Optics and Optical Networking

Resolved! ONS system software upgrade

I m looking for ONS software download from the software center. I m looking for 4.0 and 3.3 images. and I also see two images each 25 megs in size, one with a SDH in the image name, and one without an SDH. I want to know which one to download, and al...

UPSR vs. BLSR

Can someone give me some pros and cons on UPSR vs. BLRS in a fully protected environment. A link to more information regarding these two ring configurations would be greatly appreciated.KL

Single Mode Fiber

I currently have a 7206 & a 3640, that I wish to connect with SM Fiber, that has been put in place. What kind of interfaces will I need, and how would I config it ?

Resolved! Newbie question

Are the the CWDM mux or chassis powered not able to find reference to a power supply in any documentation?

ONS 15327 SNMP Interface Stats on STS

We have a client who is asking for per-STS performance stats on a 15327. This would appear to be something we woud get from the Interface MIB but I don't know if it is going to report at that level. We don't currently have access to an ONS of any typ...

OEM GBIC

Can anybody provide me with information on how Cisco is planning to deal with OEM GBIC support in the future?

fiber protection

Consider this case 1 got 3 sites with DWDM equipment namely A, B and C say I deployed 15252 for A and C then B with 15201 and all the CLIP configured for fiber protection of certain value 50/50, 90/10 etc, refer ditext diagram belowA -> B -> CSay on...

CWDM and OC-3

Did anybody try to use CWDM-MUX-4 for 1310 nm links like OC3 ? We have BPX with BXM-155-4 cards and want to build something like BPX---OC3----CWDM---------------------------------CWDM----OC3----BPXthen CWDM GBICs will be used to add Giga...

GBIC - LH

Wich is the longest distance to work with GBIC - LH over multimode fiber.Pablo

VLAN Propogation Through CTM/CTC

The problem is VLANs tagged on rings with E100-T-12 cards do not seem to propogate, meaning the VLANS created are not available to rings with E100-T-12-G cards. I've scoured the bug toolkit and don't see anything posted regarding this issue. This ha...

How many ais it?

Hi. wavelength:1310 nm 9 microns and single mode distance :10KmHow many ‚„‚a‚ is attenuate of optical? (reference value)

CWDM Link Failure

Currently using C3550-12T with CWDM-GBIC-1610 to CWDM-Mux-8 connecting to C355048G with Same GBIC.Using SM Fiber with attenuators on both ends length about 25KMUsing 12.1(13)EA1 code on both switches.Media type on Gig interfaces show up as CWDM-1470?...