Optics and Optical Networking

Resolved! GLC-LH-SM

Hi,I have two sites located approximately 5kms apart, they have 72 core SMOF connected between locations.I have a 6509 at the core and a 3650E at the remote, both have GLC-LH-SM SPFs.The interface at the 6509 is not connectedThe interface at the 3560...

Resolved! what is a fiber strand?

Hello all. I have heard this term (fiber strands) used loosely. Is this referring to the actual pure glass on the middle of the fiber? In an example where you have fiber cable with LC connectors on both ends connecting two devices. Would that be equa...

How to configure cisco 12010 router's POS port for s1s0

Hi,I am facing competability problem between CISCO 12010 router's POS port with SDH STM1 PORT(MUX).So we need to change s1s0 values on router POS port..I cant see pos flag command at cisco 12010 router's pos interface.I can have it at remote end ...

Resolved! question about 'lighting' fiber strands?

Hello all. I am new to fiber optic networks and have a question in regards toa comment at work. At work we have multimode fiber connectingour campuses and the gig link is getting saturated. A coworker informed me that they have 2 spare dark fiber str...

Resolved! what is neg 30" error on fibre optic

Hi all,at our office location we have telco tec came and he tested the fibre from demarc to our device and reported thiserror neg 30" error, he told us to check our equipment.my question is what is neg 30" error,.He told us it is extremely low loss....

15454 OC3 card STS3 not available any ideas

Hello, we have a older 15454 network with OC3 ring between the nodes. My issue is we are trying to provision an ethernet circuit between two nodes on STS3 and its not working.We are able to provision the circuit on each end and it shows green but no...

IP based optical network design

we want to set up a test-bed in which three optical add-drop multiplexer (OADM) will be connected through optical fibers. The OADM will be connected to IP router in the electronic domain, and we will be able to send data from one computer in one lo...

Creating GCC/DCN

We are building out a new DWDM ring with the 4x10GE Enhanced Crossponder. My question is how do we establish a communications channel between the nodes when we have all our fibers connected. I went to provisioning --> Comm Channels and created a GC...

Gigabyte Module (2GB)

Hi everyone,I need a GigaByte Module (2 GB) that is used for a long distance link connection (SAN).Do you have the part number of this network module? will glx-sx-mm be appropriate?thankssamson

Resolved! WS-C3750-24FS-S to media converter

Hello.I've recently started the "SFP to media converter" thread.Now I'd also like to know if this variation would work:WS-C3750-24FS-S at one end. It's a 24 ports 100Base-FX (MT-RJ connector) switch.AT-MC101XL-10 at the other end.Over 62.5/125 multi...

Resolved! SFP to media converter

Hello.I want to connect two endpoints through a 62.5 mm fiber. One endpoint is a Catalyst 2960 and the other is a PLCIt has been tested to work with 2 Allied Telesis media converters (RJ-45 to 100Base-FX). One for each endpoint.I'd like to know if ...

Please Help!!

All,I'm looking to hook up a WS-2960-24TC-L running IOS 12.2.(rev 44) to a Catalyst 4507 on a WS-4448-GB-SFP card. I'm using two GLC -LH-SM SFP's to connect across 62.5 m Multimode Fiber. The distance is around 1200 feet, so I'm using mode conditioni...

Migrating to Cisco

We have a campus-wide infrstructure with single-mode OFC and Layer-3 and Layer-2 switches from different vendor. We want to repalce Layer-3 first while continuing with the Layer-2 switches. We have finalised Catalyst 3750 as Layer-3. But that comes w...

ONS-15454 Remote Alarm Notification

We utilize the "Local Alarms" pin-outs on the backplane of one node and connect to an external alarm notification device (A simple relay, light and beeper system). We've been using this for 4-5 years. Recently our alarm device is no longer being tri...

Resolved! X2-10GB-LX4 Mode Conditioning Patch or Not 62.5micron Fiber

I keep reading different things across the web. We are swapping out our SUP 720's with the newer VSS Sup 720's for the VSS technology. During the process we are going to start bringing 10Gb in. We have an existing FDDI (62.5 Micron MM) fiber plant...