Optics and Optical Networking

HelloI want ask about compatibilities of this Cisco parts:Is the GLC-SX-MM=SFP, LC Connector SX Transceiver compatible with the following devices?1-      Cisco switch  WS-C2960-24PC-L ,LAN Base Image 2-    Cisco switch  WS-C2960-24PC-S ,LAN Lite Ima...

Hi, we have a 1000BASE-LX/LH SFP (GLC-LH-SM), which is supposed to be used for distances of up to 10 km over SMF.Have someone tried using it at something close to this prescribed limit -for example 11 or 12 km distance? Will the link be flapping too ...

Does anyone know if the Cisco SPF-OC3-MM module uses an 850nm or 1310nm wavelength?

Hi,I'd like to know if someone has a solution to install MGBSX1 with C2960-24-PC-L because I have to buy a lot of transceiver and the price of GLC-SX-MM is x5 the price of MGBSX1thx

The following are the SDH alarms, suppose incase of Cisco POS interfaces show these errors with some values mentioned by their sides using the command “show controllers pos <slot number>”,how to trouble shoot these errors. I want some easy explanatio...

Has anyone ever seen the exact same GBICs show up differently on a show interface status command on two different switches? I have a 4507 on one end of the link and a 3750 on the other end of the link. A show interface status on the 4507 indicates th...

Hi All,I am wondering about output of "sh controller Pos .." on Flexwan cards on cisco 7600.On seeing out of above command there is one field "FAR END LINE TOTAL" with counters displaying. What does this counter means and in what condition the counte...

Hi, I'm having difficulties in connecting such SFP module to a PTT device - at&t canoga perkins 9145 - at 100Mbps speed. Found documentation that such fiber module does not support 100Mbps but only 1000Mbps... not sure however if there's a config mis...

Referencing...http://www.cisco.com/en/US/prod/collateral/modules/ps2797/ps5138/product_data_sheet09186a008007cd00_ps5455_Products_Data_Sheet.htmlThe Optical Transmit and Receive Specifications for this transceiver (XENPAK-10GB-SR) indicate :Tx Power ...

According to the updated compatibility matrix, the new 10 Meter twinax SFP-H10GB-ACU10M cable does not show interoperability with the Catalyst 6500 67xx 10 Gig linecards (With CVR-X2-SFP10G converter for X2 ports). The shorter 1-5 meter twinax cables...

We require Cisco cards that can breakout into electrical E1s on Cisco ONS 15454 platform, I searched Cisco site and found this:15454E-120E1-FMEC but the card is EOL. Is there anyway I can get the replacement card that will perform the same function....

hello all. We are a company that has relied on ATT provided ATM metro services for years. We are now looking to purchase our own dark fiber in our core network going forward. As a result, we are meeting with Cisco to purchase the Cisco 15454 ONS swit...