dear alli have aproblem with sfp in my networkMy Network topologyLINK between GI 8/1  and DS1  is GoodLINK Between GI 7/1 and DS 2 doesn't workMLS#show interfaces statusPort         Name               Status       Vlan       Duplex  Speed TypeGi7/1  ...

We have Dark Fiber between 2 DCs and would like to enable WDM on it. What Cisco Optical Gear do i need for this? We would also link to enable Encryption on this link as well. TIA

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...