D-Link 16-Port 10/100/1000Mbps Gigabit Ethernet Switch + 2-Port Mini GBIC Web-Smart Switch DGS-1216T - Manual (Page 51)

45
Abnormal* Receive Error: a trap when there are receive data
error in copper port.
Abnormal* Transmit Error: a trap when there are transmit
data error in copprt port.
Abnormal*: 50 error packet count within 10 seconds.
Set Password
Password is the invaluable tool for the manager to secure Web
Management Switch, use this function to change the password.
If you forget the password, press the “Reset” button in the rear panel
of the Switch, the current setting includes VLAN, Port Setting… etc.
will be lost and the Switch will restore to the default setting.
Figure 39. Set Password