http://nwcom.info/Driver/Network/D-Link/DES-3526/3550-3526/SNMP/DES-3526-A4_DES-3526DC-A3_FW_v5.01.B52_D-ViewModule_6.0.exe
http://nwcom.info/Driver/Network/D-Link/DES-3526/3550-3526/SNMP/DV_DES3526_V3.06R07-F3.06B02(0125163223).exe