INSTALLATION-CONFIGURATION
SECTION 100-816-203
MARCH 1993
3-3
TABLE 3-C
DK8 KEY SERVICE UNIT COMPONENTS
Item Connector TypeSupports Standard Optional
Digital Telephones (with
or without PDIU–DI2 or
ADM)
Stand-alone Data
Interface Units (PDIU-DS)
Door Phone Lock/Control
Unit (DDCB)
Loop Start CO Lines
Standard Telephone
(one)*
Optional HPFB Battery
(one or two per system)
Music-on-hold/BGM
Source*
Amplifier/Speaker
Digital Telephones (with
or without PDIU–DI2 or
ADM)
Stand-alone Data
Interface Units (PDIU-DS)
Loop Start CO Line
Standard Telephones*
Other Single-line Devices*
Fax Machine*
Voice Mail Devices
Alternate BGM source*
Automatic Busy Redial
Standard telephone ports
DISA
Night Relay
External Page Mute
MOH Control Relay
2 Simultaneous
Conferences
SMDR Printer*, or
Maintenance Terminal* or
Modem*
Digital Telephone Circuits (4)
CO Line Circuits (2)
Power Failure Transfer Interface
Battery Backup Interface
Music-On-Hold/BGM Interface
600 Ohm page Interface
CO line CKT (1)/
Digital Telephone CKT (2) (QCDU)
(max. 2 QCDU per system)
Standard Telephone
Interface Unit (QSTU)
2 standard telephone circuits
(1 max.) QSTU per system
DTMF/ABR Tone Receiver
(3-Receiver CKT per QRCU )
Control Relay
Conference Circuit Interface Unit
(QCNU)
SMDR/TTY Interface Unit (QSMU)
(Requires PPTC)
25-pair Amphenol
RJ11 Modular
RJ11 Modular
Proprietary
Cable/Connector
RCA Jack
RCA Jack
25-pair Amphenol
RJ11 Modular
25-pair Amphenol
Internal
25-pair Amphenol
Internal
6-pin Modular
(PPTC adaptor)
✓
✓
✓
Interface
✓
✓
✓
✓
HPFB
with cable
✓
✓
✓
✓
One of the following:
*
Customer supplied equipment not offered by Toshiba Telecommunication Systems Division.