ZyXEL Communications GS1900 Series User Manual page 107

Table 66 Configuration > Port > PoE > Port > Edit (continued)
LABEL DESCRIPTION
Wide Range This field is available on GS1900-8HP (Revision B1) and GS1900-10HP only.
Detection
Select whether to enable a wider detection range for the PD or not.
The Switch detects whether a connected device is a powered device or not before supplying
power to the port. For the PD detection, the Switch applies a fixed voltage to the device and
then receives returned current. If the returned current is within the IEEE 802.3AF/AT
standard range, the device will be considered as a valid PD by the Switch.
However, in real cases, environmental interferences might easily cause the returned current
out of the standard range. This field displays Enable if the Switch applies a wider range for
PD detection. Otherwise, it displays Disable.
Apply Click Apply to save the changes.
Cancel Click Cancel to discard the changes.
Chapter 19 Configuration: Port
GS1900 Series User's Guide
107