Dell 5110cn User Guide - Page 104

Connectivity Technology Wireless Compliant Standards 802.11b/802.11g Bandwidth 2.4GHz Data Transfer Rate 11g mode: 54, 48, 36, 24, 18, 12, 9, 6 Mbps 11b mode: 11, 5.5, 2, 1 Mbps Device Type Wireless Printer Adapter Security 64(40-bit key)/128(104-bit key) WEP Encryption/WPA/WPA2 To use the Wireless Printer Adapter, an optional multi protocol card is required. If an optional multi protocol card is not installed, be sure to install it by following the steps in "Installing a Multi Protocol Card". 1. Make sure that the printer is turned off and unplug all cables including the power cord from the rear of the printer. 2. Remove the upper screw on the wireless port cover from the back side of the controller card. 3. Remove the cover from the controller card by the handles. 4. Check that the Wireless Printer Adapter is positioned with the USB mark on the top, and then insert the adapter until it stops. 5. Check that the Wireless Printer Adapter cap is positioned with the mark facing up, and then attach the cap until it clicks.