Thanks Jon!! I brain farted on that one. I had to flip the Tx/Rx from behind the panel.
All is golden now. On Wed, Mar 24, 2010 at 3:54 PM, Jon Harris <[email protected]> wrote: > BTW if that does not work I would consider having the ends checked to > verify that it is not the cable itself. > > Jon > > On Wed, Mar 24, 2010 at 3:52 PM, Jon Harris <[email protected]> wrote: > >> Have your tried flipping one of the patch cables so that what was on the >> right is now on the left? Fiber is specific as to which one is transmitting >> and which is receiving but I would hope you would have remembered this. >> >> Jon >> >> On Wed, Mar 24, 2010 at 3:47 PM, Harry Singh <[email protected]> wrote: >> >>> All: >>> >>> It's been ions since I've worked with Fiber and I'm stuck off-site trying >>> to figure something out and could use some feedback. We ran Multi-Mode 62.5 >>> Microns 6 strand fiber between two remote locations. At each location is a >>> 3com 4500 switch which has a dual-personality SFP slot and a SC 1000BASE-SFX >>> Transeiver plugged-in and recognized by the switches. Specifically this >>> transceiver: >>> http://www.3com.com/products/en_US/detail.jsp?tab=features&pathtype=purchase&sku=3CSFP91 >>> >>> The fiber runs (not my doing) were run with LC connectors and the switch >>> supports SC only. I've purchased a single LC->SC patch cable and have it >>> plugged up on both ends, but no dice. >>> >>> I'm not sure if i'm forgetting a fundamental connection requirement with >>> MMF, but hoping a few of you could shed some light. I've copied a link to >>> the image of the Fiber termination in my rack at the bottom of this email. >>> >>> There are 3 LC connections in the picture. I have a LC/LC patch connected >>> between, for this discussion, the LC1 and LC3 while LC2 is connected into >>> the switch via the LC/SC patch. This connection topology is mirrored on the >>> remote side and no dice. I figure to connect the LC cables from LC1 to LC3 >>> to complete the loop, per se. I've tried direct connections from all LC >>> ports into the switch without the rest of the cables connected and nothing >>> happens. e.g. I can't ping any devices on the either side and i don't see an >>> activity light on the switchport (FYI ports have been set as trunk ports and >>> permitting all vlans) >>> >>> >>> http://s396.photobucket.com/albums/pp44/sipe3202/Tech/?action=view¤t=IMG00086-20100324-1340.jpg >>> >>> Cheers, >>> >>> Harry >>> >>> >>> >>> >>> >>> >>> >> > > > > > ~ Finally, powerful endpoint security that ISN'T a resource hog! ~ ~ <http://www.sunbeltsoftware.com/Business/VIPRE-Enterprise/> ~
