Optics and Optical Networking

Hi!Have a question on reusable channel in DWDM network. For example, let consider 3 dwdm node A B C which are corrected in a ring manner in unprotected configuration . In this case let use ONS 15540 ESPx with unprotected LCMB and TSP configuration. I...

Hi!Can anybody tell me whether IPV6 have been supported on IOS release for ONS 15540 ESPx. I know this sound kinda funny as ONS happen to be a Layer 1 optical transport but my customer wants to know. Have tried to find out via feature navigator on CC...

I'm currently looking out for the ONS 15540 specific training and found out that cisco does offer it under network deployment mentoring. Have send query to the site via email provided on the page but so far no response. Have anobody on this particula...

We need a media converter which should convert 1000 Mbps (TP-RJ45) to 1000 Mbps SX (Multi-mode Fiber) The length of the Fiber cable is 1 (One) Kilometer. Fiber Cable Type: 6 Core, 62.5/125µmConnector Type: MM SC connectorsis there any type of media c...

Looking for specifics on exactly what issues would arise when you find a singlemode fibe connected to an multimode SX GBIC.Anything more than a larger loss than what would happen when a 50 micron and 62.5 micron cables are connected together?

Hi,I read that the CTM can only provision circuits on a 'contiguous DCC domain'. Can a DCC domain span multiple rings?cheers,Andrew

I have an ONS15540 running with several applications on it. One of them is ESCON with a 15500-XVRA-01A2 module. My link between the two systmes is close to 85 Km.As the IBM manager configures the ESCON application, he only can travel on one sense (A ...

The dwdm design I'm working with calls for several EDFA's but I dont need the default 23 db gain I only want 10 according to my optical budget. What is the best way to accomplish this?Thanks in advanceMark

Hi!Got a question on splitter protection mechanisims on ONS 15540 ESPX. I understand that to implement this kind of protection requires a transponder module to be connected to a splitter base LCMB which then connect to the OADM of the same channel/ba...

Have anyone tryed to organize a VC4-4c link between Cisco routers using SDH network?Are there any hidden dangers, things to be check etc.? Any link for an intro?

Hi ,I wud like to know the difference between SFP ( SMall form-factor Pluggable )& a GBIC module . What factors need to be taken into account ?Regards

On a DPT/RRP ring do all routers around the ring see each other as being an identical distance apart?If two routers on a DPT/RPR ring advertise the same IP networks to the other routers around the ring by an IGP, would these other routers see the IGP...

Hi there,I've successfully uploaded CiscoView into bootflash of 15540ESPx. Confirm with these cmds.Switch#sh ciscoview pacFile source:bootflash:CVFILE SIZE(in bytes)------------------------------------------------ONS15540-2.4...

I understand that each of these OC levels have a different bandwidth, but how does the bandwidth increase? All of my web searches just define the data rate and do not explain how. A T1 line is 24 64kbps channels, a T3 is 28 T1's. Do the OC levels wor...

Hi All,I need assistance to recover my admin passwordI cannot find it please help......thanks in advanceDavid