Optics and Optical Networking

Has anyone out there implemented a MTP pass through solution ?I have a 3 node optical ring ( 1, 2, 3) . There are a total of 8 channels ( A1-4), (B1-4) that will go through these nodes. However on node 2 - the middle node I need to drop channels A...

what is the difference between the SC and MT_RJ optical interface ?which type of interface is better? why?

Hi,I have problem with connect PA-POS-OC3SMI (with SC/PC connector) to OSM-4OC3-POS-SI (with MTRJ connector). I have SC/PC-MTRJ patchord and I tried several different configurations and nothing. Maybe someone have the same problem?

I am new to optical networking and would like to know what options are available for connecting four offices over an SDH transport network.Basically, I have been advised that we have an SDH transport network consisting of an STM1/STM4 access ring con...

When I try to order a NM-1A-OC3SMI with my cisco partner said that the NM is being revised..I called cisco and they said the same thing???? Can someone give me more info why i cannot order this card or what a replacement is ??What the heck does revis...

Hi all,I am trying to get a new Gigabit Etherent link up from a service provider. We have 2 GSRs with 1000 Base SX Gbics connected to this providers (Nortel equipment) equipment. All our equipment has been tested, looped etc so I believe the problem ...

Hello15540 and 15530 are same family, but according to docs, splitter protectionin case of 15540 is nonrevertive, but for 15530 can be revertive also.What are reasons?thanks

Hello,We are using Cisco 3662 with OC-3 ATM interfaces. I have configured the interface and sub-interfaces with a MTU of 9000. However, when I run extended ping with a sweep range of 56 bytes to 8500 bytes, the pings timeout at approximately 4000 b...

Hi,Can anybody give me the purpose of having this box instead of direct connect cable? I can not find any info on web while in official doc has only a paragraph of how to connect it.My point of view is only breakout box for ease of trobleshooting so ...

how to recover lost password on Cisco15454 (sw ver 3.4)?

Does anyone else have TDM4E ESCON cards for a Metro 1500 in which they've had experience in troubleshooting intermittent "Slot X - TDM loc. Y Clock FAIL" messages?We've had this occurring on ESCON channels between HDS storage servers for some time...

Hello,I would like to know if it is possible (on how if it is) to entirely define a lightpath establishment on the ONS15454. I have been looking around, in the TL1 commands, and all I found was ENTER CROSS CONNECTION command, which does noty give you...

Does anyone have a link that would show me the capabilites of this device?Thanks,Mark

Any suggestion on the training materials i should used for this certification.

HiWe need to connect a 1310 POS interface to a device with 1550 interface.Is there converter for this type of setup? or any advise?Thanks!