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2 Telephones for the Global Marketplace
DEFINITY ProLogix Solutions Release 2 Overview
555-235-100 Issue 2 June 1999 2-8
The 6424D+M allows you to install a 100A Tip/Ring module, providing a
connection between the telephone and such analog adjuncts as modems, fax
machines, analog conference-quality speakerphones, answering machines, and
TDD machines commonly used by the hearing impaired. The 6424D+M has a
built-in 2-way speakerphone and can be wall mounted. A 24-button expansion
module can be added to provide 24 additional auxiliary buttons. (The 24-button
expansion module requires power from the station or the closet.) The 6424D+M
also has a built-in headset jack.
Requirements
The 6400 Series telephones are compatible with the following 2-wire DCP circuit
packs:
• TN 2181 (16-port circuit pack)
• TN 2224 (24-port circuit pack)
• TN 2214 (international 24-port circuit pack)
7400 Series Digital
Telephones
The 7400 Series telephones are 4-wire, multiline, DCP telephones. Although these
telephones are supported, they cannot take advantage of the latest set of DEFINITY
features. These telephones are not currently sold as new.