TP-Link EAP115 EAP115EU V1 User Guide - Page 24
IP Settings
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Channel Width: Channel: Tx Power: Select the channel width of this device. Options include 20MHz, 40MHz and 20/40MHz (this device automatically selects 20MHz or 40MHz, and 20MHz will be used if 40MHz is not available). According to IEEE 802.11n standard, using a channel width of 40MHz can increase wireless throughput. However, users may choose lower bandwidth due to the following reasons: 1. To increase the available number of channels within the limited total bandwidth. 2. To avoid interference from overlapping channels occupied by other devices in the environment. 3. Lower bandwidth can concentrate higher transmit power, increasing stability of wireless links over long distances. Select the channel used by this device to improve wireless performance. 1/2412MHz means the Channel is 1 and the frequency is 2412MHz. The channel number varies in different regions. By default, channel is automatically selected. Enter the transmit power value. By default, the value is 20. The maximum transmit power may vary among different countries or regions. If the maximum transmit power is set to be larger than local regulation allows, the maximum Tx power regulated will be applied in actual situation. NOTE: In most cases, it is unnecessary to select maximum transmit power. Selecting larger transmit power than needed may cause interference to neighborhood. Also it consumes more power and will reduce longevity of the device. Select a certain transmit power is enough to achieve the best performance. IP Settings You can allocate the EAP a static IP address or set it to obtain an IP address automatically from a DHCP server. By default, the EAP is set to obtain IP address automatically, thus a DHCP server is required in the network. 16