Optics and Optical Networking

Hi everybody,I need to connect 35 nos switches linksys SRW2024 to one switch Cisco Catalyst 4503 - module WS-4448-GB-SFP, with single mode fiber optic.So my question is, what kind of transceiver can I use to connect the switches? I will use also fibe...

Hi, I can see from the spec of an SFP module it has a range of output power. How do i control that in the IOS or does it do it automatically based on rx power level?I know there is 'show interface tranceiver' to show me whats happening but not sure h...

In a CISCO 15454 ONS we recently had several resets of the TCC2P cards, more than once a day.The alarm description said "automatic system reset" and the TCC2P cards would change protection. We have some ethernet on a ETH-100 in the shelf which sees a...

I discover while doing some inventory work that one of the spans on my sonet ring has two different line cars facing each other; 1310 OC48 and a1550 LR OC48 . I have not noticed any errors or encountered any problems with this span since it was deplo...

Can someone tell me if the ONS-15454 support INFORM Traps?I'm trying to get INFORM Traps working with my NMS, but I don't think it's working. Either I don't have it configured correctly or its supported on the ONS. Many Thanks

Hello everybody, Can someone please confirm the following : 1) Whether Switching in Physical layer casues CRC on router interface for DS3 TDM link. 2) Also whether Increment in CRC depends on MTU size on router interface.Thanks

I have an application where two C2960-24TC-L switches located 450m apart have to be connected via a 62.5 MM fibre link using the GLC-LH-SM transceiver modules. The fibre link is terminated to SC patch panels at both ends. The question is can off the ...

I have a couple of stretches of 1310 nm SM fiber that are over 40 KM (about 47.5 KM). Can I use a GLC-ZX-SM to push over that 1310 fiber? The Cisco tech docs indicate the GLC-ZX-SM is for 1550 nm fiberJeff

I'm using SNMP to send information to my IPSwitch What's UP gold. The credentials are correct and I receive SNMP traps, but I don't receive any interface utilization info. What is going wrong?I have an ML-1000 card that I want to monitor interface ut...

Hello! Our ONS15454 boxes generates the pop-up error msg, EID-3237 when we try to save/backup the node's config database in the CTC. This state is not permanent, but lasts for days. The topology is a triangle, and the phenomenon appears on all nodes...

Can someone let me know the maximum number of characters for the telnet password and SNMP RO/RW strings on EDFA and OADM devices?Thanks,Stephanie Cornish703-670-0253

In our environment we only have 62.5 micron MMF and want to run 10 GB. Some of our IDFs where we want 10 GB is about 100M away. I know this isn't an ideal design, but I have 2 questions. Is it possible to use the Cisco SFP-10G-LR on both sides of ...

We're looking at taking a mass of T1 crkts and channel towards OCx (probably OC12). This could be be either 7600 or GSR platform. Can anyone point me to some investigative links or make a recommendation on their current use of a said Cisco product?Pl...