16Installation PrecautionsTo keep the IEEE 802.11n Wireless Customer Premises Equipment well while you are installing it,please read and follow these installation precautions.1. Users MUST use a proper and well-installed grounding and surge arrestor with the IEEE802.11n Wireless Customer Premises Equipment; otherwise, a random lightening could easilycause fatal damage to IEEE 802.11n Wireless Customer Premises Equipment. EMD(Lightning) DAMAGE IS NOT COVERED UNDER WARRNTY.2. Users MUST use the “Power cord & PoE Injector” shipped in the box with the IEEE 802.11nWireless Customer Premises Equipment. Use of other options will likely cause damage to theIEEE 802.11n Wireless Customer Premises Equipment.3. Users MUST power off the ZAC Access Point first before connecting the external antenna to it.Do not switch from built-in antenna to the external antenna from WEB management withoutphysically attaching the external antenna onto the unit; otherwise, damage might be caused tothe ZAC Access Point itself.4. This device is for indoor use only.Product PackageThe product package you have received should contain the following items. If any of them are notincluded or damaged, please contact your local vendor for support.IEEE 802.11n Wireless CPE × 1 Detachable 5dBi Antennas × 2 Pole Mounting Ring × 2 24VDC Power Cord & PoE Injector × 1 Ferrite Suppression Core × 1 Grounding Wire × 1 Product CD × 1Product CD contains Quick Installation Guide and User Manual.Note: