How it Works
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Strata VIe
User Guide
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Toshiba Strata VIe User Guide

TOSHIBA SYSTEM PRACTICES
ELECTRONIC KEY TELEPHONE SYSTEM
STRATA Vie
iOVEM9E’R 1986
-.’
,
TC$SS-IO-09 5Mlssile 4.1
;.
STRATA We
GENERAL DESCRIPTION
NOVEMBER
1986
FIGURE 6-SINGLE-LINE EKT
FIGURE 8-20-key EKT
All EKTs have the same dimensions:
Height: .3.6” (92 mm)
Width: 7.0” (178 mm)
Depth: 9.0” (229 mm)
Housed in an impact-resistant, off-white plastic case, each EKT comes with a brown faceplate (with wine, black or blue faceplates available as extra cost options).
System
wide variation to the feature keys on all
EKTs.
Each EKT features a modular handset cord,
a modulur headset connector (except the
software assignments permit a
FIGURE 7-lo-key BLF EKT
FIGURE 9-20-key LCD EKT
single-line EKT) and is connected to the sys­tem via a 4-conductor modular line cord. All EKTs are easily wall-mounted and are hear­ing-aid compatible.

03 ELECTRICAL CHARACTERISTICS

General
The HKSU operates from an internal power supply, which connects to a nominal 117 VAC, grounded wall outlet.
Loss of AC power will cause operational failure of the system. System memory, how­ever,
is protected from loss due to power
-3-
STRATA Vls GENERAL DESCRlPTlON NOVEMBER 1986
failure with a memory backup battery. In ad­dition, full system reserve power is available as an option.
NOTE.
The batteries used are designed to maintain full memory protection for up to five years with no external power source applied.

TABLE A

SUMMARY OF ELECTRICAL CHARACTERISTICS
Loop Limits
Station Door Phone Control Unit (HDCB) Door Phone/Monitor Station HOLB, HOXB, HSMB
Ringing Tones
CO Line (idle EKT)
CO Line (busy EKT)
Intercom Line Door Phone A & C Tones
Door Phone B Tone
Busy
Dial Tone (Intercom)
Ringback Tone
Busy
Do Not Distuib Tone
Voice Page Warning Tone
Executive Override Warning Tone Hold Recall Tone
Dialing
Primary Power
Environmental Specifications
Override Tone
Tone
HPSU 7120
Operating Temperature Operating Humidity
The electrical characteristics of the system
are detailed in Table A.
04 FEATURES
The features and services of this electronic key telephone system are summarized in Ta­bles B and C, which list the standard and optional features, respectively.
1,000’ (305 M).
1,000’ (305 M)] 24
1,000’ (305 M), 24 AWG cable 17’, (5.2 M), 24 AWG cable
600/800 Hz,
-3 seconds off 2,400 Hz, modulated by 10 Hz; 1 second on-3 seconds off 600 Hz, 1 second on-3 seconds off 870 Hz, 1 second1710 Hz, rings) 870 Hz, l/2-second/710 Hz, 2 l/2 seconds (5 rings)
2,400 Hz, 1 second on-3 seconds off
400
Hz, continuous
400 Hz, 1 400
Hz, l/4-second on-‘! /4-second off
400 Hz, 600 600 2,400
second off
Push-button; system-generated DTMF or dial pulse
117 VAC, 60 Hz 100 watts
32 - 22” F (0 - 50” C) 20 - 80% relative humidity. without condensation
l/8-second on-l/8-second off Hz, 1 second on only (via EKT speaker) Hz, l/2-second on only (via handset)
Hz, modulated by 10 Hz, 1 second on-l
24 AWG cable
AWG cable
modulated by 16 Hz, 1 second on
second on-3 seconds off
and SERVICES
4
2 l/2 seconds (5
-4-

TABLE B

STANDARD FEATURES
SYSTEM
STRATA We
GENERAL DESCRIPTION
NO\IEMBER 1986
c-
l
All Call Voice Page
l
Automatic Dialing-System Paths
l
Automatic Hold Recall
l
Automatic Release from Hold
l
CO Call Pickup
l
Conference (Multi-Station)“.
l
Conference (Multi-CO Line)*
l
Distinctive Ringing
l
DTMF and Dial Pulse CO Line Compatible
o External Page Interface
l
Flexible Key Assignment
0 Flexible Line Ringing Assignment
l
Forced Account Code
l
Group Paging
* Live System Programming
l
Message Waiting
l
MF Signal Time (160/80 ms)
0 Multiple Simultaneous Handsfree Intercom
l
Music-On-Hold Interface
l
Night Ring Answer Code
l
Night Ringing Over External Page
l
Night Transfer
l
Non-blocking Dialing
l
Outgoing Call Restriction
0 PBX Compatible
l
Privacy/Non-Privacy
l
Private CO Lines
0 Relay Service
l
Toll Restriction (6-digit)
l
Toll Restriction Override by System Auto-
matic Dialing
l
Voice or Tone Signalling
l
Wall Mountable HKSU
*Non-amplified
STATION
0
Automatic Callback (Intercom)
0 Automatic Dialing-Station
l
Automatic Off-Hook Selection 0 l-hold Illumination
l
Busy Override
l
Call Forward
l
Call Pickup
l
Call Transfer with Camp-on
l
Directed Call Pickup
l
Direct Station Selection (DSS) Keys 0 Do Not Disturb 0 Do Not Disturb Override
l
DP/MF Mode Change (TONE Key)
l
Exclusive Hold
l
Executive Override (Break-In)
l
Flash Key (PBX Transfer or CO Dial Tone
l
Handsfree Answerback
l
l-called Illumination
0 l-use Illumination
l
Modular Handset and Line Cords
l
On-Hook Dialing
0 Push-Button Dialing
l
Repeat Last Number Dialed
l
Ringing Line Preference
l
Saved Number Redial
l
Station Security (MC0 Key)
l
Station-to-Station Message Waiting with
LCD
l
Trunk Queuing
Recall)
TABLE C
1
0
Background Music with Station Control
0 Door Phone/Monitor Station
l
Alarm Key
l
Door Lock Key
l
EKT Faceplates (Blue, Black or Wine)
l
External Page Amplifier
0 Music-On-Hold Source
l
Off-Premises Extension
l
Ring Generator/Power Supply (MRGU)
OPTIONAL FEATURES
0 Off-Premises Line
l
Station Message Detail Recording (SMDR)
l
System Battery Backup
l
Single-Line EKT
l
lo-key EKT (HFU or Speakerphone)
0 lo-key Busy Lamp Field (BLF) EKT
l
20-key EKT (HFU or Speakerphone)
l
20-key Liquid Crystal Display (LCD) EKT
-5-
.
STRATA We GENERAL
DESCRIPTION
NOVEMBER 1986

05 SYSTEM OPERATION

General
The system (Figure 10) HKSU, power supply and up key telephones (EKTs), up phones (the door phone control unit occupies one station), and optional modules (HOLB,
HC)XB and HSMB). All
._.. -
-..- ._... -,_
consrsts 01 an
to 16 electronic
to three door
connections
-- . ..-_-. -.--
r
between
--_____..
HK
the HKSU and the EKTs are made via a customer-provided main distribution frame (MDF). Using modular line cord(s), the CO lines are then connected between the left side panel and the locally provided (up to two each) or RJ-11C (up to six each)
jacks. An external tuner (or equivalent) is re-
quired if the Music feature is utilized.
Music-On-Hold/Background
:su
tandard
hone
/lHOXBl
RJ-25C
t-Printer
Standard Phone
Standard Phone
] HHSl
FIGURE lo--SYSTEM DIAGRAM
A functional block-diagram of the HKSU is shown in Figure station interfaces on the VMAU, including a solid-state, central control equipment (VCCU). Optional interfacing equipment includes additional sta-
space-division
It consists of CO and
11.
matrix and the
RJ-25C
RJ-11C
i--h
tion connections (SSTU), additional CO con­nections (VCOU), Off-Premises Line (HOLB), Off-Premises Extension (HOXB) as well as
the ring generator/power supply (MRGU) and the (HSMB).
-6-
Station Message
1
CO/PBX
Detail
EKT
*
Recording
VMAU
SSTU #2 #22 - 25
STRATA Vie
GENEaAL DESCRIPTION
NOVEMBER
’ HOLB 1 __-
-
1986
Door Phone/ Monitor Station
FIGURE 11 -FUNCTIONAL BLOCK DIAGRAM
Connections between the station voice lines and the CO lines are via the switching matrix provided on the VMAU PCB
The system is entirely under the control of a single-chip microprocessor, located (along with the system program and data memories) on the VCCU PCB.
06 SYSTEM CONFIGURATION
Key
Service
The HKSU arrangement illustrated in Fig­ure 12 shows the PCBs and optional modules are used
locations of the various
equipment. The optional
only when required. All
Unit
PCBs connect to the VMAU (in some cases, they also attach to the HKSU’s side panel).
Complete with all available options, the HKSU utilizes up to seven different printed circuit boards internally (as shown in Figure
12) and various option modules. The func­tions of the internal units and power supply are:
VMAU: The main PCB of the HKSU consists
of the following three functions: a)
Station Interface-An
interface between the HKSU and up to eight EKTs, which includes the solid-state, space-division matrix used for voice connections be-
-7-
STRATA Vls GENERAL DESCRIPTION NOVEMBER d 986
FIGURE 12-HKSU (with PCBs)
tween the EKTs and the CO/PBX lines. Two-pair wiring
EKT: one pair carrying voice and the
other pair carrying data to and from the
EKT.
b) CO
c) Tone-Performs a number of miscel-
VCOU: An optional interface between the
VMAU and three additional public telehone network or PBX lines. Depending upon lo­cal CO requirements, the VCOU is pro­grammed to provide DTMF or rotary-dial outpulsirg. The VCOU PCB serves up to three CO/PBX lines and three OPLs.
Interface-An
the HKSU and the public telephone
network or PBX for three lines. Ring detection, hold and dial outpulsing for three lines are performed by this PCB. Depending upon local CO re­quirements, the VMAU is program­med to provide DTMF or rotary-dial outpulsing.
laneous system functions:
0
Generates system tones.
9
Provides the switching matrix for the delivery paging and intercom connections.
0
Houses the interface for the exter-
nal page.
0
Houses the interface for music-on­hold.
is required for each
interface between
of tones for both
SSTU:
VCCU: All system control functions are per-
SMOU:
SEPU: An optional 3-watt amplifier for ex-
HPSU 7120:
HPBU-7:
An optional HKSU and stations 18 - 25. Each SSTU PCB serves up to four EKTs. Two-pair wir­ing is required for each EKT; one pair car­rying voice and the other pair carrying control data to and from the EKT.
formed by the single-chip microprocessor on this PCB. The system program stored in
ROM, the--RAM for system operations, and
the RAM for system data storage are also
located on this circuit board. A battery on
this PCB protects system memory should a
power failure occur.
The SMOU is an optional music-on-
hold source that provides electronic syn-
thesized music. One of two musical tunes are available, selected via a switch on this
PCB. The SMOU is connected to the
VMAU via a 7-pin connector.
ternal paging, using a customer--supplied 8-ohm speaker (connected to the VMAU via a IO-pin connector).
The system’s required voltages
are provided by this factory-installed power
supply. The HPSU requires 117 VAC, 60 Hz, with a permissible AC input voltage range of 90 - 130 VAC.
An optional battery backup unit. It is a PCB that mounts inside the power supply housing and is connected to the recommended battery pack (which is
customer-supplied, VDC, maintenance-free, automobile-type
batteries-80 amp/hour maximum rating).
With the optional battery backup assembly
installed, all functions of the system will
continue to operate for several hours (the actual time period is in direct ratio to the type and size of batteries selected) after a
loss of normal electrical power. No calls will be disconnected during switch-over to or from battery power.
interface between the ...
consisting of two 12
Option Modules
HOLB:
An off-premises line module that al­lows the bridging of a CO/PBX line, which appears in the system with a conventional
telephone;
HOLB provides three circuits, all three of
which may be directed to an answering
supervision is provided. Each
.
-8-
STRATA Vie
GENERAL DESCRWTION
NQVEMBER 1986
machine (or similar device) attached to the HUNT connector.
HOXB: An external module that serves as
an interface between the HKSU and con­ventional, single-line telephones or off­premises HOXB PC8 serves two extensions; one HOXB per system. An HOXB will operate with either DTMF or rotary-dial telephones.
An auxiliary ring generator/power supply
(MRGU) is required for the HOXB.
HSMB: Serves as an interface between the
HKSU and a printer or storage device used for the SMDR feature. The module is equipped with an RS-232C interface and connects to the left side panel via two supplied 8-wire modular connectors (one HSMB per system).
HDCB: An optional module connected to the
HKSU at EKT 13 or 14 that allows up to three door phone/monitor stations (MDFBs) to ring pre-selected EKTs. The HDCB has three outputs (A, B, C), which are modular connectors for the three MDFBs. (Outputs B and C may be used for the Door Lock and Alarm features, respectively.)
The principal components of the lo-key electronic key telephone (Figure 5) are: hand­set, dial pad, handsfree answerback (HFU)
nicrophone, speaker and m key, two volume controls, an m key, and nine CO/PBX line or fea-
extension
Station Equipment
microphone control key (m;
(OPX) lines. Each
two paragraphs, and has 10 additional fea­ture keys.
A 20-key Liquid Crystal Display (LCD) EKT (Figure 9), incorporating the same features as those listed above for the 2O-key, may be
located at any or all of the stations. The 32­character alphanumeric Liquid Crystal Display (12-digit display in current release) provides station-to-station message waiting capabili-
ties. Other features include an accurate
clock/calendar in its idle state; and elapsed
time, dialed number, calling station and CO
line are displayed acters only.
All EKTs are
mounting, feature
equipped with a for headset connection (except the single-line
EKT), and are connected to the system via
2-pair modular line cords.
The optional door phone/monitor station (Figure 13) allows a door phone unit to dis­tinctively ring pre-selected station(s). When a station dials an individual door phone, a cir­cuit providing monitoring capabilities on the intercom is established. This option requires station 13 or 14 to be replaced by a door phone control unit (HDCB) and up to three door phone units (MDFBs). One door phone/ monitor can be replaced by an alarm control circuit and one by a door lock control circuit.
by the lower line of char-
easily converted for wall modular handset cords, are
second modular connector
the exception of the four permanently dedi­cated keys and the m key, the remaining feature keys can be. assigned to any one of several keystrip modes by programming. (An
identical EKT is available as a speakerphone.)
The single-line EKT (Figure
dedicated keys
and an intercom/CO line key, which
is not labeled.
A lo-key BLF EKT (Figure 7) provides the same features as those listed above, plus an LED indication of which stations are in use.
The 20-key EKT (Figure 8) same features as those listed in the above
(
provides the
FIGURE 13-DOOR PHONE
-9-
GENEBAL DESCRIPTION NOVEMBER 1986
Installation
The HKSU is configured for wall mounting
only.
All external devices are connected to the
HKSU via connectors and terminals on the
side panels, as follows:
CO/PBX lines are connected‘to the HKSU
4
right side panel via two 3-pair or six single-pair modular cords.
The station connection points are extended
b)
from the HKSU to the MDF using 2-pair
modular line cords. The individual EKTs are connected to the MDF using 2-pair station cables.
A screw-terminal barrier strip is mounted
d
on the left-hand side of the HKSU to pro-
vide attachment points for the music-on­hold source input, relay service and exter­nal page output.
Two modular connectors are also provided
4
on the left side panel for two optional off­premises line modules (HOLBs).
The power supply is mounted inside the HKSU (an optional battery backup PCB is available for the power supply).
Maintenance
Automatic Dialing-System:
bers to be stored in the system’ memory.
After selecting an outgoing line, any sta-
tion user can cause one of the stored
numbers to be outpulsed 1 by dialing the
proper access code.
Automatic Hold Recall:
hold by any station will recall that station after a programmable period of time. A different time period can be selected for each station.
Automatic Release from Hold:
automatically releases held CO lines if a disconnect signal is received from the cen­tral off ice.
CO
Call Pickup:
CO call pickup from another station.
Conference (Multi-Station): Non-amplified
conferencing is permitted. to a maximum of four stations and one CO
ing is not amplified.)
Conference (Multi-CO Line):
will conference two CO lines and up to three stations. (Conferencing is not ampli­fied.)
Distinctive Ringing: CO
are distinguished by different ringing tones.
Using a dial code, allows
Allows 40 num-
A CO line placed on
The system
line. (Conferenc-
The system
and intercom calls
.
Faults in the system are repaired by re­placing any faulty component (PCB, sub­assembly, telephone, etc.) and returning it to the manufacturer for repair.
07 FEATURES and OPERATION
General
This section contains brief descriptions of the features listed earlier in Tables B and C and some associated operating instructions.
Detailed operating instructions can be found in the EKT
All Call Voice Page:
code permits a station user to page via all idle EKT speakers simultaneously. The sys­tem can also be programmed to include
the Ext,rnal Page feature in an All Call
Page.
USER GUIDE.
Standard Features
System
Dialing a 2-digit access
DTMF and Dial Pulse CO Line Compatible:
The system will interface
DTMF or rotary-dial pulse CO lines on a line-by-line basis as determined by system programming.
External Page Interface:
nection point is provided for a customer­provided external amplifier/speaker. The SEPU (see External Page Amplifier) can be mounted in the HKSU when only a cus­tomer-provided external speaker is used; the output impedance will be 8 ohms. This page circuit can be accessed as part of the All Call Voice Page feature.
Flexible Key Assignment:
to be programmed for optimum use of its CO/PBX or feature keys.
Flexible Line Ringing Assignment:
grammable ring or no ring option is pro­vided for each line selectively by each sta-
A 600-ohm con-
with either
Allows each EKT
A pro-
-lO-
STRATA Vie GENERAL DESCRIPTION NOVEMBER
1986
1) Answering Machine Control:
strap remains intact, the relay is op­erated continuously when the system is in night service. This mode is in­tended for indirect control of an an­swering machine.
2)
Night Bell Control:
cut, the relay pulses at a l-second on/3-seconds off rate whenever the system is in Night Transfer mode and an incoming call is ringing the system. This mode is intended to be used for indirect control of an exter­nal night bell.
Toll Restriction (6-digit):
grammed on a station class of service ba­sis. The system performs toll restriction by
analyzing the first 6 or 3 digits (area/
office code) dialed. Simple restriction by
rejecting the numbers 0 and programmed on a per-station basis, if de­sired.
Toll Restriction Override by System Auto-
matic
feature that permits numbers stored by the Automatic Dialing-System feature to be called by toll-restricted stations.
Dialing:
A programmable system
If the strap is
Selectively pro-
1
can be
If the
%utomatic Off-Hook Selection:
line, CO group or intercom access by merely lifting the handset; depressing a CO/intercom key is not required.
Busy Override:
and receiving a busy tone, the caller can dial l and sounded via the called EKT’s speaker.
Call Forward:
be routed to another station. The activating station may be used to originate calls
while this feature is active.
Call Pickup:
calls ringing at other stations or an exter-
nal page by going off-hook and dialing an access code. Call Pickup(m keys can be assigned to EKTs to automatically pick up calls.
Call Transfer with Camp-on:
transfer of an outside call to a station that
is either idle or busy.
Directed Call Pickup:
other station can be answered from any
station by that station going off-hook and dialing the ringing station’s number.
After calling, a busy station
cause a tone burst to be
Allows all calls to a station to
Enables a station to pick up
All calls ringing at an-
Allows CO
Allows the
/ -
Voice or Tone Signalling:
system feature that optionally selects either
tone ringing or voice page as the primary
method of intercom call signalling. The calling station, alternate method by dialing 0 following the station number.
Wall Mountable
signed for wall
Automatic Callback (Intercom):
station user who encounters a busy sta-
tion on intercom to request a callback by
depressing the dedicated key. The system
then monitors the called station and sig-
nals the caller when that station becomes idle.
Automatic Dialing-Station:
vate automatic dialing list of 40 numbers for each station in the system. The Flash
and Pause functions may also be stored when necessary.
however, may choose the
HKSU:
mounting only.
Station
A programmable
The HKSU is de-
Permits a
Provides a pri-
Direct Station Selection
depressing an assigned key, a station user causes the selected EKT to ring. A maxi-
mum of two DSS keys may be assigned
per EKT.
Do Not Disturb:
and deactivated by alternate depressions of the m key. A station calling a station that is in the DND mode will receive a fast busy tone.
Do Not Disturb Override:
DND station, that station may be advised that a call is waiting by dialing 1. A tone
signal will be heard at the DND station.
DP/MF
a station to than e between DP and MF
modes via the
Exclusive Hold: Depressing the m key
twice holds that call securely for the sta-
tion that placed it on hold.
Executive Override (Break-In): A station
programmed for this feature will override
Mode Change (TONE) Key:
This feature is activated
l
i&
(DSS) Keys: By
After reaching a
Allows
key, as required.
-12-
STRATA We
GENERAL DESCRIPTION
NI)VEMBER
1986
the automatic privacy feature and enter
any existing conversation within the sys-
tem. A warning tone, however, is inserted
before the overriding station is actually connected. After reaching a busy station, dial a 1 to override.
Flash Key (PBX Transfer or CO Dial Tone
Recall):
Message which, when operated while connected to a CO/PBX line, causes a timed “flash” to be transmitted to the CO or PBX. The tim­ing of the flash can be programmed to
signal a PBX for feature operation or can be long enough to cause a disconnect and dial -tone recall on a CO line (not available on single-line Waiting.
Handsfree Answerback:
single-line EKT) are equipped for handsfree answerback on voice-announced intercom calls as a standard feature.
l-called Illumination:
pears on the intercom LED at the EKT
that is actually being called.
l-hold Illumination:
a distinctive LED flash to indicate a line placed on hold at the EKT. Other stations see a normal on-hold flash.
l-use Illumination:
shows the line presently in use at a given
EKT. Other stations see a steadily illumi-
nated LED for that line.
Modular Handset and Line Cords:
are equipped with modular handset and line cords, and (except for the single-line EKT) are also equipped with an additional modular headset jack.
On-Hook Dialing:
dial your calls with the handset still on­hook. Call progress can be heard via the telephone speaker;. no need to pick up the handset until your party answers.
Push-Button Dialing:
with push-button dial pads.
Repeat Last
numbet dialed by each station is always
EKTs can be equi
Waiting/Flash
EKT). Also see Message
All EKTs (except the
A distinctive flash ap-
The EKT user is shown
A distinctive flash rate
The system allows you to
All EKTs are equipped
Number Dialed:
ed with a
(b key
All EKTs
The
last
stored by the system and will .be dialed automatically whenever the station user accesses a CO line and depresses the B or m key.
Ringing Line Preference:
station can be answered b handset or depressing the ringing line will be automatically selected.
Saved Number Redial:
that saves a dialed number for redial at a
later time. May be used at any time and is exclusive of the Repeat Last Number. Dialed feature.
Station Security (MC0 Key):
station to individually enable or disable the
Handsfree Answerback feature.
Station-to-Station Message Waiting with
LCD:
sent to another station, indicating that the
displayed station has called. See 20-key
Liquid Crystal Display EKT.
Trunk Queuing:
users to be “stacked” in a waiting queue for a .busy outgoing trunk group by using the Automatic Callback feature. The station will then be signalled when a trunk in the group becomes available. As a programma­ble option, the system may be equipped with one trunk group (dial 9) or four trunk groups (dial 91, 92, 93, 94).
Background Music with Station Control:
Music from the music-on-hold source can
(at the station user’s option) be heard via the EKT speaker.
also be broadcast via the external page interface if an external speaker is installed.
Door Phone/Monitor Station:
tional door phone unit(s) to distinctively
ring pre-selected EKTs. EKT dialing to an individual door phone unit provides moni-
toring capabilities on the intercom.
An EKT’s station number may be
Provides a means for station
Optional Features
The same music may
l
Alarm Key:
set in the system by a customer-sup­plied alarm system. The alarm signal is activated by a closure at the HDCB door phone C output from a customer­supplied alarm system. The alarm signal
Turns off the alarm signal
A line ringing a
lifting the
’ .
&I
A programmable key
key. The
Allows each
Allows op-
-13-
STRATA
Vie
GENERAL DESCRIPTION NOVEMBER 1986
will be heard from all idle EKTs until the alarm key is depressed (station 10 only).
l
Door Lock
relay
closure for indirect control of a
Key:
Activates a dry contact
door lock or other devices. When the key is depressed, the HDCB door phone B output will close for a period of 3 or 6 seconds.
EKT Faceplates (Blue, Black or Wine):
standard brown faceplates can easily be changed on any EKT to coordinate with office decor.
External Page Amplifier:
This optional exter­nal page 3-watt amplifier (SEPU PCB) al­lows access to a customer-provided exter­nal 8-ohm speaker for paging.
Music-On-Hold Source:
optional electronic
When installed, this
music source (SMOU
PCB) eliminates the need for a customer-
provided external music source and pro­vides electronic-generated music to CO
lines placed on hold.
Off-Premises Extension:
Installing an op­tional HOXB allows the system to interface with conventional, single-line telephones or off-premises circuits.
system) serves
The HOXB (one per
two extensions and re-
places two EKTs in the system.
l
MRGU:
An
auxiliary
ringing/power
supply for the HOXB.
Off-Premises Line:
Installing an optional HOLB allows the bridging of a CO/PBX line that appears in the system with a
conventional telephone (or other device, such as a modem). During Night Service, all incoming calls on an HOLB’s three cir­cuits may be directed to an answering
machine (or similar device) connected to a “hunting” output. This option is set in programming.
The
System Battery Backup:
An optional module (HPBU-7) can be installed in the power supply to provide automatic switching to standby battery power. During normal power conditions, the batteries are kept fully charged by the power supply.
Single-Line EKT:
An EKT with three nently dedicated keys (m a and an intercom/CO line key, which is not labeled.
lo-key EKT (HFU or Speakerphone): A
basic EKT with full speakerphone capability or handsfree answerback (HFU) only, de­pending upon the requirements.
1
O-key Busy Lamp Field (BLF) EKT:
A
1 O-key EKT with full speakerphone capa-
bility and an LED panel showing the busy/
idle status of each station. A station in the DND mode will show as busy.
20-key EKT (HFU or -Speakerphone):
A 20-key EKT with full speakerphone capa-. bility or handsfree answerback only, de­pending upon the requirements, plus 10 additional feature keys.
20-key Liquid Crystal Display (LCD) EKT:
This 20-key EKT features a 32-character alphanumeric (12-digit display in current
release) Liquid Crystal Display (LCD), full speakerphone capability, and the same key flexibility as the 20-key EKT. See Station­to-Station Message Waiting: with LCD,
.
Station Message Detail Recording (SMDR):
Adding the optional HSMB allows data to
be collected for each outgoing and incom­ing CO line call. This data is output to a printer or
recording
device
via the
RS-232C interface located on the HSMB.
The HSMB is externally mounted.
-14-
TOSHIBA SYSTEM PRACTICES ELECTRONIC KEY TELEPHONE SYSTEM

INSTALLATION PROCEDURES

SECTION 300-006-200
MAY 1986
Strata@ Vi/,
,-
INSTALLATION PROCEDURES
TOSHIBA
SYSTEM PRACTICES
ELECTRONIC KEYTELEPHONE SYSTEM
INSTALLATION PROCEDURES
INSTALLATION PROCEDURES
SECTION 300-006-200
MAY 1986
Strata VI,
TABLE of CONTENTS
PARAGRAPH
01 02
02.00 03
03.00
03.10
03.20
03.30 04
04.00
04.10
04.20
04.30
04.40
05
05.00
05.10
05.20
05.30
05.40 06
06.00
06.10
06.20
06.30
06.40
06.50
06.60
06.70
079’00
07.10
07.20
08
08.00
08.10
08.20
08.30
SUBJECT

TABLE of CONTENTS

ILLUSTRATION LIST . : : : : : : : : : : : : : : : : : : : : : : : : GENERAL PACKING . : : : : : : : : : : : : : : : : : : : : : : : : : : : : :
Inspection
HKSU REQUIREMENTS’ ’ : : : : : : : : : : : : : : : : : : : : : : :
Power Requirements Ventilation Requirements Environmental Factors Cabling Considerations
. . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . .
. . . . . . . . , . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . .
HKSU INSTALLATION
Wall Mounting the HKSU Explanation of PC6 Functions Power Supply Test Procedures
. . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
’ : : : : : : : : : : : : : : : : : : : : :
. . . . . . . . . . . . . . . . : . .
PCB Installation
PERlPHERALEQUlPMENiINS’TALtiTIQN
General HSMB Installation
. . . . . . . . . . .
. . . . . .
TABLE 1 -RS-232C Pin Connections
HOXB Installation HOLB Installation HDCB Installation
CABLE CONNECTIONS
. . . . . .
. . . . . .
. . . . . .
. , . . . .
Main Distribution Frame Configuration
’ : : : : : : : : : : : : : : :
..................
..................
.................
..................
..................
..................
..................
. . . . . . . . . . . . . . .
Station Cable Connections Door Phone/Monitor Stations Connections (H&B/‘MDFB) Intercom Code Assignment
. . . . . . . . . . . . . . . . . . . .
’ : : : : : :
CO Line Connection Off-Premise Extension/Conventional Telephone Connections (HOXB) Off-Premise Line Connection Station Message Detail Recording Connections
. . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . .
’ : : :
EKT INFORMATION
General EKT Wall Mounting
. . . . : : : : : : : : : : : : : : : : : : : : : : : : :
. . . . . . . . . . . . . . . . . . . . . . . .
EKT Connections
SYSTEM POWER-UP INlilALiZE
General
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clearing Automatic Dialing SMDR Real-Time Clock Adjustment Program Listing
. . . . . . . . . . . . . . . . . . . . . . . . . .
’ : : : : : : : : : : : : : : : : : : : :
. . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . .
PAGE
. . .
III
1 1 1 1 1 1 1 1
2
2
2
3 4 4 5 5 6 7 7 7 7 8 8 8 8 9
10 10 11 12 12 12 14 15 15
15
15
16 17
i
INSTAUATION PROCEDURES SECTION 300-006-200 MAY 1986
ELECTRONIC KEY TELEPHONE SYSTEM
Strata
VI,
INSTALLATION PROCEDURES
TABLE of CONTENTS (continued)
TOSHIBA SYSTEM PRACTICES
PARAGRAPH
09
09.00
09.10
09.20
09.30
09.40
10
10.00
10.10
10.20
10.30
10.40
10.50
10.60
10.70
10.80
10.90
SUBJECT
SYSTEM TEST PROCEDURES
EKT Functional Check Off-Premise Extension/Conventional Telephone Functional Check OPL Circuit Functional Check 19
SMDR Functional Check
Feature Check
MISCELLANEOUS
Wiring Connections
MOH/BGM Source Music-On-Hold Volume Control External Paging Connections Direct External Speaker Connection External Amplifier Connection
Talkback Amplifier
Background Music Volume Setting Sequence Night Relay Service
E&i&&f C&JN~C~I~NS’
........................
........................
........................
........................
.....................
.......................
...
. . : : : : : : : : : : : : : : : : : : :
1 1 1 1 1 1 1 1 1 1 1 1 1
.......................
..................
...................
................
...................
.....................
PAGE
17 17 18
20 20 20 20 20 20 20 21 21
;
21 22 22 23
A
-ii-
TOSHIBA SYSTEM PRACTICES
ELECTRONIC KEY TELEPHONE SYSTEM
INSTALLATION PROCEDURES
Strata VI,

ILLUSTRATION LIST

INSTALlATlON PROCEDURES
SECTION 300-006-200
MAY
1986
NUMBER
1
2
3 4 5
6 7
8
9
10 11 12 13 14 15 16 17 18
:: 21 22 23 24 25 26
27 28 29 30 31 32 33
ZZ’ 36 37 38 39
TITLE
VCCU
Battery
HKSUSideCovers HKSUWallMounting HKSU(withPCBs) HPBU Installation
HKSUCoverRemoval SSTU Location(s)
SEPULocation .........................................................
VCOULocation
External Module Wall Mounting
HSMB Connection Straps
HOXB Connection Straps
HDCB Connection Straps
SystemDiagram
EKTWiring ...........................................................
RJ-11 C/RJ-25C Color Code
HDCB/MDFB Connection
HKSU Right Side Panel
HOXBWiring ..........................................................
HOLBWiring ..........................................................
HSMB/Printer Cabling
lo-keyEKT ...........................................................
lo-keyBLFEKT
20-key EKT ...........................................................
20-key LCD EKT Removing EKT Base EKTWireAccess
EKTWireRouting HandsetHanger
VCCU Battery Strap
Initialize Switch HSMBSwitchesandLEDs SMDR Printout Example (Outgoing Call Record) SMDR Printout Example (Incoming Call Record)
TerminalStrip ..........................................................
ImpedanceSwitch
External Amplifier Hook-up
Volume Setting Controls
Relay
Contacts
Strap
.....................................................
.....................................................
...................................................
......................................................
......................................................
...................................................
.......................................................
........................................................
...........................................
................................................
................................................
................................................
.......................................................
...............................................
...........................................
..................................................
..................................................
........................................................
.......................................................
....................................................
.......................................................
......................................................
.......................................................
.....................................................
........................................................
...............................................
......................................................
...............................................
.................................................
........................................................
..............................
..............................
PAGE
:
2
2 3 4 5 5 5
6 7 7
8
9
8
10
....
.
10 10 11 11 12 12 13 13 13 14 14 14 15
15 15 16
20
20 21
21
22 22 23
-Ill-
. . .
INSTALLATION PROCEDURES SECTION 300-006-200 MAY 1986
telephone station
cable (jacketed but not shielded), having two or more twisted wire pairs.

04 HKSU INSTALLATION

04.00 Wall Mounting the HKSU
04.01
form the following steps:
1) Remove both side covers from the HKSU
(refer to Figure 2) by pressing in on the two
small ribbed sections on each side cover to
free the holders.
To mount the HKSU on the wall, per-
7) A completed installation should appear as hown in Figure 3.
Strata We
FOUR WALL
MOUNTING HOLES
TOSHIBA
FIGURE 2-HKSU SIDE COVERS
2) Hold the HKSU against the wall in its planned location and mark the screw locations through the centers of the two keyholes on the
upper sides of the HKSU.
3) Lay the HKSU aside for the moment and start two screws into the wall at the marked locations. Use 1 l/4” panhead wood screws and stop when they have penetrated to half
their depth.
4) Hang the HKSU on the two screws and start two additional screws in the lower two holes. Tighten all four screws.
5) Knockouts are provided on the top and bot-
tom of the side covers to permit cables to enter the HKSU. Kemove the appropriate knockouts.
FIGURE 3-HKSU WALL MOUNTING
04.10 Explanation of PCB Functions
04.11 A maximum of seven PC&s can be installed in the
shown in Figure 4. The functions of these
CBS are:
Strata We
HKSU, as
A
6) Reinstall the side covers.
FIGURE 4-HKSU (with PCBs)
-2-
INSTALLATION PROCEDURES
SECTION 300-006-200
MAY 1986
VMAU: The main PC6 of the HKSU provides
the following three functions: a)
Station Interface-An
interface between
the HKSU and up to eight EKTs, which
includes the solid-state space
division
matrix used for voice connections between
the EKTs and the CO/PBX lines. Two-pair
wiring is required for each EKT; one pair carrying voice and the other pair carrying control data to and from the EKT.
b) CO Interface-An interface between the HKSU and the public telephone network or PBX for three lines. Ring detection, hold and
dial outpulsing for the three lines are per­formed by this PCB. Depending upon local
CO requirements, the VMAU is programmed
to provide DTMF or rotary dial outpulsing.
c) Tone-Performs a number of miscellane­ous system functions:
l
Generates system tones.
l
Provides switching matrix for tone deliv-
ery of paging and intercom connections.
l
Houses interface for the external page.
04.20 Power
04.21
The system requires 24 VDC, which is
Supply
provided by the internal, factory-installed power supply (HPSU). The HPSU requires 115
VAC, 60 Hz, with a permissible AC input volt-
age range of 90 - 130 VAC.
04.22 An optional battery back-up unit (HPBU-7) is available. It is a PCB that mounts inside the power supply housing (Figure 5) and
is connected to the female 3-prong connector inside the power SUPP~Y’S case. Secure the
/
/
,
6,. -47
VCOU:
VMAU and three additional public telephone
An optional interface between the
network or PBX lines. Depending upon local CO requirements, the VCOU is programmed
to provide DTMF or rotary dial outpulsing (serves up to three CO/PBX lines).
SSTU:
An optional interface between the HKSU and stations 18 - 21 and/or 22 - 25. Each SSTU PCB serves up to four EKTs.
Two-pair wiring is required for each EKT;
one pair carrying voice and the other pair carrying control data to and from the EKT.
VCCU: All system control functions are per-
formed by the singlechip microprocessor on this PCB. The system program stored in ROM, the RAM for system operations, and
the RAM for system data storage are also
located on this circuit board.
SMOU: An optional .music-on-hold source
that provides electronic synthesized music.
It is connected to the VMAU via a 7-pin connector.
SEPU: An optional 3-watt amplifier for exter-
nal paging. The SEPU is attached to the left side panel of the HKSU and connected to the VMAU via one 1 O-pin connector.
i
/
FIGURE 5-HPBU INSTALLATION
04.23 The HPBU is then connected via the
terminal block to the recommended battery
pack (which is customer-supplied, consisting of two 12 VDC, maintenance-free, automobile­type batteries-80 amp/hour rating). With the optional battery back-up assembly installed, all functions of the system will continue to operate for several hours (the actual time period is in direct ratio to the type and size of batteries selected).
04.24 The Toshiba
Strata V/e
key telephone system requires a solid earth ground. Failure to provide such a ground may
lead to confusing trouble symptoms in the sys-
maximum
electronic
-3-
INSTALLATION PROCEDURES SECTION 300-006-200 MAY 1966
tern and, in extreme cases, circuit board fail-
ure. In most installations (within the continen-
tal United States), the ground provided by the
“third wire ground” at the commercial power
outlet will be satisfactory for all
Strata V/=
requirements. However, in a small percentage
of installations, this ground may be installed
incorrectly. Therefore, prior to installing a sys­tem, the third wire ground must be tested for continuity by either measuring the resistance between the third prong terminal (earth ground) and a metal cold water pipe, or by
king a commercially available indicator. If neither procedure is
the test procedures outlined
earth ground
possible, then
in Paragraph
04.30 should be performed.
WARNING!
Hazardous voltage is exposed during the
following test. Use great care when working with AC voltage.
04.30 Test
Procedures
1) Obtain a suitable voltmeter and set it for a
possible reading of up to 250 VAC.
2) Connect the meter probes between the two main AC voltage points on the wall outlet. The reading obtained should be 90 - 130 VAC.
should be obtained. If a reading of more than 1
ohm is obtained, the outlet is
not
adequately
grounded.
8) If the above tests show the outlet is improp­erly grounded, that condition should be cor­rected by a qualified electrician (per Article 250 of the National Electrical Code) before the
Strata
system is connected.
04.31 Ensure that the power switch on the HPSU is OFF, then plug the power supply into
the 1 15 VAC outlet.
04.40 PCB
Installation
04.41 The VMAU and VCCU are factory-in-
stalled in the HKSU.
04.42 If any optional PCBs (SSTU, SEPU,
SMOU or VCOU) are required, refer to Figure 6 and remove the HKSU cover as follows:
1) Remove both side covers by pressi.ng in on
the two small ribbed sections on each cover to free the holders.
2) Remove three screws from each side of the
HKSU per Figure 6.
3) Lift the HKSU cover off.
A
3) Move one of the meter probes to the third prong terminal (GND). Either the same reading or a reading of 0 volts should be obtained.
4) If the reading is OV, leave one probe on the GND terminal and move the other probe to the second voltage terminal. If a reading of OV is obtained on both voltage terminals, the outlet
is
not
properly grounded. Omit Steps 5
through 7 and proceed directly to Step 8.
5) If a reading of OV on one terminal and a reading of 90 - 130 VAC on the other terminal is not obtained, the outlet is
not
properly grounded. Omit Steps 6 and 7 and proceed directly to Step 8.
6) If a reading of OV on one terminal and a reading of 90 - 130 VAC on the other terminal
is obtained, remove both probes from the out-
let.
7) Set the meter on the “OHMWRxl” scale, place one probe on the GND terminal and the other probe on the terminal that produced a
reading of OV. A reading of less than 1 ohm
REMOVE SIX
COVER SCREWS
0
TOSHlEA
FIGURE 6-HKSU COVER REMOVAL
INSTALLATION PROCEDURES
SECTION 300-006-200
MAY 1986
04.43 Refer to Figures 7, 8 and 9 for the various locations of the following optional
rinted circuit boards.
FIGURE 7-SSTU LOCATION(S)
SSTU:
three SSTU lo-pin connectors into P9, PlO and Pll connectors on the VMAU PCB. Secure the SSTU PCB to the right side panel with the two provided screws. (For stations 22 - 25, insert the three lo-pin connectors on another SSTU into P12, P13 and P14 connectors on the VMAU PCB. Secure the
For adding stations 18 - 21, insert the
SSTU PCB to the right side panel with the two provided screws.)
SEPU: Install the SEPU into connector P15
on the VMAU PCB. Slide the SEPU’s corner
hole over the white, plastic standoff support. Secure the SEPU to the left side panel with two screws.
SMOU: Install the SMOU PCB into connec-
tor
P16
on the upper center of the VMAU
PCB (Fiaure 81.
P8
P18
FIGURE
VCOU:
pin connectors and one plastic standoff at the bottom of the VMAU PCB. Install the VCOU’s three lo-pin connectors into the VMAU’s P6, P7 and P8 connectors and the
fourth one into the left and the right side panels with two
provided screws on each side.
The VCOU PCB mounts on four lo-
9-VCOU LOCATION
P18.
Secure the VCOU to
FIGURE 8-SEPU LOCATION
04.44 Reinstall the HKSU top cover and side covers in the reverse order of the previous
instructions.

05 PERIPHERAL

EQUIPMENT INSTALLATION
05.00
05.01 Several provided by external of these are:
-5-
General
Strata V/e
peripheral modules. Four
features are
INSTALLATION PROCEDURES SECTION 300-006-200 MAY 1966
HOXB
and
HSMB
FIGURE lo--EXTERNAL MODULE WALL MOUNTING
a) HSMB: Provides Station Message Detail Recording (SMDR) features.
b) HOXB: Provides Off-Premise Extensions for single line telephones.
c) HOLB: Provides Off-Premise Line features for the system.
d) HDCB: Provides Door Phone/Monitor Sta­tions, Door Lock and Alarm features.
05.02 Although different in size, all four external modules are mounted in the same manner. Refer to Figure 10 and perform the following steps:
1) Remove the side cover(s) to expose all four
corner mounting holes.
2) Properly position the module adjacent to the HKSU with regards to future wiring needs.
3) Secure the module to the mounting surface with the four provided screws.
05.03 Refer to the installing the HSMB, respectively. Cabling
following paragraphs for HOXB, HOLB and HDCB, instructions are in Para-
graph 06.
05.10
05.11
Message Detail Recording (SMDR), install an HSMB option module.
05.12 The HSMB must be installed within 17’ from the HKSU (however, a 7’ cord is pro-
vided with the module), and connected by two B-wire modular cables. Connect one modular cable from CONT connector on the HKSU. Connect the other modular cable from J2 (PW) on the HSMB to the PW connector on the HKSU. The RS-232C printer connector is installed at J3 on the HSMB.
05.13 Remove the HSMB cover and locate
the SW8 battery strap (Figure 11) on the HSMB and connect the memory back-up bat­tery. To connect the battery, install the strap­ping plug so that it bridges the center pin with the pin labeled ON.
05.14 Select the data output speed using
the SW7 strap. The speed may be set at 300
HSMB
To equip the system with Station
Installation
Jl
(CONT) on the HSMB to the
-6-
FIGURE 11
HSMB CONNECTION STRAPS
or 1,200 BPS by installing the strapping plug so that it bridges the center pin with the termi-
nal labeled “300” or “1200”.
INSTALLATION PROCEDURES
SECTION 300-006-200
MAY 1986
also required. Refer to Paragraph 06.52 for additional information regarding the MRGU.
05.22 Remove the HOXB cover and locate
the two operational mode straps on the HOXU
PCB (mounted to the HOXB base). As shown in Figure 12, the straps are located in the center of the PCB telephone #l; SW2 controls OPX telephone #2). Set each switch to ON for dial pulse (DP) or OFF for DTMF (MF) tone output, as required. After setting the straps, reinstall the cover and secure it to the base.
(SW1
controls the operation of OPX
05.15
located on the HSMB will normally be set at position A. In position B, the HSMB will accommodate other printer types. See Table 1 to determine the RS-232C pin connections for
positions A and B.
05.16
ords of both incoming and outgoing calls or
only outgoing calls. This option is selected by
using the SW6 strap. Installing the strapping plug so that it bridges the center pin with the
terminal labeled
and outgoing calls to be recorded.
05.20 HOXB
05.21
tional telephones or Off-Premise Extensions,
install an HOXB external module. The MRGU, a ring generator and -48 VDC battery supply, is
Two other switches (SW4 and SW5)
Table 1 -RS-232C
The SMDR feature will print out rec-
OFF
Installation
To equip the system with conven-
Pin Connections
will cause both incoming
FIGURE 12
HOXB CONNECTION STRAPS
05.23 For correct cabling information, refer to Paragraph 06.
05.30 HOLB
05.31
Premise Line option, install the HOLB option module.
05.32 For correct cabling to Paragraph 06.
05.40
05.41 Door Phone/Monitor Stations or the Door Lock
and Alarm features, install the HDCB external
module. HDCB outputs B and C, respectively, may also function as door lock control and alarm signal inputs.
05.42 Remove the HDCB cover and locate
To equip the system with the Off-
HdCB Installation
To equip the system with up to three
installation
information, refer
-7-
INSTALLATION PROCEDURES SECTION 300-006-200 MAY 1986
(per Figure corner nlltnrrt I31
(SW1
13) SW2
controls output C;
and
SW1
in the upper left
SW2
controls
FIGURE 13
HlXB CONNECTION STRAPS
a) When put C connects to a door phone/monitor sta­tion. When strapped in the “ALM” position, output C will detect a closure across its two leads (a short) and provide an alarm signal to all idle stations. The signal may be turned off with an m key on an EKT.
SW1
is in the “DOOR” position, out-
station cables consecutively on the MDF. Con­nect the HKSU cable pairs to the station cable pairs.
06.12 The cables used for station wiring should be twisted pair.
06.13 The overall length of the cable run must not exceed 1,000’ (305 M) for 24 AWG
wire.
WARNING!
When installing station cable, do not run parallel to and within 3’ of an AC power line. Such power lines should be crossed
at right angles (90”) only.
06.14
station cable in a conventional 4- or 6-conduc­tor modular station connector to accommodate the modular line cord from the EKT. The stan­dard modular EKT cord length is 7’, while the maximum allowed length is -25’. Figure 15 shows the EKT wiring arrangement.
“IO”
At the station locations, terminate the
b) When SW2 is in the “DOOR” position, out­put 6 connects to a door phone/monitor sta­tion. When strapped in the “LOCK” position, output 6 will provide a dry contact closure for
indirect control of a door lock or other device. The closure will be for a period of 3 or 6 sec­onds ( rogrammable) when an EKT’s door lock (m$, key is depressed.
05.43 For correct cabling information, refer to Paragraph 06.

06 CABLE CONNECTIONS

06.00
tion
06.01
right side panel to the MDF block as shown in Figure 14.’
06. I 0
06.1 I
code sequence, terminate the individual
Main Distribution Frame Configura-
Station cables are modular from the
Station Cable Connections
Usin:
the industry-standard
color
2-pair
FIGURE 15-EKT WIRING
06.15
station blocks have employed different color codes to indicate the sequence of pairs in their blocks. However, the color code most com­monly used is shown in Figure 16. Verify the configuration of your modular blocks before connecting the station cables.
06.20
nections (HDCB/MDFB)
06.21
Various manufacturers of modular
Door Phone/Monitor Stations Con-
The door phone dontrol unit (HDCB) is
-B-
External
Music Source
_
lNSTALiATlON PROCEDURES
SECTION 300-006-200
MAY 1986
HKSU
---+ HOXB 1
External Speaker
r
Standard Phone
Standard Phone
FIGURE 14-SYSTEM DIAGRAM
connected to the HKSU, via a standard EKT modular connector, at the EKT #13 or #14
modular connector (program-controlled).
06.22 C),
door phone units (MDFBs). Outputs B and C can also be used for Door Lock and Alarm fea­tures, respectively.
06.23
(MDFB) is connected to the HDCB via a Z-wire
modular connector at the- HDCB and a split ring connector at the MDFB using screw ter­minals 1 and 2 (Ll and L2 are not used).
The HDCB has three outputs (A, B and
which are modular connectors for three
Each door Dhone/monitor station
I
I
NOTE:
When using outputs B and C for Door
Lock and Alarm features, respectively, an
appropriate modular connector must be used to interface the HDCB to the door
lock and alarm system devices.
06.24 Figure 17 shows the HDCB and MDFB wiring arrangement.
06.30 Intercom Code Assignment
06.31 Intercom codes (station numbers) are assigned permanently to specific cable appear­antes in
.’
cables are connected to the proper terminals
Strata V/ez
.
Make sure the station
_EKT
EKT
CO/PBX
*
-9-
INSTALLATION PROCEDURES SECTION 300-006-200 MAY 1986
---
TO HKSU
SINGLE PAIR
RJll WIRING
the
Strata V/e
system via 6-wire modular
line cords (no longer than 25’) that are con­nected directly to the 1-3 and 4-6 modular connectors on the right side panel (Figure 18).
The opposite end of each cord Ehen terminates
directly into a locally provided RJ-25C iack
Jre 1
I.
61
FIGURE 16
RJ-11 C/RJ-25C COLOR CODE
HKSU
EKT
- 13
.
‘HDCB connects to either EKT-13 or 14 connector on left panel of KSU. dependmg on how the syswm 15 programmed
FIGURE 17
HDCB/MDFB CONNECTION
(see
Figure 16).
NOTE:
White and blue (T3 & R3) are not used for Strata
06.40 Cc)
06.41 The CO/PBX lines are connected to
VI9
station line connectors.
Line Connection
RJ-25C
*
-or
RJ-11C
e RJ-11C
FIGURE 18-HKSU RIGHT SIDE PANEL
06.42
nected via 2-wire modular line cords to the connectors l-3, 4-6, 2, 3, 5 and 6 on the right side panel (Figure 18). The opposite end of each cord then terminates directly into a
locally provided RJ-11 C jack (Figure 16)
06.60
The CO/PBX lines may also be con-
Off-Premise
ExtensionIConven-
tional Telephone Connections (HOXB)
06.51
are necessary for off-premise extension/con­ventional. single-line telephone (OPX) connec­tions: HOXB-to-HKSU, HOXB-to-MRGU and
HOXB-to-conventional, single-line telephones. See Figure 19.
Three types of wiring arrangements
A
-lO-
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