Great to hear! Jon
On Wed, Mar 24, 2010 at 4:02 PM, Harry Singh <[email protected]> wrote: > 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/> ~
