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From: Merv on 24 Apr 2008 07:39 On Apr 24, 4:17 am, serge1961 <serhiy.dmytre...(a)dfdk.com.ua> wrote: > On Apr 24, 10:13 am, Merv <merv.hr...(a)rogers.com> wrote: > > > On Apr 24, 3:11 am, serge1961 <serhiy.dmytre...(a)dfdk.com.ua> wrote: > > > > On Apr 24, 9:56 am, Merv <merv.hr...(a)rogers.com> wrote:> > We have a stack of three WS-C3750-48TS-S with GLC-LH-SM= in it. We > > > > > must connect WS-C2960G-48TC-L to this port(s). > > > > > What version of IOS is currently loaded on the > > > > > a) WS-C3750-48TS-S > > > > As far as I remember, it's something like 12.2... > > > > > b) WS-C2960G-48TC-L > > > > It's not ordered yet. > > > > > What model of SFP is installed in WS-C2960G-48TC-L > > > > That is what I want to know: 1) model of SFP for WS-C2960G-48TC-L > > > and 2) model of cable to > > > connect'em > > > > Thank you. > > > > Serhiy. > > > How afar apart will these switches be located ? > > In a neighbouring racks (have two racks only). > > > Are you using single-mode fiber to connect ? > > Not shure about it, but I can provide you with parts numbers for > SFP and Fibers used to connect another links: > SFP Prod.# GLC-LH-SM=, P/N: 30-1299-01, CLEI P/N: CN8ID42AAA > FO Patch 2xLC-2xFC 9um, UPC 3m, P/N: R126121 > > Thank you. > > Serhiy. my understanding is that the WS-C2960G-48TC-L has 2 dual-purpose ports ( for uplinks) i.e. two RJ45 ports that are "paired" with two SFP ports - only one of the two-paried ports can be used at a time. so you should be able to copper cable the 2960G (CAT5E or better cabling) which would mean you would get two copper SFP's for the 3750's if you want to have two links between the 2960 and the 3750 if you want to use fiber then you would use short-haul (SX) SFP's - multimode would suffice for 1GE link If you have a Cisco SE discuss with him/her or distributor SE |