Modular hardware design makes the PARTNER® Advanced Communications System easy to install and expand. The basic system consists of a PARTNER® Advanced Communications System processor module, which supports 3 lines and 8 extensions. You can add various optional devices and telephones to configure your system to meet your needs using these lines and extensions.

To expand the system to include more lines and extensions, simply attach additional modules and a carrier to contain them. The term "control unit" is used to refer to the stand-alone PARTNER® Advanced Communications System processor module (or to the carrier and the modules it contains).

Configurations
The system can have one of three basic configurations, all of which must be wall mounted:

Module Capacities

System Batteries
The system uses two replaceable AAA-size standard alkaline batteries in the PARTNER® Advanced Communications System processor module to ensure that system and telephone programming settings are not lost in case of a power failure.

PC Card Slots
The PARTNER® Advanced Communications System processor module has 2 PCMCIA (Personal Computer Memory Card International Association) interface slots. You can buy PC cards to use in these slots for back-up and restore of system feature settings, or to upgrade software features.

System Capacity
The carrier you use and the combination of 308EC and 400EC modules installed determine the number of available lines and extensions. The system supports up to 15 lines and 40 extensions, or 31 lines and 8 extensions; however, these maximums cannot be achieved simultaneously.

Maximum Configurations

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