Avaya 700469968 DBM32 32-Button Expansion Module for 1400 Series telephone

32-Button Expansion Module for 1400 Series

The Avaya DBM32 adds thirty-two programmable keys to compatible 1400 Series telephones. It provides speed-dial and line-feature access for users who need more buttons than the handset alone supplies. Up to three modules can be attached to a 1416 phone, yielding a combined total of 112 keys. The unit is designed for office environments that rely on Avaya desk phones.

External power supply required

Each DBM32 module draws power from its own external supply rather than from the host telephone. This arrangement keeps the phone’s internal power budget unaffected while the expansion keys remain active. The separate adapter also means an additional mains socket is needed for every module installed. No internal fan or active cooling is present, so operation stays silent.

Daisy-chain mounting on 1416 handset

Modules connect to the 1416 telephone in a daisy-chain configuration, expanding the button field directly beside the handset. The physical linkage aligns the extra keys with the phone’s existing layout for consistent reach. Because the design targets the 1400 Series specifically, it cannot be used with other Avaya phone families or third-party devices. Buyers who need expansion on unsupported models must seek a different solution.