What's the most recommended type of Gb port SFP tx in a VLAN with a distance betwen 500-5000m?

[RogerVendite]

1 - HP X121 1G SFP LC LX Transceiver (J4859C)

2 - HP X121 1G SFP LC LH Transceiver (J4860C)

3 - HP X122 1G SFP LC BX-D Transceiver (J9142B)

4 - HP X122 1G SFP LC BX-U Transceiver (J9143B)

I'm using the 3500yl-24G-PoE+(J8692A) and 2915-8G-PoE(J9562A) to creat a star topology.

Thanks and best regards!

Roger.

[Richard Brodie_1 · Accepted solution]

LX should be fine; the standard says 5000m but most transceivers will do 10km or more.

LH is for longer distances and is seriously expensive.

The BX-D and BX-U (one at each end) use different wavelengths in each direction, and use a single fibre for both directions. They might save you on installation cost , if you are tight on spare fibres.

[RogerVendite]

Thanks Richard !