Toshiba Strata Dk14, Dk40i, Dk424i General Description Manual

							Stations and Peripherals
Speakerphones
Strata DK General Description    6/0055
Speakerphones
The DKT2010-S, DKT2010-SD, DKT2020-S and DKT2020-SD models enable users to make 
both internal and outside calls without lifting the handset (see Ta b l e  3 2). 
The DK2020-FDSP enables handsfree speakerphone use with the option to switch between “full-
duplex” (concurrent speech) and “voice switch” (alternating conversation between telephones). It 
has also been designed to work with an optional, external, super-directional microphone (RFDM) 
for enhanced full duplex performance.
Table 32 Speakerphone Features
FeatureDescription
Handsfree Answerback All DKT2000-series telephones enable users to answer internal calls without 
lifting the handset.
Handset OCA Enables you to speak through the handset of an off-hook, busy digital phone.
Flexible Buttons All DKT2000-series telephones have flexible buttons which can be assigned 
to access features or CO lines.
The DKT2010-S and the DKT2010-SD both have 10 flexible buttons, and the 
DKT2020-S, DKT2020-SD and the DKT2020-FDSP have 20. LEDs can be 
red or green depending on conditions.
Fixed Buttons All DKT2000-series digital telephones have fixed buttons with red LEDs 
which are permanently dedicated to the features noted below:

The Message button is used to turn on the Message LED of a called station 
that is busy or that does not answer. Users can press 

 to call back the 
station or voice mail device that left the message.
The Microphone button cuts off the microphone during speakerphone 
operation to enable private office conversations. Also used to enable 
handset OCA talkback mode.
The Speaker button is used to turn the speaker on and mutes handset 
microphone for group listening. It also disconnects on-hook dialing calls.
	The Redial button is used to redial the number last dialed from the station.
 The Conference/Transfer button is used to set up the Conference and 
Transfer features.
 The Volume up/down button provides independent control of the handset, 
speaker, and ring volumes.
	The Hold button places internal [DN] and outside calls on hold. Can also be 
used to place calls on Exclusive Hold.  
						

							Stations and Peripherals
Peripherals
56Strata DK General Description    6/00
Peripherals
The Strata DK supports several types of stations and customer-supplied peripheral devices, such as 
attendant consoles, Direct Station Selection (DSS) consoles, door phones for visitor screening, a 
music source for MOH, a speaker for BGM and Paging, Toshiba Stratagy systems and Voice 
Processing (VP) for voice mail/auto attendant applications, and more (see Figure 16).
For information on the supporting PCB or data interface unit, refer to “Customer-supplied 
Peripherals and Interfaces” on Page 124.
Figure 16 Strata DK Peripherals
$
5208
SMDR Data
Collection Ground/Loop/OPS/Caller ID (all DKs)
Tie/DID/T1/ANI/DNIS/
ISDN PRI and BRI (DK40i 61
and DK424i) Network Interface LinesDoor Lock
Control
Standard 
Telephone
Voice Mail Integration
(SMDI and In-Band DTMF)  Alarm Sensor
(DK40i, DK424)
Least Cost
Routing
Door Phone/
Monitor Stations
External
SpeakerOff-hook Call
Announce
Digital 
Telephone
Modem Pooling Digital Telephone
with ADM ConsoleCentrexPrinter
(Sharing)Stand-alone Data 
Interface Unit Mainframe Computer AccessDigital Telephone With
Integrated  Personal
Computer Interface
TAPI Personal
Computer DSS Console
(DK40i, DK424, DK424i)
Strata AirLink
Wireless Handset
Facsimile
G4-ISDN (DK40i, DK424, DK424i)
PC Attendant Console (DK424i)
DKAdmin PC Remote Administration
ACD/MIS PC (DK424i)
Call Center Viewer (DK424i)
Insight DK and Insight DK Plus (DK424i)
ISDN Video Conference (DK424i)
ISDN Fast Internet Data (DK424i)
Hospitality Management Information System 
(DK40i, DK424i)
StrataControl
Voice Over Internet Protocol (DK40i and DK424i)
Music-On-Hold/
Recorder ControlDigital 
Cordless
Telephone
123
456
789
0#abc
ghi jkl mno
pqrs tuv
operwxyzdefHOLDMSG CNF/TRN MUTE talk
chanvol 
						

							Stations and Peripherals
Digital Telephone Upgrade Options
Strata DK General Description    6/0057
Digital Telephone Upgrade Options
Digital telephones can be upgraded with the following options.
Digital Add-on Module (DADM)
The DADM adds 20 feature buttons to DKT2000-
series telephones. These feature buttons can be 
assigned for CO line access, DSS, and Station or 
System Speed Dial. Directory Numbers or other 
functions, however, cannot be assigned to DADMs. 
Up to two DADMs can be attached to a telephone to 
provide 40 buttons to supplement the telephone’s 10 
or 20 buttons. 

DK14 supports up to eight DADMs

DK40i supports up to 12 DADMs

DK424i supports up to 200 DADMs (see 
Table 40 on Page 109 for the capacities of 
different common control units)
Integrated PC Interface (RPCI-DI)
An optional RS-232 PC interface unit that replaces 
the normal telephone base and provides the 
telephone with simultaneous computer-telephone 
interface and voice/data features, without the need 
of a modem or an extra outgoing line.
RPCI-DI-equipped digital telephones can also be 
connected to a PC with Microsoft
® Windows®  
TAPI applications. TAPI, or Telephony Application Programming Interface, applications enable 
the DK to provide “pop-up” screens on a PC that show information on the Calling or Called party.
Information such as ANI, DNIS, and Caller ID data is sent from the digital telephone/RPCI-DI to 
provide information for “pop-up” screens to the computer. The Telephone Service Provider 
Interface (TSPI) PC software is included with each RPCI-DI. For details on data interface 
specifications, see Table 51 on Page 129.
Digital phones shared with the Cordless DKT-2004-CT telephone cannot use the RPCI.
Headset/Loud Ringing Bell Interface (HHEU)
The HHEU provides interfaces for both a headset and a loud ringing bell speaker. The headset 
must use a carbon microphone. (With the loud ringing bell feature, the speaker amplifies the 
ringing or voice announcement of an incoming call.) For details on data interface specifications, 
see Table 49 on Page 128.
Microphone Unit (RFDM)
The RFDM1A is an external microphone that connects to the DKT2020-FDSP. This enables users 
to select a setting that provides the clearest transmission for a particular environment. In addition, 
the DKT2020-FDSP has three operational modes for enhanced microphone operation. See 
“Microphone (External Unit)” on Page 105 for more information. 
						

							Stations and Peripherals
Stand-alone Data Interface Unit (PDIU-DS)
58Strata DK General Description    6/00
Speaker Off-hook Call Announce (DVSU)
DVSU-equipped digital telephones can receive Speaker OCA. This enables stations to receive 
internal calls over their speaker while on another call. DVSU is not required in a telephone to 
originate OCA calls or in a digital telephone that receives OCA calls via the handset or headset.
Stand-alone Data Interface 
Unit (PDIU-DS)
The PDIU-DS enables users to make switched data 
connections for modem pooling, printer sharing, 
and host/mainframe computer accessing. LEDs on 
the front panel of the PDIU-DS indicate the status 
of each call.
Cordless Digital Telephones
Toshiba offers two cordless digital telephone models, the DKT2104-CT and the DKT2004-CT. 
These cordless digital telephones bring mobility and productivity to office telephones. Greater call 
access cuts down on leaving messages and playing “telephone tag.” The compact designs of both 
the DKT2104-CT and the DKT2004-CT offer easy portability and mobility within the office 
complex.
Both the DKT2104-CT and DKT2004-CT feature digital 900 MHz technology and represent state-
of-the-art design and engineering.
The DKT2104-CT and DKT2004-CT telephones operate from the same digital station port on the 
PDKU2 as the DKT2000-series digital telephone which may or may not be attached. They cannot 
receive Group Pages or All Call Pages. They can be attached to a Toshiba DKT2000-series corded 
digital telephone or used as a stand-alone.
DKT2104-CT
The DKT2104-CT works with Strata DK telephone 
systems (except Strata DK24/56/96, Release 3) and 
provides you with reliability, long life, and 
outstanding performance. Some of its features are:

900 MHz Digital Narrow Band technology

30 Simultaneous channels

Liquid Crystal Display (LCD) that wraps using 
2 lines, total of 32 characters

Four displayed operation modes, including 
Message Waiting (MW)

	,  (LCD icon), , and  
buttons

Headset jack (headset optional)

Five handset ring modes, including a vibration mode

Simultaneous charging of handset and spare batteries

Wall-mount or desktop unit with wall-mount plate, and belt clip included. 
						

							Stations and Peripherals
Strata AirLink Wireless Handset
Strata DK General Description    6/0059

Advanced Speed Dial capabilities

Five hours of talk time, and 40 hours of standby at full charge
See Table 41 on Page 110 for a comparison of simultaneous calls available for each system.
DKT2004-CT
The DKT2004-CT features spread-spectrum 
technology, providing clarity and unsurpassed 
range, several times greater than conventional 
analog cordless telephones. Spread-spectrum 
technology offers extremely secure 
communications between cordless digital 
telephones and their corresponding base stations in 
most environments.

900 MHz Digital Spread Spectrum technology

Nine Simultaneous Channels

LCD provides information such as User Name, 
DNIS and Caller ID

Four programmable buttons for feature or multiple line access

	,  (with MSG LED),  , , Memory Dial buttons

Headset jack (headset optional)

Three handset ring modes including a vibration mode

Optional Wall-mount kit available

20 Speed Dial number memory (in addition to 40 station speed dials)

Three hours of talk time, and 40 hours of standby at full charge
See Table 38 on Page 95 for a comparison of simultaneous calls available for each system.
Strata AirLink Wireless Handset
The Strata AirLink Wireless handset, like the cordless telephone, is 
designed for mobility, reliability, and outstanding performance. 
Operating in the 1.9 GHz Unlicensed Personal Communication Service 
(UPCS) range, it represents state-of-the-art design and engineering.
The handset can access up to eight separate Strata AirLink wireless 
systems enabling movement from building to building, system to 
system.
It provides unsurpassed range, clarity, and fully-secured 
communications using a voice scrambling algorithm.
The handset uses one Nickel Metal Hydride (NiMH) battery. When fully 
charged, the battery provides up to four hours of talk and 40 hours of 
standby time. 
						

							Stations and Peripherals
Strata AirLink Wireless Handset
60Strata DK General Description    6/00
Features
The handset is equipped with 12 handset volume adjustments (plus a silent mode), eight ring 
levels, and a lockable dial pad. Seventy internal alphanumeric Speed Dial memory locations 
enable Speed Dialing by name or number.
The handset has an LCD that shows an idle message, date, call duration, and icons. The icons 
represent these conditions:

Off-hook or ringing

Battery strength

Alpha mode

Signal lock and strength
It also has standard built-in buttons that perform these specific functions:
  – turns the power ON and OFF
! – performs hookflash functions
!# – enables features with the use of other buttons; for example, Call Forward, Transfer, Speed 
Dial, and Conference
/ – adjusts volume and scrolls through menu options

– toggles handset between alpha and numeric modes
 – recalls numbers stored in memory
$ – stores Speed Dial numbers/names and the idle message

 – places the handset off-hook to enable calling
%#& – places the handset on-hook and exits from RCL, FCN, STO, and ABC modes
 – erases one or more digits in the display
* – scrolls backwards through the Speed Dial list

– scrolls forward through the Speed Dial list and locks/unlocks the dial pad
Strata AirLink Wireless Systems
The Strata AirLink™ Wireless Telephone system is available as either an External or Integrated 
product.
External Wireless System (BSIA)
The Strata AirLink™ External Wireless Telephone system that is configured to standard ports of 
the Strata DK and many non-Toshiba telephone systems has software that enables a System 
Administrator or technician to quickly diagnose error messages, alarms, and traffic conditions by 
viewing a PC monitor before troubleshooting the hardware.
The Status Window, displayed by the Strata AirLink Manager software, is an active window in 
which viewing reports, querying the software, and rebooting the Base Station Interface Adapter 
(BSIA) is possible. Some of the available reports are:

Base Station channels status

Line status

Call status

Critical alarms 
						

							Stations and Peripherals
PC Attendant Console (DK-PCATT)
Strata DK General Description    6/0061
The software also creates log files and sends error messages to the PC monitor to assist the 
technician in making corrections. The log files are easily opened in any text editor for viewing and 
have information about the BSIA boot software, Base Station upgrades, software queries, errors, 
and alarms.
Integrated Wireless System (RWIU)
The Strata AirLink Wireless Telephone system that is configured to Strata DK telephone systems 
using its own proprietary RWIU PCB also has software that enables a System Administrator or 
technician to:

Set system IDs and enter handset IDs

Set the time and date, and change passwords

Enable UTAM

Change communication ports

Check the software version of the RWIU and Base Stations

View log messages

Reset and upgrade Base Stations and the RWIU

Change Base Station numbers
LEDs and BER Testing
There are several LEDs on each Base Station, BSIA, and the RWIU that indicate normal, boot up, 
and alarm conditions. Signal fading and attenuation can be checked using the resident Bit Error 
Rate (BER) test in each handset for additional troubleshooting and maintenance routines.
PC Attendant Console (DK-PCATT)
Operators can process a heavy load of incoming calls quickly and efficiently using the Strata DK 
PC Attendant Console for Microsoft Windows. The console is not available for the RCTUA 
processor, DK40i or DK14. The console consists of the following items:

Custom keyboard (DK-PCATT-KB)

Handset and cradle (RATHC)

Attendant Console Interface Unit (RATI) connected to an RATU PCB

Special Toshiba-proprietary software
The following customer-supplied items are needed:

An IBM-compatible personal computer (PC) with a 1.44 floppy disk drive and an additional 
COM port to attach to Toshiba RATI PCB

Windows 95 or Windows 3.1

Color VGA monitor

Windows graphics acceleration

Mouse
NoteMinimum requirements for the PC are a 100MHz Pentium® computer with 16MB of RAM 
(for Microsoft Windows 3.1) or 32MB of RAM for (Windows 95), and 200MB hard drive. 
The application uses up to 20MB on the hard drive. A tower PC, placed on the floor, is  
						

							Stations and Peripherals
Direct Station Selection (DSS) Console
62Strata DK General Description    6/00
recommended over a desktop type for visibility. An internal or external modem is 
recommended with a third COM port.
The system supports up to four attendant consoles. Multiple consoles automatically sharing  
incoming call load on a call-by-call rotation basis. Features such as Overflow, Position Busy 
Mode, and Interposition Call Transfer add to the efficiency of multiple console applications.
Although designed to be a dedicated console, the PC can also be used for other Windows 
applications and serve as a multi-purpose work station.
The main screen, shown below, changes according to the status of the console.
Various telephone and system parameters can be changed from the console, without a separate 
maintenance port. These include Telephone User Names and System Speed Dial numbers.
The PCATT provides a Name/Number search that works with automatic or manual call handling. 
Other powerful features for the PCATT include Call Answer Priority and Queuing, Direct Station 
Selection, dial pad DTMF signaling, Emergency Call ID, Flexible Programmable Keys, Loop 
Keys with Status Indication, keyboard or mouse operation, and headset or handset operation with 
volume control. See  “PC Attendant Console Features” on Page 113 for feature descriptions and 
Table 42 on Page 120 for a list of features.
Direct Station Selection (DSS) Console
The DSS consoles are for system operators.
They operate alongside a digital or electronic 
telephone and have 60 buttons which can be 
programmed for DSS, CO line access, All Call 
Page, Night Transfer, and Station or System Speed 
Dial. DSS consoles do not have their own [DNs], 
since they are connected to a telephone.
 Multiple consoles can operate with one DKT:

DK14 does not support DSS consoles

DK40i supports up to three consoles

DK424i supports up to eight consoles (Ta b l e 4 0  
on Page 109 for DSS console capacities for 
various common control units)
The DSS console uses LEDs to indicate call and feature status; the DDSS has dual red and green 
LEDs to help further define status. The DDSS console connects to the PDKU2. For details on data 
interface specifications (Table 51 on Page 129). The older electronic HDSS console is also 
supported. 
						

							Stations and Peripherals
Door Phone (MDFB)
Strata DK General Description    6/0063
Door Phone (MDFB)
MDFBs are often used with a door lock to screen 
building visitors. Door phones also can operate as a 
“hot line.” For example, a door phone can be used 
for calls between an office and a warehouse 
(requires DDCB).

DK14 can have up to six door phones

DK40i can have up to nine door phones

DK424i can have up to 12 door phones (see 
Table 40 on Page 109 for MDFB capacities for various common control units)
Door Phone and Lock Control Unit 
(DDCB)
The DDCB can support as many as three door phones 
(MDFBs) or two door phones (MDFBs) and one door lock 
and connects to designated telephone circuits.
External Speaker (HESB)
The HESB is a multi-functional, external, six-inch speaker 
unit with a built-in three-watt amplifier. It can be used as a 
paging speaker, an amplified talkback speaker, or a 
telephone’s Loud Ringing Bell.
Toshiba Stratagy and Stratagy DK Voice Processing
The Strata DK can operate with Toshiba Stratagy and Stratagy DK voice processing systems, 
which provide a number of helpful features.
The DK14, DK40i and DK424i also support SMDI voice mail integration (see “Simplified 
Message Desk Interface (SMDI)” on Page 86). Refer to the appropriate Stratagy literature for 
details. For Stratagy voice mail processors, a standard telephone PCB is also required (QSTU2, 
KSTU2, RDSU, RSTU2).
The Strata DK supports in-band DTMF voice mail integration for all of the above voice mail 
systems and requires DTMF receivers:

DK14 requires the QRCU3 for DTMF voice mail integration.

DK40i requires the DK40i Expansion KSU for Stratagy DK voice mail. The K5RCU3 is 
required for DTMF voice mail integration. The Stratagy DK does not require a KSTU2, RDSU 
or RSTU2; it acts as an RSTU2 in the Strata DK KSU slot.

DK424i requires the BRCS for DTMF voice mail integration. 
						

							Stations and Peripherals
Cabling and Connectors
64Strata DK General Description    6/00
Cabling and Connectors
Strata DK uses industry standard cabling and connectors to interface with lines, stations, and 
peripherals (Table 46 on Page 125).
Stations use standard twisted-pair cabling to connect to the system via the MDF. Digital and 
standard telephones require just one pair-cabling, or two pair, if equipped with DADM, RPCI or 
DVSU. Electronic telephones need two-pair cabling or three-pair for Speaker OCA. 
Station PCBs connect to stations and peripherals with a 25-pair Amphenol connector via the MDF. 
CO, DID, and Tie line circuits interface with the public telephone network via modular connectors.
Peripheral devices such as SMDR, DKAdmin maintenance PC, etc., are connected to the interface 
PCBs (TSIU, RSIU, PIOU, etc.) with three-pair (six wires) modular cords and the Toshiba PPTC9 
or PPTC RS-232-to-modular adapters.
The Strata AirLink Wireless Telephone system configured to standard ports (RSTU2) connects to 
all Strata DK systems using the Base Station Interface Adapters (BSIAs) and one or two Base 
Stations.
The Strata AirLink Wireless Telephone system configured to digital ports interfaces to the DK40i, 
DK424i (standard cabling and connectors) using the proprietary RWIU PCB. The RWIU uses 
industry standard RJ11 jacks to support up to four Base Stations. Multiple RWIUs can be installed 
to increase the capacity of the wireless system.
Station and Peripheral Specifications
For more information on Station and Peripheral Specifications, refer to these tables in the 
Appendix.

“Station Loop Requirements” on Page 125

“Station Dimensions” on Page 126

“System Tones” on Page 127 

“Subassemblies for Toshiba Telephones” on Page 128

“Data Interface Specifications” on Page 129