ZyXEL ARMOR Z1 - Model NBG6816 User Guide - Page 157
USB Device Problems
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Chapter 16 Troubleshooting • Reduce wireless interference that may be caused by other wireless networks or surrounding wireless electronics such as cordless phones. • Place the AP where there are minimum obstacles (such as walls and ceilings) between the AP and the wireless client. • Reduce the number of wireless clients connecting to the same AP simultaneously, or add additional APs if necessary. • Try closing some programs that use the Internet, especially peer-to-peer applications. If the wireless client is sending or receiving a lot of information, it may have too many programs open that use the Internet. • Position the antennas for best reception. If the AP is placed on a table or floor, point the antennas upwards. If the AP is placed at a high position, point the antennas downwards. Try pointing the antennas in different directions and check which provides the strongest signal to the wireless clients. 16.7 USB Device Problems I cannot access or see a USB device that is connected to the ARMOR Z1. 1 Disconnect the problematic USB device, then reconnect it to the ARMOR Z1. 2 Ensure that the USB device has power. 3 Check your cable connections. 4 Restart the ARMOR Z1 by disconnecting the power and then reconnecting it. 5 If the USB device requires a special driver, install the driver from the installation disc that came with the device. After driver installation, reconnect the USB device to the ARMOR Z1 and try to connect to it again with your computer. 6 If the problem persists, contact your vendor. What kind of USB devices do the ARMOR Z1 support? 1 It is strongly recommended to use version 2.0 or lower USB storage devices (such as memory sticks, USB hard drives) and/or USB devices. Other USB products are not guaranteed to function properly with the ARMOR Z1. ARMOR Z1 User's Guide 157