User Guide
6 Chapter 1 About the Nortel IP Phone 1140E
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• USB port to support a keyboard or mouse
• automatic network configuration
• hearing-aid compatibility
• wireless headset support using a Bluetooth® 1.2
compliant Audio Gateway
(Headset Profile, Bluetooth Power Class 2)
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 1140E 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 1140E is designed for use in an indoor environment only.