Toshiba Strata Dk14, Dk40i, Dk424 General Description Manual

							Strata DK General Description    5/99117
Glossary
Term Definition
AAAuto Attendant (built-in or external). This feature acts as an automatic operator that directs 
incoming callers to stations by offering a menu of dialing prompts.
ABRAutomatic Busy Redial.
ACBAutomatic Callback.
ACDAutomatic Call Distribution. Allows incoming calls to be distributed to a group of ACD agents. 
The ACD Supervisors LCD telephone displays ACD Agent and Group information which 
allows the Supervisor to monitor calls and assist agents.
ADM Add-on Module—
See DADM.
AMIAlternate Mark Inversion.
ANIAutomatic Number Identification—Telephone number of the calling party is sent to the Strata 
DK system over incoming DID or Tie lines. This feature is provided by some long distance 
telephone service companies.
B-channelUsed in ISDN. Data or voice information is transmitted on the B-channels of an ISDN line at 
64kpbs. The B-channel refers to the frequency range of transmissions on a copper pair; it is a 
logical, rather than physical channel. Also see BRI and PRI.
B8ZSBipolar 8 Zero Substitution.
BGM Background Music—Allows customer-supplied music to be sent to telephone speakers and 
external speakers.
BLFBusy Lamp Field.
BPS Bits Per Second—Unit of measure that refers to the transmission speed (baud rate) of 
electronic signals. It is used when describing the Data Interface Unit and modem operation.
BRIBasic Rate Interface—ISDN line with 2B + 1D channel. BRI lines can have a U-interface with 
RJ-11 jacks and single twisted pair wiring, or RJ-45 four pair S/T interface wiring. BRI is the a 
smaller ISDN interface than PRI.
BSIABase Station Interface Adapter–Interface between the Strata Airlink™ Wireless Telephone 
Base Stations and the host telephone system.
CESID Caller’s Emergency Service Identification—Telephone number for specific station or station 
location which is sent to the CAMA trunk.
CLASS Custom Local Area Signaling Services—Defines a number of features offered by local 
telephone companies.
CLID or CND Calling Line Identification or Calling Number Delivery—Telephone number or name of the 
calling party sent to the Strata DK system over incoming ground or loop start CO lines. This 
feature is one of the “CLASS” features offered by some local telephone companies. 
						

							Glossary
CO ~ HDCB
118Strata DK General Description    5/99
CO Central Office—The facility which houses switching equipment that provides telephone 
service (CO lines, E & M Tie lines, DID lines, Centrex lines, etc.) for the immediate 
geographical area.
CODECs Coder/Decoder—Semiconductors that allow the system to process analog-to-digital and 
digital-to-analog conversions.
CSUChannel Service Unit. Required between the DK PRI interface and the PRI line provider 
interface in most locations of the U.S.
CNISCalling Number Identification Services—Caller ID for ISDN. CNIS is calling party information 
for outgoing and incoming calls sent to the ISDN network. 
DADM Digital Add-on-Module—Optional device that connects to 2000-series digital telephones to 
provide the telephones with 20 flexible feature buttons that can be assigned individually for 
Direct Station Selection, System and Personal Speed Dial, and CO line access.
D-channelUsed in ISDN. This channel transmit call control information (out-of-band signaling) for B-
channels. The D-channel is a logical, not physical channel. 
DDCB Digital Door Phone/Lock Control Unit—A peripheral hardware unit compatible with 
designated digital telephone circuits that supports optional door phones (MDFBs) and 
provides door lock control.
DDSS Digital Direct Station Selection Console—A device that helps facilitate the processing of a 
heavy load of incoming calls. The DDSS connects only to designated digital telephone 
circuits, and is associated with a digital telephone.
DHDistributed Hunt.
DID Line Direct Inward Dialing line—Allows external callers to dial directly to an internal number.
DILDirect In Line—Refers to two-way, standard CO trunk lines that are assigned to a particular 
extension or hunt group.
DISA Direct Inward System Access—Enables an outside party to access the  Strata DK system 
internal stations or outgoing CO lines without having to go through an operator or automated 
attendant. An optional security code may be set to prevent unauthorized access to outgoing 
CO lines for through system calling.
DKTDigital Key Telephone.
[DN] Directory Number.
DNIS Dialed Number Identification Service—Telephone number of called party is sent to the Strata 
DK over incoming DID or Tie lines. This feature is provided by some long distance telephone 
companies.
DSS Direct Station Selection—Enables a telephone user (as well as a DSS console and ADM 
user) to call another station with the touch of a flexible feature button.
DTMF Dual-tone Multi-frequency—Push-button tone dialing.
DVSU A subassembly that equips a digital telephone with the capability to receive Speaker Off-hook 
Call Announce (OCA) calls. DVSU is not required to receive Handset OCA (HS-OCA).
EKTElectronic Key Telephone.
ESFExtended Super Frame.
FIFOFirst-In, First-Out.
HDCB Electronic Door Phone/Lock Control Unit—A peripheral hardware unit compatible with 
designated electronic telephone circuits that supports optional door phones (MDFBs) and 
provides door lock control.
Term Definition 
						

							Glossary
HDSS ~ RAM
Strata DK General Description    5/99119
HDSS Electronic Direct Station Selection Console—A device that helps facilitate the processing of a 
heavy load of incoming calls. The HDSS console connects only to designated electronic 
telephone circuits, and is associated with electronic telephones.
HESB External Speaker Box—A speaker/amplifier that can be configured with the system to provide 
a variety of functions, such as a paging speaker and/or Background Music (BGM) speaker.
HHEU Headset/Loud Ringing Bell Interface—Subassembly that fits inside a digital telephone or a 
6500-series electronic telephone to allow a headset or an external speaker box (HESB) to be 
connected to the telephone.
ISDNIntegrated Services Digital Network. ISDN service requires service subscription from a telco 
with ISDN equipment. It allows digital information to be exchanged directly at each end of the 
line, without the need to convert analog to digital signals. Connection speeds are faster and 
audio quality is superior.
LATALocal Access and Transport Area.
LCD Liquid Crystal Display—The optional display on digital and electronic telephones that 
displays calling information.
LCR Least Cost Routing.
LSI Large Scale Integration—Related to circuit design technology. Strata DK system printed 
circuit boards (PCBs) use LSI circuit design.
MDF Main Distribution Frame—The wiring frame usually located in a phone closet.
MDFB Door Phone Box—A peripheral two-way speaker box option.
MOH Music-on-Hold—Customer-supplied music or announcements can be sent to parties on-hold 
on CO lines or the intercom. 
NFASNon-facility Associated Signaling—provides the ability to create ISDN trunk groups beyond 
the 23 channels available with a single Primary Rate Interface.
NT-1Used in ISDN. Network Termination device that powers a U-interface ISDN line and enables 
multiple S/T ISDN devices to connect to it. The NT-1 must be UL-listed (U.S.) or CSA-certified 
(Canada).
OCA Off-hook Call Announce. There are two types: Handset OCA and Speaker OCA.
PBX Private Branch Exchange—Industry-standard term which refers to a telephone switch, 
usually on-premises, which serves an individual company, and is connected to a public 
telephone exchange through the Central Office (CO).
PCB Printed Circuit Board.
[PDN] Primary Directory Number.
PFPower Failure.
[PhDN] Phantom Directory Number.
PRIPrimary Rate Interface—A trunk interface to the ISDN network, which enables multiple use of 
channels for DID, Tie, FX, WATS, 800, etc. It supports multiple services and dynamic channel 
allocation. PRI is the larger ISDN interface (via the RPTU) with 23B+D transmission format. 
Channels are 64-kbps. Also see BRI.
PSAPPublic Safety Answering Point—Used for E911 calls. 
RAM Random Access Memory—Refers to the type of system memory that holds individual system 
configuration and feature programming. RAM is read/write memory, and can be easily 
revised in programming.
Term Definition 
						

							Glossary
ROM ~ U Interface
120Strata DK General Description    5/99
ROM Read Only Memory—Refers to the type of system memory that holds static software that 
comprises the mechanics of the features’ functions. ROM is only revised by Toshiba software 
engineers.
[SDN] Secondary Directory Number.
SFSuper Frame.
SLTSingle-line Telephone.
SMDI Simplified Message Desk Interface—RS-232 link from PIOU, PIOUS, RSSU, RSIS, or RSIU 
modular jack connected to a voice mail machine to provide Strata DK voice mail integration.
SMDRStation Message Detail Reporting.
SMIS Software Management Information System (SMIS).
S/T InterfaceReference interface points (“S” or “T”) of an ISDN network. S/T interfaces are 
RJ-45, 8-wire connection interfaces for ISDN equipment. An NT-1 is needed to network U-
type BRI lines to S/T type interfaces. 
TA P ITelephone Application Programming Interface.
TATerminal Adapter or ISDN modem that converts PC and other types of protocol into a signal 
that works with ISDN. Generally, TAs support RJ-11 voice ports and RS-232C or V.35 or 
V.449 data interfaces.
TETerminal Equipment. This refers to devices using ISDN service (telephones, faxes, 
computers, etc.). TE1 supports ISDN formats with S/T or U-type interfaces.
TSPITelephony Service Provider Interface.
U InterfaceA single twisted pair of copper wire on an RJ-11 jack. The wiring is identical to POTS, with 
different signaling. Only one U-interface device can be attached per line.
Term Definition 
						

							Strata DK General Description    5/99121
Index
Symbols
[DN],95
[PDN],77, 88
[PhDN],77
[SDN],77
Numerics
48v loop voltage,37
A
AA,12, 62
abandoned call numbers,61
ABR,90
ACB,90
account code button,90
account codes,61
ACD,62
add-on modules,90
capacities,89
administration software,83
alarm sensor,62
alert signal button,90, 100
alternate answer point,62
amplified conference,88
interface,62
ANI,63, 88
ANI/caller ID,100
answer
button,
102
priority,102
prompting,102
attendant console (see PC attendant console)
auto attendant,
62
DK14 feature key,4
DK40i feature key,12
DK424 feature key,21
simultaneous announcements,88
auto day/night mode switching,102
auto dialing,102
automatic
busy redial,
90
call distribution,62
callback,90
hold,90
line selection,91
number identification,63
release from hold,64
B
background music,64
with station control,91
base cabinet,19
basic rate interface (see BRI, see also ISDN)
BGM,
64, 91
BRI,39, 40, 40, 73
busy lamp field display,102
busy override,91
busy station transfer/busy station ringing,91
C
cabling,60
call forwarding
all calls,
91
busy,92
busy/no answer,92
external call,92
fixed,92
no answer,92
call park orbits,88
auto park,93
park and page,92
call pickup,93, 100
call transfer
immediate,
93
recall,94
unrestricted to DNS,85
with camp-on,93
call waiting count,103 
						

							Index
D ~ D
122Strata DK General Description    5/99
caller ID,12, 65, 88
interface unit,37
lines (see also BRI, PRI lines)
calling number identification services,
75
CAMA trunk,40
centrex ringing repeat,65
centrex/PBX
compatible,
65
features,94
CNIS,75
abandoned call numbers,88
CO line,9
capacities,89
groups,88
CO line/digital telephone interface,36
CO private lines,98
color CRT display,103
common control units,20
computer telephony integration (CTI),66
conferencing,67, 88, 94
connectors,60
continuous DTMF tone,94
cordless digital telephone,54, 89, 100
credit card calling,67
D
DADM,53, 90
data call button,94
data switching,67
day/night modes,67
DDCB,59
DDSS,58, 94
delayed ringing,67
DH,82, 88
diagnostics and troubleshooting
system,
18, 33
dial “o” for attendant,103
dial outside number for station user,103
dialed number identification service,68
DID,38, 68
lines,89
digital
add-on module,
53
single line telephone (see DKT2001)
telephones,
48
features,90, 100
interface unit,35
system capacities,89
upgrade options,53
digital/standard telephone interface unit,35
direct inward dialing
interface unit,
38
lines, 68
direct inward system access,
69
direct station selection,103
button,94
console,58, 94
directory
display and dialing,
103
number buttons,95
DISA,69
security code revision,95
distinctive
CO line/directory number ringing,
69
LED color indications,95
station ringing,95
distributed hunt,82, 88
DK14,1
base KSUarchitecture,2
digital telephone circuits,2
features,61
functional block diagram,6
maintenance and programming,8
power failure interface,4
power supply,4
stations and peripherals,47
system technology,7
typical line configurations,5
DK40i,9
base KSU
architecture,
11
caller ID,12
CO line circuits,11
digital telephone circuits,11
expansion KSUarchitecture,14
features,61
functional block diagram,16
interface PCB options,44
line configurations,14
maintenance and programming,17
power failure interface,14
power supply,13
stations and peripherals,47
system technology,17
DK424,19, 109
architecture,19
features,61
floor mount hardware,28
functional block diagram,29
interface PCB options,45 
						

							Index
E ~ I
Strata DK General Description    5/99  123
maintenance and programming,32
maximum line capacities,22
PCBsubassemblies,21
peripherals,52
power requirements,26
printed circuit boards,21
release 3.2,101
release 4.0,64, 68, 69, 73, 83, 84
stations and peripherals,47
system technology,32
DKAdmin,8, 17, 32, 83
DK-PCATT,57
DKT2001,49, 100
DKT2004-CT,54, 89
DNIS,68, 88
do not disturb,95
override,95
door locks,89
door phones,59, 69, 89
lock control unit,59
DP/DTMF mode change,95
DSS,94, 103
DTMF
back tone,
70
dial pulse CO line compatible,70
receiver subassembly,21
signal time,70
signaling from dial pad,103
DTMF/ABR tone detection receiver,12
DVSU,54
E
E&M tie line unit,38
E911 cama trunk
interface unit (RMCU),
40
subassembly (RCMS),40
E911 CAMA trunk,40
electronic telephone
features,
90, 100
interface unit,36
system capacities,89
emergency
calls and paging,
103
enhanced 911 service,70
EOCU,36
exclusive hold,95
executive override,96
expansion
cabinets,
19
expansion KSU,14
external
page interface unit,
44
page zones,71
speaker (HESB),59
telephone network numbers,68
external page zones,88
F
feature prompting with soft keys,96
features,61
PC attendant console, 102
station,
90
system,61
flash button,96
flexible
button assignments,
71
directory numbers,71
line ringing assignment,71
programmable buttons,104
relay contacts,5
functional block diagram,6, 16, 29
G
ground/loop start interface CO line interface 
unit,
38
group paging,71
H
handset OCA stations,89
handsfree
answerback,
96
directory number paths,72
headset operation,104
headset/loud ringing bell interface,53
hearing aid compatible,96
HESB,59
HHEU,53
HMIS,72
hold
button,
104
timer display,104
hospitality management information system (see 
HMIS)
I
incoming call
identification,
104
statistics,104
integrated PC Iinterface,53
integrated services digital network (see ISDN)
interposition call transfer,
105 
						

							Index
J ~ P
124Strata DK General Description    5/99
ISDN,73
basic rate interface unit (RBSU),39, 40
subassembly (RSSS),39
subassembly (RSSS),40
BRI S/T or S-type circuits (TBSU),12
BRI station circuits TE-1 and TA,89
BRI, PRI channel lines,89
primary rate interface unit (RPTU),39
J
join button,105
K
K5RCU3,12
KCDU,36
keyboard or mouse operation,105
KKYS1,12
KSTU2,12
L
LCD
features,
96
telephones,50
least cost routing,75
line
capacities,
5, 14, 22
groups,76
queuing,76
live system programming,76
load sharing,105
loop hold display,105
loop start CO line interface,38
subassembly,38
M
maintenance
DK14,
8
DK40i,17
DK424,32
DKAdmin/modem (TTY) interface,12
MDFB,59
memory protection,76
message center,105
message waiting,76
buttons,78
microphone cut-off button,96
modem button,96
modular
handset and line cords,
96
headset,97
MOH,5, 78
multiple directory numbers
PDN, SDN, PhDN,
77
multiple FCC registration,78
multi-tasking,105
music-on-hold,78
interface,5
N
name/number dialing,106
night ringing over
external page,
78
selected page zones,78
non-blocking talk paths,78
non-facility associated signaling (NFAS),74
O
OCA speaker,89
off-hook call announce,89
handset mode,97
speaker mode,54, 97
upgrade unit,36
off-premises stations,78, 89
on-hook dialing,97
option interface unit,43
outgoing call restriction,79
overflow calls,106
overriding calls,106
P
paging
external zones,
88
groups,71, 88
interface,5
max. simultaneous stations,88
PC
applications,
99
attendant console,57
conference setup,102
features,102
interface unit,37
on-line help,104
soft keys,104
system capacities,89
digital telephone,56
PCB,21
circuits, interface options and connectors,40
CO line,37
console,37
option interface,43
station,35
universal slot,35 
						

							Index
Q ~ S
Strata DK General Description    5/99  125
PC-DKT,56
PC-telephone interface (RPCI-DI),98
PDIU-DS,54, 89
PDKU2,35
PEKU,36
PEPU,44
peripherals,52
customer-supplied,111
specifications,60
PESU,36
PhDN,77, 88
PhDN/MW, 78
pickup groups,
88
PIOU,43
pooled line button,79, 98
position busy mode,106
power failure transfer,79
PRI,39, 73
primary rate interface (see PRI‚ see also ISDN)
privacy/non-privacy,
79
programming
DK14,
8
DK40i,17
DK424,32
push-button dialing,98
Q
QCDU2,3
QKYS1,3
QRCU3,3
QSTU2,3
R
R48S,37
RATU,37
RBSU,40
RBUU,41
RCIS,37
RCIU2,37
RCMS,40
RCOS,38
RCOU,38
RDDU,38
RDSU,35
RDTU,38
RDTU2,41
relay service,79
external page/door lock control relay,80
night relay/hold relay,80
release
3.2,
94, 101
4.0,64, 68, 69, 73, 83, 84
button,98, 106
release/answer button,98
remote
administration/maintenance,
80
retrieval of held/parked calls,98
REMU,38
repeat last number dialed,98
reserve power,80
DK14,4
RGLU2,38
ringing line preference,98
RMCU,40, 41
RPCI,98
RPCI-DI, 53, 89
RPTU2,40
RRCS,21
RSIU, 46
RSSU,
45
RSTS,35
RSTU2,36
RW I U ,43
S
saved number redial,98
[SDN],77
serial hunting,81
serial interface unit,46
simplified message desk interface (see SMDI)
single serial interface unit,
45
SMDI,80
SMDR,12
speaker
OCA stations,
89
off-hook call announce,54
speakerphones,51
speed dial,81
buttons,99
from PC attendant console,106
system capacities,88
split/switch button,107
stand-alone data interface unit,54
standard telephone,89
features,100
interface units
KSTU2,
12
RSTU2,36
subassembly,35 
						

							Index
standard/electronic tele phone i nterface unit ,36