CHAPTER 2.
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2.4.4 Add-On Module (AOM)
DS-5064B 64-Button AOM
64 programmable keys with red LEDs
Up to 4 can be assigned to a keyset to provide
additional programmable keys
2.4.5 Keyset Daughter Board (KDB)
5000 Series Keyset Daughter Board
DS-5014D, DS-5021D and DS-5038S keysets support one of 3 different types of daughter
board installed on them to enhance operation or to provide an additional local port,
depending on the type of daughter board.
KDB-Digital Line Interface (KDB-D)
If your keyset is connected to a Digital Line Interface (DLI) port that
supports 2B + D operation, you may install a daughter board that provides a
Digital Line Interface (DLI) port for connection of a digital station device
such as a keyset or 64 button add-on modules.
KDB-Subscriber Line Interface (KDB-S)
If your keyset is connected to a Digital Line Interface (DLI) port that
supports 2B + D operation, you may install a daughter board that provides a
Subscriber Line Interface (SLI) port for connection of a standard telephone
device such as a cordless phone.
KDB-Full Duplex (KDB-F)
The standard speakerphone mode of operation for 2-line LCD keysets is „half
duplex‟. This means that you cannot transmit and receive speech at the same
time. Adding a KDB-F to your keyset will convert the speakerphone into full
duplex mode, enhancing its operation. In addition, the KDB-F may have up
to 3 external microphones attached to it for conference room type
applications. These microphones require an „EXTMIC‟ key programmed on
the keyset to activate or deactivate them.
