Optics and Optical Networking

how can i tell by part number what power my ons15454 requires? ac or dc?

I want to delete protected path in a SNCP network.Network diagram can be detailed as the following:There are 4 OC12/STM4 (A,B,C,D) nodes linked as a linear network. E,F are OC3/STM1 nodes linked as a ring network with D node.D node must be SNCP node ...

Hi,I'm Peter working in an ISP network operations. I have problems understanding this alarm in Cisco GSR. July 15 04:44:55 EDT: %SONET-4-ALARM: POS5/0/0: B3 BER exceeds threshold, TC alarm declared. How do I troubleshoot this problem? The interface i...

I work at a CLEC and am having to do an OC3 inter-connect with one of our ILEC's. I am only going to need/use a full DS3's worth of bandwidth out of this OC3. This is how I provisioned my circuit path:I currently have an STS-1 built from my originati...

Can anyone confirm if the plug on the power cable CSCO-PWR-CBL-NA2 is indeed a NEMA 6-20P? Is it's length 5 feet or 5 meters?

All, do you know of any issues of compatability between the NT Optera 3500 and 15454 MSPP SONET? Specifically getting LOP-P errors after building ckt through 3-node UPSR with a 3500 on 2 of the ends. The MSPP i/f is a MRC-12 OC3, and the handoff f...

A question about G.652 fiber specification, can it support in both 1310nm and 1550 nm wavelength ? Would like to standardize it to one wavelength only throughout the DWDM network, what would be best? What would be the best physical topology for the f...

What does Cisco say is an acceptable Packet loss/CRC check for the following set-up? I have a link between 2 Cisco 15454 MSTP cards which in turn plug into a tenGig XENPAK which are both housed in 6509s. We have LR XENPAK into transpondersI've notice...

Hi,I am Ratheesh P D, network Manager of one project in Motorola. We have one catalyst 4948. Its going to get one 10K router. Our requirement needs optical connection between these two. The document of 4948 says, its compatible with 1000BaseX SFP and...

At the B end mux,I have applied a Facility (line) loop on the port, I want to know how to and where to apply PRBS from the A end. Thanks in advance

Is there a facility on CTC which could be used to monitor incoming traffic i.e.howcan we see a loop (soft or hard) applied externally. To my knowledge, I don't believe that SDH has this level of intelligence since it only recognises 1s and 0s rather ...

Hi, one of my customer request for the DWDM solution to inter-connect 3 of their sites together, being so new to the optical networking, i don't even know what to do, i tried to read through lots of DWDM document and actually it confused me even furt...

Dear all,What does Cisco say is an acceptable Packet loss/CRC check for the following set-up?I have a link between 2 Cisco 15454 MSTP cards which in turn plug into a tenGig XENPAK which are both housed in 6509s.I've noticed the following errors:79 in...

Hi!Have questions regarding client connection options to ONS 15454 MSTP. FYI, I have experience on ONS 15540 ESPx and I usually connect client to the ONS using transponder like thisONS 15540 ESPxClient<->transponder<->OADM<->OADM<->transponder<->clie...

Hi!I am designing a MPLS over DWDM network which consist of one core DWDM ring and several regional DWDM ring using ONS 15454 MSTP. I would like to connect the regional ring to the core ring via P router in this case Cisco 12406GSR. My major concern ...