Optics and Optical Networking

What are the thresholds for "Receive Optical Power" of 10GB SFP+ Cisco SFP+ LRM modules?This document says the maximum is 0.5 dBm and the minimum is -8.4 (in average) and -6.4 (in OMA):http://www.cisco.com/c/en/us/products/collateral/interfaces-modul...

Hello all,I installed 2 10G Fiber Links for a port-channel.One link is working fine and the other one has some problems.Can somebody help me, to understand why I see for one of the 10Gbase-LR module such abnormal Current values ?I moved the module an...

I've tried unsuccessfully twice to cut our ATT Internet link over to our new 4451 router with GLC-LH-SM terminating the connection.The existing router is a 7206 with a 1000 base-LX GBIC transceiver.The local loop is via a Verizon Fujitsu Flashwave 41...

I'm going through the process to update the firmware on several 6296 Fiber Interconnects. They are currently at version 2.2(3c) and we are going to 2.2(5a).The upgrade process fails at step 14, waiting for activation to finish and when I look at the ...

Say in switch we have 1g multimode lc sfp connected through sc-lc multimode patch cord to single mode liu having sc duplex adaptor Liu is having 12 core single mode fiber spliced into sc duplex adapter This wil communicate or work or not Devang

In one of my customer's newly installaed setup I am getting below message in one of the c3750x stack switch. Mar 31 06:02:54.875: %SFF8472-5-THRESHOLD_VIOLATION: Gi1/1/1: Rx power low alarm; Operating value: -26.8 dBm, Threshold value: -21.0 dBmMar 3...

CTC version is 9.215 Windows7. Java 1.6.0_24. This same setup works on a windows 7 machine running IE8. Has anyone gotten it to work with IE9?

Greetings to all,I am not experienced in fibre optics.I wish to connect (single mode) fibre optic cable to Fibre optic switch ( DIN-rail mounted) directly without using patchl panel or patch cords.I would also like to know what precautions should be ...

When I pass my 10Gb ethernet DWDM signals (from a cisco EWDM mux) into the com RX port of my OPT-AMP-17C the node is reporting "Incoming Payload Signal Absent" which doesn't make sense to me in an ethernet DWDM environment.  This is a lab setup, so w...

Hi, I have 6509 with VS-S720-10G and WS-X6724-SFP and I need interconnect on a dark-fiber DWDM.This PNs can work with DWDM? Regards, Alexandre.

Have a Catalyst 4900m switch have 20 copper ports and one sc fiber port and three twin gig sfp. Have lc fiber sfp to go into the converters. the switch reads the sc connector but not the twin gig sfps. is this a software issue or hardware  issue.

Hello,I have been trying to configure the Link Fail Alarm on SFP ports for a Cisco CGS2520 (Cisco CGS-2520-16S-8PC).SFP: GLC-FE-100FX-RGD (10-2360-02).I can create a new Alarm Profile and attach it to the Ports that I want to monitor. The update Prof...