D-Link DSL-3900 User Manual page 48

Section 4 - Configuration
2.4 GHz Channel Channel Width is available if you select Mixed 11N/G/B, 11N/G, or
Width:
11N for 802.11 Mode. Select 20/40 if you are using both 802.11n
and non-802.11n devices, or select 20 MHz if you want to disable 40
MHz bandwidth communication. The recommended setting is 20/40.
5 GHz 802.11 Select the desired wireless networking standard(s) to use. The
Mode: available options are 11A Only, 11A/N Mixed Mode, Mixed 11AC/
N/A, or Mixed 11AC/N.
Select the desired channel width. The available options are 20 MHz,
5 GHz Channel
Width: 20/40 MHz, or 20/40/80/160 MHz. Depending upon the selected 5
GHz 802.11 Mode, some options may be unavailable.
20/40 MHz Co- Enable or disable 20/40 MHz Co-Exist.
Exist:
Short Guard Enable or disable Short Guard Interval.
Interval:
Select the desired channel for your wireless network to use. Auto is
Channel:
the default option.
Preamble Type: Enable or disable short preamble type.
Schedule
Select a user-generated schedule. A schedule that that either the
2.4GHz or 5Ghz Wi-Fi modes will be turned on or off according to.
Click Schedule to edit schedules.
Click Save when you are done.
D-Link DSL-3900 User Manual
Advanced Settings (continued)
44