User Guide

6 Chapter 1 About the Nortel IP Phone 1120E
NN40050-104NN40050-104
• USB port to support a keyboard or mouse
• automatic network configuration
• hearing-aid compatibility
Note: Powered downstream 1.1-complaint USB hubs are supported, including
USB 2.0 hubs, if they offer USB 1.1 backwards compliancy.
Caution: Do not plug the IP Phone 1120E into a regular telephone jack. This
results in severe damage to the IP Phone. Consult your system administrator to
ensure that you plug your telephone into a 10/100/1000BaseT Ethernet jack
Caution: The IP Phone 1120E is designed for use in an indoor environment only.