On Thu, Aug 09, 2007 at 12:21:02PM +1000, Sunet Sysadmin wrote: > Telstra IGR(telco australia)-----------single mode > fibre-------------demarcation point data centre ----------------single > mode fibre flat SC connector --------------- 7200 series router > 1000Base SX module
There are different flavours of GE tranceivers, some operate on singlemode fibre (LX/LH and ZX) and others on multimode (SX). SX are normally just used within a POP because of the short reach (550m I think). Based on that, I assume you must replace your SX GBIC with an LX/LH or ZX (depending on distance, LX/LH reaches 15km, ZX 70km). Call the telco and ask what the are using on their side and use the same type on your end. -- pelle
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