Optics and Optical Networking

We are currently getting dark fiber circuit ran. And the distance changed from 93KM to >100Km. Exact distance has not yet been provided as the splicing is not complete. I purchased the CWDM-SFP-1550 Optic which can go 100Km. If my loss is too great a...

Hi all,I have two same switches: S1 - WS-C3560X-24P (ver. IOS 12.2 SE2).I put them two identical SFP modules CISCO GLC-SX-MM SFBR-5766PZ. (inter gi1/1 or gi1/2)I reset the factory settings.I tried: no shutdownservice unsupported-transceiver but still...

Hi allI found message "Facility high Rx Power" on 10DME card. So, I need to know what is the root cause and reason to get the message. Please give me the idea or comment. ThanksVNote: Please see the picture from attach file

I was hoping someone might be able to point me in the right direction.  I just added an ECWDM solutoin with a 10 gig DWDM link which is X-2 on both sides.  On my remote side I'm seeing input and CRC errors but with a good light level.  I've changed o...

Hi allI would like to some help that customer need to upgrade ONS15454 MSTP from version 7.0 to 9.8. So, I may need some help 1. how to upgrade it ?a2. Is it possible to direct upgrade to 9.8? 3. I saw many file information in cisco web site, and whi...

Would anyone happen to know where I can find good tutorials on OTN Technology and ROADM?Sent from Cisco Technical Support iPhone App

Hi all,I am looking for a media converter that is manageable and with an additional power supply. In addition to these it should also support features like SNMP and Syslog. It should also be possible to operate the unit under low temperatures.ThanksU...

Hello!I was told by a Cisco CSE that X2-10GB-LR can operate only on 10G?!My intention is to upgrade 1G switchport (currently using GCL-LH-SM transceiver)to 10G switchport (X2-10GB-LR transceiver) on a Cat6k running SMOF cable to connect to our peer C...

Hey everyone,I have an odd situation here, 2 switches (3750X and 2960) connected with single mode fiber and using a GLC-LH-SMD SFP in each switch. When I check the DOM with 'show int gi0/1 trans det' (using the appropriate interface identifier for ea...

I'm trying to connect 2 Catalyst 2960S over multimode 62,5my fiber cable.I use LC-FE-100LX spf's but theone end is always operating in half duplex mode. My final goal is an etherchannel running 2x100mbit in full duplex mode.I have an etherchannel con...

Hi Expertwhat type of fiber optic module support upto 20 KMwhether GLC-LH-SMD or GLC-EX-SMD ?Thanks

I have 2 ONS 14454's that need to be connected to a Nexus 7000 to complete my ring. Does anyone have any experience with this? The Nexus is acting as the core router for the ring. I can send a diagram if needed. I am not sure how to configure the Nex...

Hi,I have OCHCC and OCHTRAIL created between two OTU2_XP cards. The OCHTRAIL is in IS state. The OCHCC is still in OOS state. Both sides show major alarm for the client port SIGLOSS Signal Loss on Data Interface. I know for sure that one side has the...

HI Everyone.After I insert the module  X2-10GB-LR in the Supervisor 6-E 10GE, and before I plug any cord in the module yet, it prompt error message like this:*Jun 18 19:10:32.583: %SFF8472-5-THRESHOLD_VIOLATION: Te1/1: Rx power low alarm; Operating v...