Optics and Optical Networking

I have set up a small ring of 15454's. When I am logged into the node (via CTC), I can recognize and speak to all nodes. When one of our other engineers logs into a different node on the same ring using a different username and password, they can o...

When it comes to say "Protection Types", there are many types I could see:1:1 mode1+1 mode1:m mode etc...Could someone explain what they are?Thanks in advance.

I need to know if it is possible to mix 100/140 and 62.5 Micron Multimode fiber. I would like both fiber types to terminate into one device. I am estimating about four pieces of glass hooked up to this switch. What device do I need to use?

In SONET interface classification, the transmission distance for SR is only 2km. However, in the Bellcore GR253 document, it estimates OC48 1310 nm can transmit 12km. If I buy a transceiver which is specified as OC48 SR but also GR253 compliant, what...

I would like to connect SM device (SM gibic, GLC-LH-SM) to MM device (MM gibic, WS-G5484). Is it possible by useing one Gigabit Ethernet Multimode Conditioning Cable ? That ONE mean one Gigabit Ethernet Multimode Conditioning Cable/patchcord on SM gi...

Can someone please provide or direct me to a document or give some information on the CV-L, CV-S, ES-S, and ES-L performance monitor objects and how to correct them. I have already found documents that tell me what they are such as code violation lin...

I have a CSS that if I iniate the ping from a remote host it works. If I iniate the ping from the CSS it does not work. Traceroute works both way. Telnet does not work. I dont have any access-lists. I put a sniffer on the CSS and I see the traffic co...

We are purchasing 3 ONS 15454 shortly. The main usage of the boxes will be to use Channelized OC12(SONET) transport delivery from TELCO, do the grooming of channels and connect to 6509s with CH. OC12 card.The layout will be like below.6 Telco CH. DS3...

Hi to all, What I need to know is what kind of connector use the PA-POS-OC3-LR. I can see in the manual that is SC connector but it does not specify if it´s SC/PC or SC/APC, Could you confirm it to me?Thanks in advance!!Jorge Gómez

Hello All -I'm having trouble with a Windows XP SP2 machine connecting to our 454. The java applet loads correctly but eventually "kicks" me out. I'm curious if there are any compatibility issues with XP browsers, etc. I've tried different JRE load...

Hi everybody,I've a client with a PA-POS-OC3-SMI.If I read the DataSheet, TX power level has a range.What's reason define the active TX power? I don't find any CLI command.Regards,Waldemar

Why do I receive the following error when attempting to provision a new circuit?Unable to Provision CircuitUnable to create connection object at node

In a previous thread a week ago I mentiond setting up a CWDM between a couple of switches(3550). I have received the CWDM modules (1530nm) and am awaiting the cables and VOA. I put in the gibs into the switches and they are recognized howere I am con...

Dear all,May I know if this built-in mgmt port can send SNMP trap to outside (i.e. can bind IP address?)Thanks and Regards,Raymond