2.3.2 Security Cable SlotLets you attach a commercially available antitheft device to the computer (see "1 3 1 H Security Cable Lock").2.3.3 Audio Connectors2.3.4 IEEE 1394 ConnectorConnects devices supporting IEEE 1394 high-speed transfer rates, such as some digital video cameras.2.3.5 Smart Card Reader (with blank)Supports one smart card. Smart cards provide a variety of functions, including security features and data storage. Theblank prevents foreign matter from entering the interior of the computer when a smart card is not installed in the smartcard slot. For more information and instructions on removing the blank, see "1 3 2 H Smart Cards".2.3.6 Wireless SwitchWhen enabled through Dell QuickSet, this switch can scan for a wireless LAN (WLAN) in your vicinity. You can also use itto rapidly turn off or on any wireless devices such as WLAN cards and internal cards with Bluetooth wireless technology(see "1 3 3 H Dell Wi-Fi Catcher™ Network Locator").1“off” position –disables wirelessdevices2 “on” position – enableswireless devices 3“momentary” position –Scans for WLAN networks(see “1 3 4 H Dell Wi-FiCatcher TM NetworkLocator”)2.3.7 PC Card SlotSupports one PC Card, such as a modem or network adapter. The computer ships with a blank installed in the slot toprevent foreign matter from entering the computer interior when a card is not installed (see "1 3 5 H Card Types").