Optics and Optical Networking

Resolved! Cisco SFP module naming

What is difference between following two module ?SFP-GE-L= vs SFP-GE-L , one has = to sigh at the end and other don't. http://www.cisco.com/c/en/us/products/collateral/interfaces-modules/transceiver-modules/eol_c51-698060.htmlSFP-GE-L1000BAS...

WS-4503-E chassis

Hello Cisco Support Community,I was wondering if the WS-X4624-SFP-E is compatible with 4503-Echassis and the supervisor WS-X4013+10GE?Do we need license a specific license for the equipment to work together?Thanks in advance. Hope someone can help me...

Resolved! CTC Virtual Lab & advice upgrade

Hello all, I fairly new to the service provider area of networking. I moved to a circuit actions shop recently & they deal with solely long-haul communications, and we play with this ONS 15454. I previously only had experience in routing and switchin...

cisco WS-C4500X-16 transceiver datail don´t show up???

Hi,i have a cisco WS-C4500X-16 with a cat4500e-universalk9.SPA.03.05.03.E.152-1.E3.bin ios-xe version and this can´t to show up the transceiver detail, any body can help me with it, thanks....SFO-CORE#sh int ten1/1 t?% Unrecognized commandSFO-CORE#s...

SFP+ transciever optical power too high?

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...

Resolved! Are these correct SFPs for EHWIC-1GE-SFP-CU?

Hi Guys,I am planning to upgrade the internet circuit for primary and shadow circuit with 2 sets of public IPs allocated from my ISP. I am using the modules EHWIC-1GE-SFP-CU in the 2901 routers. Can i use GLC-SX-MM= SFPs as I see in the cisco docs li...

Abnormal Current values for a SFP 10Gbase-LR module on a Nexus 5548 switch

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...

GLC-LH-SM compatibility with Fujitsu FC9681EGX1-I04 Ethernet card in Flashwave 4100 mux

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...

Pre-Upgrade check failed. Insufficient free space in /var/tmp. Less than required 90%

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 ...

Resolved! SFP

i need to make sure that GLC-EX-SMD support 1310 Wavelength , for the Core Size (μm) 50/25 and up to 40 kilometer .

multimode 1g sfp with sc-lc multimode patch cord supports single mode LIU

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

power low alarm on c3750x stack switch

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 fails to launch with IE9

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?

Can I connect Fibre optic cable directly to FO switch without patch panel and patch cords

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 ...

Incoming Payload Signal Absent alarm on 10gb DWDM setup

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...

Optics and Optical Networking

Forum Posts

Resolved! Cisco SFP module naming

WS-4503-E chassis

Resolved! CTC Virtual Lab & advice upgrade

cisco WS-C4500X-16 transceiver datail don´t show up???

SFP+ transciever optical power too high?

Resolved! Are these correct SFPs for EHWIC-1GE-SFP-CU?

Abnormal Current values for a SFP 10Gbase-LR module on a Nexus 5548 switch

GLC-LH-SM compatibility with Fujitsu FC9681EGX1-I04 Ethernet card in Flashwave 4100 mux

Pre-Upgrade check failed. Insufficient free space in /var/tmp. Less than required 90%

Resolved! SFP

multimode 1g sfp with sc-lc multimode patch cord supports single mode LIU

power low alarm on c3750x stack switch

CTC fails to launch with IE9

Can I connect Fibre optic cable directly to FO switch without patch panel and patch cords

Incoming Payload Signal Absent alarm on 10gb DWDM setup

Get ready! Great things are coming to Cisco Community

Have your wish for humanity broadcast into space by George Takei!

Heat Dissipation of Cisco NCS 4202

FN - 72192 related to possible QSFP 40G-LR4 failures

Getting Started with SFP Transceivers and FPGAs

No seeing transceiver information on N9K-C9372TX

Keep losing Neighborship with next IE switch

10GBase-SR to 10GBase-SR-S

Mr Janko

SFP-10G-ER and XENPAK-10GB-ER+ compatibility?

SG220 with MGBSX1 sfp compatible with WS-C3750X GLC-SX-MM sfp?

9300 SFP speed