D-Link DGS-3612G - xStack Switch Reference Manual page 518

Technical Support
D-Link UK Technical Support over the Telephone:
0871 873 3000 (United Kingdom)
BT 10ppm (UK Pence per minute), other carriers may vary.
Times Mon-Fri 9.00am - 6.00pm Sat 10.00am - 2.00pm
+1890 886 899 (Ireland)
€ 0.05ppm peak, €0.045ppm off peak Times Mon-Fri 9.00am - 6.00pm Sat
10.00am - 2.00pm
D-Link UK & Ireland Technical Support over the Internet:
http://www.dlink.co.uk
ftp://ftp.dlink.co.uk