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INSTALLATION-CONFIGURATION
SECTION lOO-816-203
MARCH1993
~~16 WORKSHEET 3, PERIPHERALS AND UPGRADES
1. BASE UNIT PERIPHERALS
Battery Backup Interface: Yes or No
Two 12-volt customer-supplied batteries can be connected to this interface to provide backup battery backup
if there is a power failure. See PBTC-3M.
K4RCU: Yes or No
The K4RCU is required to interpret Dual-tone Multi-frequency (DTMF) tones from standard telephones, Voice
Mail, Auto Attendant, and DISA CO circuits.
Music-on-hold/Background Music Source Interface: Yes or No
A music source can be connected to this interface (Standard on DKI 6) to provide Music-on-hold to CO lines
and stations on hold, and to provide Background Music to station speakers and external page speakers.
Alternate Background Music Source: Yes or No
(see Worksheet 1)
Power Failure Transfer Interface: Yes or No
A standard telephone can be connected to this interface to provide connection to a CO line if there is a power
failure. PFT interface is standard on DK16; one customer-supplied standard telephone is required.
PBTC-3M: Yes or No
One PBTC-3M cable is required for each system that requires battery backup. See Battery Backup Interface.
600 ohm page interface (Standard on DK16): Yes or No
This interface connects with customer-supplied speakers and amplifiers (or Toshiba HESB) for paging and
Background Music applications.
Night Bell: Yes or No
A customer supplied night ringing bell can be installed and controlled by the Base Unit relay control (Standard
on DK16).
2. EXPANSION UNIT PERIPHERAL PCB
PIOU or PIOUS: If yes, which one
See Table 3-D.
PPTC: One or Two
Modular adaptor, required for PIOU/PIOUS interface to SMDR device or local maintenance terminal.
3. TELEPHONE UPGRADES (All upgrades share the telephone port and do not require separate ports.)
Add-on Module: Total
2000-series digital telephones can be equipped with an Add-on Module to provide 20 Direct Station Selection
buttons. (If PDIU-D12 is installed, Add-on Module cannot be installed.)
DVSU: Total
One DVSU is required for each digital telephone that must receive Off-hook Call Announce.
HESC-65A: Total
One HESC-65A modular connecting cable is required to connect the HESB to the HHEU in each telephone
requiring the Loud Ringing Bell feature. See HHEU and HESB.
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