I reckon you might be able to get one out of anyware or ingram or other distys. Dlink / tplink normally get me out of a bind
Looks like umarts a pre order deal with the SM311LM + MC220L
Actually coming to think about it I might have something kicking around in the warehouse will let you know at around 10am
In any case you could try
fibreopticalaustralia.com.au
FibreOptical Aust Pty Ltd
CALAMVALE
QLD 4116
ABN: 30 123 689 251
Phone : 07 3711 5880
Fax: 07 3711 2542