Does anyone have any experience with these GBICS that claim to extend the distance of Gigabit Ethernet over 70km on single mode fiber? From http://www.cisco.com/univercd/cc/td/doc/product/lan/cat5000/cnfg_nts/etherne... WS-G5487 The WS-G5487, 1000BaseZX operates on ordinary single mode fiber optic link spans of up to 70 km in length. -- In a brood of blind back biting vipers... ...the one-eyed snake is king! Rich Sena -.~~~ssssSSSSiSSSSssss~~~.- ras@thick.net
On Sat, 23 Sep 2000, Rich Sena wrote:
Does anyone have any experience with these GBICS that claim to extend the distance of Gigabit Ethernet over 70km on single mode fiber?
There are other GBICs that have 33dB fiber dampening "budget", they should go even some bit further. I've used some to go 40km at least, and they work just fine. There is nothing magical about them. The 70+ ones we've tried with 30dB dampening "blocks", and they linked up just fine. One warning though, they are usually overpriced. Some companies want $5000 per LX70. We found a source (a manufacturer, you have to buy 500 or 1000 per time to keep them happy) that sells them for $1000 a piece. -- Mikael Abrahamsson email: swmike@swm.pp.se
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Mikael Abrahamsson -
Rich Sena