Specifications of Panasonic KX‑T7740X

General Information

The KX-T7740X is an expansion console for analog (or digital) Panasonic system telephones, compatible with models KX-T7730 and KX-T7735.

It is designed for quick access to internal extensions, external lines, and PBX functions — especially useful for secretaries, operators, and executives.

Buttons and Indicators

• 32 DSS/BLF buttons with dual-color LED indicators (typically red/green).

• 16 additional programmable buttons without indicators.

• Some sources mention a total of up to 48 direct access buttons (likely combining DSS and programmable ones).

Physical Features

• Available in two colors: white (KX‑T7740X) and black (KX‑T7740X‑B).

• Adjustable tilt angle for better viewing comfort.

• Equipped with anti-slip feet and RJ‑12 connection port.