Avaya 909A Universal Coupler is a refurbished telecommunications interface designed for use with compatible Avaya Definity communications systems and external equipment such as paging and music-on-hold systems. The coupler provides an interface between supported telephone system equipment and compatible auxiliary audio applications, making it useful for organizations maintaining established Definity installations.
The Avaya 909A is the DC-powered version of the Universal Coupler. It is designed to receive -48VDC power from the cabinet power supply. This distinguishes the 909A from the related 909B Universal Coupler, which is the AC-powered version and uses a separate compatible power supply.
Avaya 909A Universal Coupler Features
- Designed for use with compatible paging equipment
- Supports compatible music-on-hold equipment
- Requires an available port on a TN763D Auxiliary Trunk circuit pack
- 909A is the DC-powered version of the Universal Coupler
- 909A receives -48VDC power from the cabinet power supply
- Designed for compatible Avaya Definity communications environments
909A and 909B Power Differences
The 909A and 909B Universal Couplers provide related functionality but use different power arrangements. The 909A uses -48VDC cabinet power, while the 909B is the AC-powered version. The 909B receives power from a separate compatible power supply, such as the Avaya 1151A1 power supply. Confirm the required coupler version and available power arrangement before ordering a replacement.
Compatibility
The Avaya 909A Universal Coupler requires an available port on a TN763D Auxiliary Trunk circuit pack. It is intended for compatible Definity installations where external paging, music-on-hold, or related auxiliary equipment needs to interface with the telephone system.
For businesses maintaining legacy Avaya Definity equipment, a refurbished 909A Universal Coupler can provide a practical replacement for an existing damaged or failed coupler while preserving the established communications infrastructure.
Includes
- One Avaya 909A Universal Coupler
