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A contractor ran single mode fiber some 1400 feet between our buildings. Can I use a multimode sfp gbic in a cisco switch to feed this fiber or will it fail if I use a multimode gbic on a single mode fiber?

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Hi

Please check the links bellow to have an in-depth knowledge to have an idea regarding your query…

http://www.cisco.com/en/US/products/hw/routers/ps359/products_module_installation_guide_chapter09186a008007e5b7.html


http://www.cisco.com/en/US/docs/routers/7200/install_and_upgrade/gbic_sfp_modules_install/5067g.html

Let us know if you have something more to know else accept the suggestion.
Thank You for contacting Fixya.com

Posted on Aug 05, 2010

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Posted on Jan 02, 2017

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2 Answers

What is the difference between GLC-LH-SM and GLC-LH-SMD?


They are 1000BASE-LX/LH SFP for Both Multimode and Single-Mode Fibers, compatible with the IEEE 802.3z 1000BASE-LX standard, operates on standard single-mode fiber-optic link spans of up to 10 km and up to 550 m on any multimode fibers.

If one switch supports Cisco SFP GLC-LH-SM, then it can also support Cisco SFP GLC-LH-SMD.

The difference between GLC-LH-SM and SFP GLC-LH-SMD is the letter "D".

What does "D" mean?
"D" of GLC-LH-SMD transceiver has additional support for Digital Optical Monitoring (DOM) capability.

What is Digital Optical Monitoring(DOM)?
This feature gives the end user the ability to monitor real-time parameters of the SFP, such as optical output power, optical input power, temperature, laser bias current, and transceiver supply voltage.

The comparison between GLC-LH-SMD and GLC-LH-SM.
glc-lh-smd-vs-glc-lh-sm-21uwyhjmqm5jti35bnosyagr-1-2.png

Related Source:
https://supportforums.cisco.com/document/75181/digital-optical-monitoring-dom
GLC LH SMD Overview
GLC LH SM LC Overview

Aug 18, 2017 | The Computers & Internet

1 Answer

Huawei GE optical port with 1310 SFP module can connect to Cisco 3750X GE ports with GLC-LH-SMD?


The Cisco switch will probably err-disable the port when you plug it in. The workaround is to add these commands:
Switch(config)#service unsupported-transciever
Switch(config)#no errdisable detect cause gbic-invalid
It'll either work or it won't!

Feb 11, 2015 | Cisco Computers & Internet

2 Answers

I work at a school and we are trying to connect 2 HP 3com Baseline switch 3952 together. however when I plug in my Cisco SFP modules into both the switches, neither of the ports light up and establish a...


1.what type of fiber is:SM (single mode) or MM (multi mode)?
2.what type of sfp? 1550 or 1310 if is SM, how many conectors and what type of conectors
3.in 3com usualy u dont need to make a port anouncemant as u need in cisco so if the sfp are ok, i mean if they are pairs and the fiber is same type should work, second problem : sometime the cisco sfp(when is not original from cisco) got problem in other brands hapend to me whit zyxel sw,

so give me more data and i will help you

thanks

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2 Answers

Cisco SG300-52 SRW2048-K9-NA, can you plug in all 52 ports at the same time? Each combo mini-GBIC port has one 10/100/1000 Ethernet port and one mini-GBIC/SFP Gigabit Ethernet slot, with one port active at...


The 'combo' ports can be ethernet or GBIC, not both. While the ports do provide flexibility for interconnects, they do cause some confusion when this comes up. If you need more ports, some Cisco switches do support 'stacking', where they can be interconnected via their StackWise ports located on the back. These switches work together and act like a single switch. Configuration is generally easy, with one switch being marked as 'master', generally the switch that has the uplink to the rest of the network.

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Where can i find a microsoft 2.4ghz transceiver


https://www.cbo-it.de/de/produkte/blueoptics/transceiver/qsfp.html

The BlueOptics and BlueLAN brands include the following products: Optical Transceivers, Active Optical Cable and Direct Attach Twinax Cable Solutions, MPO / MTP Solutions, SAS Solutions, Stacking Cables, Twisted Pair and Fiber Optic Patch Cords, PLC Splitters, Multiplexers, Demultiplexers, as well as other data center and cloud solutions.

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Where do I order a replacement transceiver


https://www.gbic-shop.de/de/produkte/transceiver/sfp/kompatibel-6/1000base-sx/cisco-glc-sx-mm-detail.html
Please visit this site.........
gbic-shop.de is a manufacturer of optical transceivers.
We produce any module compatible to all brands, suitable for all systems. SFP, XFP, SFP+, X2, Xenpack, QSFP or GBIC - as Ethernet, Fibre Channel, CWDM or DWDM with or without DOM/DDM.

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