Toshiba STRATA DK24 Manual page 84

FIGURE 2-17-DOOR PHONE/LOCK CONTROL
UNIT (HDCB)
or PEPU) and/orjack B of each HDCBf for up
to five door lock controls.
8.34 External Speaker.
The external speaker
option is a 3-watt, 6 inch speaker with a built-in 3-
watt amplifier. A +12VDC power supply (HACU-
120) is provided with each external speaker, which
connects to the speaker's back panel. An 8' cord is
provided to plug in the power supply to a 117VAC,
60 Hz outlet. The HESB has three applications:
paging speaker, talk-back speaker, and amplified
ringing bell. See the
General Description
for more
application details.
8.35 Voice Messaging System.
The Messaging
System helps a business significantly improve the
effectiveness of its telephonecommunication. See
the
Genera/ Description
for more feature details.
8.36 The STRATA DKsystems use in-band DTMF
tone signaling to interface with the INTOUCH
system. The PSTU and/or PESU must be installed
in the STRATA DK KSU in order to support the
Voice Messaging System.
8.37 INTOUCH interfaces with the STRATA DK
system through the MDF using standard connec-
tors. Each voice mail port requires a 1 -pair wiring
connection to the MDF, and one port on the PSTU/
,, PESU, as well as special programming in the
STRATA DK to act as a voice mail port.
INSTALLATION-SYSTEM DESCRIPTION
SECTION 200-096-202
FEBRUARY 1991
8.40 Customer-supplied Peripherals
.
8.41 The STRATA DK systems support many
other commonly used peripheral devices which
can be supplied by the customer. Examples of
these devices are listed below, with theconnecting
system PCB noted in parentheses:
l
Auto-attendant Device (PSTU and PESU)
l
Dictation Equipment (PSTU and PESU)
l
External Maintenance Modem (PIOU or PIOUS)
l
Facsimile (PSTU and PESU)
l
Local Maintenance Terminal (PIOU or PIOUS)
l
Modem (PSTU and PESU)
l
Paging System (PIOU or PIOUS or PEPU)
l
Radio Paging Equipment (PSTU and PESU)
l
Remote Maintenance Terminal (PIOU or IMDU)
l
Standard Telephones (PSTU and PESU)
l
SMDR Printer/Call Accounting Device (PIOU or
PIOUS)
l
Voice Mail Messaging System (PSTU and PESU)
9 RELEASE 3 INFORMATION
9.00 The following contains
Release 3
information
relevant to Chapter 2's contents. Descriptions of
the new printed circuit boards, the new digital
telephones, digital telephone upgrade upgrade
options, and new Toshiba-supplied peripherals
are provided.
IO PRINTED CIRCUIT BOARDS
(Release 3)
10.00 PDKU (Digital Telephone Interface Unit):
The PDKU provides eight ports for digital tele-
phones and or Data Interface Units. It can also be
configured to support a DDSS console. The PDKU
does not need an EOCU (off-hook call announce
upgrade unit) to support digital telephones equipped
with off-hook call announce capability. Also, the
PDKU cannot support a door phone control unit
(HDCB), and/or BGM source interface.
l
The PDKU measures 7.5 by 5.5 inches (190 by
140 mm) and connects to the KSU's backplane
with a 40-pin male connector.
l
The PDKU connects to the Main Distribution
Frame (MDF) using a 25pair female amphenol
connector.
t Release 2 and higher
2-19