Panasonic Strata Se Operating and maintenance instructions

ZTRONIC KEY TELEPHONE SYSTEMS ,
-..- . .. . -=. -.=
GENERAL DESCRIPTION
NOVEMBER 1987
Strata Se 6; Vi&
with CENTREX Application
*
GENERALDESCRIPTION
TSD 87-10-05 1OM ISSUE L’.: PRINTED IN U S A

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FIGURE NO.
3ltWlH 3g/ Vie
GENERALDESCRIPTION
NOVEMBER1987
STRATA Se/We
GENERALDESCRIPTION
TABLE OF CONTENTS
PARAGRAPH SUBJECT PAGE
TABLE of CONTENTS .......................................................
GENERAL ..................................................................
Summary Description .....................................................
Maintanence .............................................................
PHYSICAL DESCRIPTIONS ..................................................
Key Service Units ........................................................
Peripheral Equipment .....................................................
Electronic Telephones ....................................................
ELECTRICAL CHARACTERISTICS ................. i ...........................
General
FEATURES and.sEdviCEs’::::::::::::::::::::::::::::::::::::::::::::::: ...
...
TABLE A-Summary of Electrical Characteristics .............................
TABLE B-Standard Features ...............................................
TABLE C-Optional Features ................................................
SYSTEM OPERATION .......................................................
General
SYSTEM COkidil’&ii6i; . : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : ...
...
Key Service Unit .........................................................
Option Modules ..........................................................
Station Equipment ........................................................
Installation ...............................................................
Maintenance .............................................................
FEATURES and OPERATION
................. . . . . . . . . . . . . . . ..................................
General ................................. .
Standard Features ........................................................
System ..................................................................
Station ..................................................................
Optional Features ........................................................
ILLUSTRATION LIST
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TITLE PAGE
PERIPHERAL EQUIPMENT
STRAT,4 Se and Vie CABlN;;s.::::::::::::::~:~~.::.~::::::::::::~: ........ ........
STRATA Se CABINET (Interior) ..............................................
STRATA Vle CABINET (Interior) .............................................
EXTERNAL MODULES ......................................................
DOOR PHONE .............................................................
MRGU .....................................................................
HESB .....................................................................
SINGLE-LINE ELECTRONIC TELEPHONE ......................................
1O-button ELECTRONIC TELEPHONE .........................................
lo-button BUSY LAMP FIELD ELECTRONIC TELEPHONE ......................
20-button ELECTRONIC TELEPHONE .........................................
20-button LIQUID CRYSTAL DISPLAY ELECTRONIC TELEPHONE ..............
HMDB .....................................................................
SYSTEM DIAGRAM ........................................................
FUNCTIONAL BLOCK DIAGRAM ................................. .- ..........
STRATA Se KEY SERVICE UNIT (with PCBs) .................................
STRATA Vle KEY SERVICE UNIT (with PC&) ................................
lA2 INTERFACE FUNCTIONAL BLOCK DIAGRAM ............................
ELECTRONIC TELEPHONE DIAGRAM ........................................
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i
--

STRATA Se/‘&
GENERALDESCRIPTION
NOVEMBER 1987
01 GENERAL
Summary Description
STRATA Se and Vle are advanced elec-
tronic key telephone systems designed to func-
tion in a variety of situations. Both systems are
electrically compatible with the public telephone
network and can also be applied in a “behind
PBX” environment.
Figure 1 shows all the basic electronic key
system features, including CENTREX (CTX) capa-
bilities, and the impressive packaae of optional
features offer, among others, enhanced connec-
tivity with stand-alone voice mail products, off-
hook call announce (OCA), SMDR, remote
administration/maintenance, and 32-character
alphanumeric Liquid Crystal Display read-outs.
Wherever a CO line interface is indicated in the
following text, it can be a CO/CTX and/or PBX
line.
Very similar in design, both systems are
based on stored-program control, custom LSI cir-
cuitry, solid-state, space-division switching and
reduced station cabling, and are housed in sin-
features provided by these two s{stems.‘These gle cabinets.
MAINTENANCE
DOOR LOCK/ALARM
LEAST
COST
ROUTING
n
ELECTRONIC
DATA
SWITCHING
CENTREX
ELECTRONIC SMDR
DATA COLLECTION
FIGURE l-PERIPHERAL EQUIPMENT
-l-

STRATA Se/&
GENERALDESCRIPTION
NOVEMBER1987
System differences are restricted to the ca-
pacities of the key service units. STRATA Se has
a maximum capacity of three incoming lines and
eight stations, while STRATA Vle will accommo-
date up to six incoming lines with a maximum
of 16 stations. Bath systems have two intercom
paths as a standard feature, with two additional
paths available on the Vle as an optional fea-
ture.
Utilizing specially designed electronic tele-
phones (each of which is connected to the sys-
tem via industry-standard 2- or 3-pair cabling
and equipped with a push-button dial pad), solid-
state electronics within the key service unit
translate signals from the station dial pad into
either DTMF or rotary-dial signals, as required
by the Central Office. If the system is to be
equipped with off-hook call announce and/or
modem phones (see Station Equipment), 3-pair
cabling and modular cords must be used.
Maintenance
Maintenance - procedures are based on
quickly locating and replacing defective plug-in
units, keeping service disruption to a minimum.
In addition, remote administration/maintenance
is also an available option for both systems.
02 PHYSICAL DESCRIPTIONS
Key Service Units
Designed for wall mounting, each key ser-
vice unit is housed in a single metal and plastic
cabinet (Figure 2) with the following dimen-
sions:
STRATA Se
Height: 16.5” (420 mm)
Width: 12.0” (306 mm)
Depth: 2.67” (67 mm)
Weight: 9.25 Ibs. (4.2 kg)
STRATA We
Height: 21.25” (540 mm)
Width: 12.9” (330 mm)
Depth: 2.75” (70 mm)
Weight: 15.63 Ibs. (7.1 kg)
The STRATA Se key service unit (Figure 3)
is factory-equipped with two printed circuit
boards (PC&) and a power supply. The main
PCB (SMAU) and power supply are secured to
the cabinet base; the processor PCB (SCCU) is
attached to the SMAU with four screws, and is
FIGURE2-STRATA Se and Vie CABINETS
connected to it via four lo-pin connectors.
These PCBs’ dimensions are:
Main Board (SMAU):
12.5 x 9.5” (318 x 241 mm)
Controller (SCCU):
7.87 x 3.37” (201 x 86 mm)
The STRATA Vle key service unit (Figure 4)
is factory-equipped with two printed circuit
boards (PCBs) and a power supply. The main
PCB (VMAU) and power supply are secured to
the cabinet base; the processor PCB (VCCU) is
attached to the VMAU with four screws, and is
connected to it via four lo-pin connectors.
These PCBs’ dimensions are:
Main Board (VMAU):
9.75 x 15.37” (248 x 390 mm)
Controller (VCCU):
6.00 x 6.50” (152 x 165 mm)
Each key service unit will accommodate up
to eight optional printed circuit boards, The var-
ious dimensions and designations of these are:
Station Interface (SSTU):
4.13 x 4.60” (105 x 117 mm)
OCA Interface (SVCU):
3.37 x 1.62” (86 x 41 mm)
External Page Interface (SEPU):
4.25 x 3.00” (108 x 76 mm)
Music-on-hold Interface (SMOU):
2.25 x 1.13” (57 x 29 mm)
-2-

STRATA Se/We
GENERALDESCRIPTION
NOVEMBER1987
POWER
FIGURE 3-STRATA Se CABINET(Interior)
Remote Administration/Maintenance (SDTU):
5.06 x 2.75” (128 x 70 mm)
Se CO Interface (SCOU):
4.13 x 4.60” (105 x 117 mm)
Se Power Fail Unit (SPFU):
4.25 x 3.00” (108 x 76 mm)
Se SMDR interface (STMU):
5.06 x 3.0” (128 x 76 mm)
Vle CO Interface (VCOU):
5.75 x 10.60” (146 x 269 mm)
Peripheral Equipment
Several optional expansion modules are
available to accommodate additional STRATAe
ieait rres: Station Message Detail Recording
(HSMB), lA2 Interface (HCNB), Auxiliary Device
Interface (HIOB), Off-Premises Line (HOLB) and
Off-Premises Extension (HOXB). The two pairs
of modules are identical in external appearance
(Figure 5).
An HDCB that is needed to support up to
three door phones (Figure 6) is available, with
two per system being the maximum. An ex-
ternal ring generator/power supply (MRGU) that
can be used with the HOXB is also available (Fig-
ure 7). An external amplified speaker (HESB)
can either be used to amplify the ringing bell
of a telephone or as a paging speaker (Figure
8). When used in conjunction with the door
phone unit, the HESB provides a talkback paging
speaker capability.
-3-
c
POWER
SUPPLY
FIGURE4-STRATA Vie CABINET (Interior)
FIGUREb--EXTERNAL MODULES
Electronic Telephones
Seven different electronic telephones may
be used in either system. Inaddition, each tele-
phone, except the single-line, may be optionally
upgraded with an off-hook call announce (OCA)
printed circuit board (HVSU) and/or a modem
base.

STRATA Se/We
GENERALDESCRIPTION
NOVEMBER1987
FIGURE6--DOOR PHONE
FIGURE7-MRGU FIGUREg--SINGLE-LINEELECTRONICTELEPHONE
NOTE. tration of the basic electronic telephone.)
Only the telephone receiving the off-hook
call announcement is required to have the
HVSU PC6 installed. 3) lo-button Busy Lamp Field electronic tele-
phone (Figure 11): Available as a speaker-
phone-only model, with 16 LEDs used as a
Busy Lamp Field (with STRATA Se stations
10 - 17 only are indicated).
1) Single-line electronic telephone (Figure 9):
Equipped with three permanently dedicated
buttons (rmr;lmm and an Intercom/
CO line button, which is not labeled.
2
4
FIGURE8-HESB
1O-button electronic telephone (Figure 10):
Available in two models, as a speakerphone
or with handsfree answerback on intercom
calls only. (See Figure 20 for a detailed illus-
4) 20-button electronic telephone (Figure 12):
Also available in two models, speakerphone
or handsfree answerback.
5) 20-button Liquid Crystal Display electronic
telephone (Figure 13): Available as a speak-
erphone-only unit with a 32-character, alpha-
-4-

1 h-2
1 I
FIGURE lo-lo-button ELECTRONIC TELEPHONE
STRATA Se/'&
GENERAL DESCRIPTION
NOVEMBER 1987
FIGURE 12--20-button ELECTRONIC TELEPHONE
FIGURE 11-lo-button BUSY LAMP FIELD
ELECTRONIC TELEPHONE FIGURE 13-20-button LIQUID CRYSTAL
DISPLAY ELECTRONIC TELEPHONE
numeric Liquid Crystal Display.
l Alphanumeric Messaging
l Busy Station Messaging
l Called Station Messaging
l Calling Station Messaging
l Remote Station Messaging
l Busy Lamp Field (BLF) Indication
l CO Line Identification
l Speed Dial Memo
l Timed Reminders
All phones 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 phone comes with a brown
faceplate (with wine, black oTblue faceplates op-
tionally available).
With an integrated modem unit (Figure 14),
STRATAe can establish a simultaneous voice/

STRATA Se/We
GENERALDESCRIPTION
NOVEMBER 1987
All phones are easily wall-mounted and are
hearing-aid compatible.
03 ELECTRICAL CHARACTERISTICS
General
The key service unit operates from an inter-
nal power supply, which connects to a standard
3-wire, 117 VAC, 60-Hz, grounded wall outlet.
Loss of AC power will cause operational fail-
ure of the system. System memory, however, is
protected from loss due to power failure with a
memory backup battery. Full system reserve
power is available as an option.
NOTE.
The memory backup battery is designed to
maintain full memory protection for approx-
imately one year with no external power
source applied.
The electrical characteristics of the system
are summarized in Table A.
04 FEATURES and SERVICES
The features and services of these elec-
tronic key telephone systems are summarized in
Tables 6 and C, which list the standard and op-
tional features, respectively.
FIGURE 14-I-IMDB
data switching network
system. The integrated
installed in blace of the
; for every station in the
modem unit (HMDB) is
standard electronic tele-
phone base, and includes an RS232 connector
for a personal computer or other data device.
Each integrated modem unit will reduce the sta-
tion capacity by one.
System software assignments permit a
wide variation to the feature buttons on all tele-
phones.
Each electronic telephone features a modu-
lar handset cord, a modular headset/audio-type
device (headset I/O switch) connector (except
the single-line) and is connected to the system
via a 2-pair modular line cord. If a modem, off-
hook call announce, or HESB as a Loud Ringing
Bell is to be used, 3-pair cabling must be used.
-6-

STRATA Se/Vie
GENERALDESCRIPTION
NOVEMBER 1987
TABLE A
SUMMARY OF ELECTRICAL CHARACTERISTICS
Loop Limits
Station
1,000’ (305 M), 24 AWG cable
Door Phone Control Unit (HDCB) 1,000’ (305 M), 24 AWG cable
Door Phone/Monitor Station 1,000’ (305 M), 24 AWG cable
HOXB 500 ohms (including telephone), 48 VDC
HOLB, HSMB, HCNB, 17’ (5.2 M), 24 AWG cable
HIOB-to-KSU 1,000’ (305 M), 24 AWG cable
HIOB-to-peripheral 17’ (5.2 M), 24 AWG cable
Ringing Tones
CO Line (idle station) 600/800 Hz, modulated by 16 Hz, 1 second
on-3 seconds off
CO Line (busy station) 2,400 Hz, modulated by 10 Hz, 1 second
on-3 seconds off
intercom Line 600 Hz, 1 second on-3 seconds off
Door Phone A 81 C Tones
870 Hz, 1 second/710 Hz, 25i-seconds (5
rings)
Door Phone B Tone 870 Hz, X-second/710 Hz, 2Sseconds (5
rings)
Busy Override Tone 2,400 Hz, 1 second on-3 seconds off
Dial Tone (Intercom) 400 Hz, continuous
Ringback Tone 400 Hz, 1 second on-3 seconds off
Busy Tone 400 Hz, X-second on-X-second off
/
Do Not Disturb Tone
400 Hz, ‘I&second on--‘/s-second off
Voice Page Warning Tone
600 Hz, 1 second on only (via electronic tele-
phone speaker)
Off-hook Call Announce Warning Tone
600 Hz, 1 second on only (via electronic tele-
phone speaker)
Executive Override Warning Tone
Hold Recall Tone
Dialing
Primate Power
HPSU 6120””
HP,SU 7120*
Environmental Specifications
600 Hz, N-second on only (via handset)
2,400 Hz, modulated by 10 Hz, 1 second
on-l second off
Push-button; system-generated DTMF or dial
pulse
117 VAC, 60 Hz
40 watts
100 watts
e Operating Temperature
32 - 122” F (0 - 50” C)
Operating Humidity 20 - 80% relative humidity without condensa-
tion
“STRA TA VI, only
““STRA TA Se only
-7-

0 Automatic Release from Hold
l CO Line Call Pickup Groups**
l Conference (Multi-CO Line)*
l Conference (Multi-Station)*
l CTX/PBX Compatible
l CTX Ringing Repeat
l Delayed Ringing
l Distinctive Ringing
l DTMF and Dial Pulse CO Line Compatible
’ l DTMF Signal Time (160/80 ms)
0 External Page Interface
l Flexible intercom Numbering
l Flexible Key Assignment
l Flexible Line Ringing Assignment
l Forced Account Code
l Group Paging
l Least Cost Routing**
l Transfer Privacy
l Trunk-to-trunk Connection
l Voice or Tone Signalling
l Wall Mountable Key Service Unit
*Non-amplified
STATION
l Automatic Callback (Intercom)
l Automatic Dialing Buttons
l Automatic Dialing-Station
l Automatic Off-Hook Selection
l Busy Override
l Call Forward
l Call Pickup
l Call Transfer with Camp-on
l CO/CTX/PBX Feature Buttons
l Directed Call Pickup
e
l Direct Station Selection (DSS) Buttons
l Distinctive LED Indications
0 Incoming Call
0 In-use
l On-hold
l Do Not Disturb
l Do Not Disturb Override
l DP/MF Mode Change (TONE Button)
0 Exclusive Hold
l Executive Override (Break-In)
l Flash Button (CTX/PBX Transfer or CO Dial
Tone Recall)
l Handsfree Answerback
““S TRA TA V/e only
-8-
STRATA Se/We
GENERALDESCRIPTION
NOVEMBER 1987
TABLE B
STANDARD FEATURES
l All Call Voice Page
l Alternate Point Answer
l Automatic Dialing-System
l Automatic Hold Recall
SYSTEM
l Live System Programming
l Message Waiting
l Multiple Simultaneous Handsfree Intercom
Paths
l Music-On-Hold Interface
l Night Ringing Answer Code
l Night Ringing Over External Page**
l Night Transfer
l Non-blocking Dialing
l Outgoing Call Restriction
@ Privacy/‘Non-Privacy
l Relay Service**
l Station Hunting
l Tenant Service
l Toll Restriction (6-digit)
l Toll Restriction Override by System Auto-
matic Dialing
l Liquid Crystal Display Features
l Alphanumeric Messaging
- Busy Station Messaging
- Called Station Messaging
- Calling Station Messaging
- Remote Station Messaging
l Busy Lamp Field (BLF) Indication
l CO Line Identification
l Speed Dial Memo
l Timed Reminders
l Microphone Cut-off Button
l Modular Handset and Line Cords
l On-Hook Dialing
l Privacy Button
l Privacy Override
l Private CO Lines
l Push-Button Dialing
l Remote Retrieval of $Held Calls
l Repeat Last Number Dialed
l Ringing Line Preference
l Saved Number Redial
l Station Security (MC0 Button)
l Toll Restriction Override Code
l Trunk Queuing

STRATA Se/We
GENERALDESCRIPTION
NOVEMBER1987
OPT11
l lA2 Key System Interface (HCNB)
0 Amplified Conference
l Auxiliary Device Interface (HIOB)
l Background Music with Station Control
l Door Phone/Monitor Station
l Alarm Button
l Door Lock Button
l Electronic Telephones
* Facepiates (blue, black or wine)
0 Single-line
l 1O-button Handsfree Answerback
Speakerphone
l lo-button Busy Lamp Field
l 20-button Handsfree Answerback
Speakerphone
l 20-button Liquid Crystal Display
TABLE C
ONAL FEATURES
l External Amplified Speaker (HESB)
l Loud Ringing Bell
l Amplified Speaker
or
or
l Talkback Amplified Speaker
l External Page Amplifier
l Integrated Modem (HMDB)
l Music-On-Hold Source
l Off-Hook Call Announce
0 Off-Premises Extension
l Ring Generator/Power Supply (MRGU)
0 Off-Premises Line
l Remote Administration/Maintenance
l Station Message Detail Recording (SMDR)
0 System Battery Backup
05 SYSTEM OPERATION
General
A system (Figure 15) consists of a key ser-
vice unit (Vie HKSU is shown), power supply, up
to 16 stations*, HOLB, HSMB and HOXB op-
tional modules, and a maximum of six door
phones, The door phone control unit(s) (HDCB)
occupy one or two station location(s). All connec-
rinrs ber\/lleen the key service unit and the tele-
phones are made via a customer-provided main
distribution frame. Using modular line cord(s),
the CO lines are then connected between the
-left side panel and the locally provided RJ-25C
(up to two each) or RJ-11C (up to six each)
jacks. An external tuner (or equivalent) is re-
quired if the Music-On-Hold/Background Music
feature is utilized.
*Some optional features reduce maximum
station capacities (see Optional Features).
A functional block diagram of both key ser-
vice units is shown in Figure 16. It consists of
CO and station interfaces on the main PCB, in-
cluding a solid-state, space-division matrix and
the central control equipment (SCCU/VCCU). Op-
tional interfacing equipment includes additional
station connections (SSTU), off-hook call an-
nounce (SVCU), remote maintenance (SDTU), off-
premises line (HOLB), station message detail
record (HSMB/STMU*), lA2 interface (HCNB),
auxiliary device interface (HIOB), door phone con-
troller (HDCB) and door phone/monitor station,
external page amplifier (SEPU), internal music-
on-hold source (SMOU), and power failure
(SPFU”) PCBs are a!so shov.n.
“STRA TA Se only
The system is entirely under the control of
a single-chip microprocessor, located (along
with the system program and data memories) on
the VCCU/SCCU PCB (STRATA Vie/Se, respec-
tively), which mounts on the VMAU/SMAU, re-
spectively.
Connections between the station voice lines
and the CO lines are via the switching matrix
provided on the VMAULSMAU PCB (STRATA
We/Se, respectively). The VMAUSMAU also
provides a similar matrix for intercom connec-
tion, background music, paging connections and
the distribution of various system tones (dial,
busy, etc.).
-9-

STRATA Se/We
GENERALDESCRIPTION
NOVEMBER1987
Key Ser
I Batten/ I
External Speaker
(HESB)
External
Music
Source
Standard Phone
ice Unit
Standard Phone
Door Phone
20-button LCD
Electronic
Telephone
-CO/PBX Lines ___t
f IGURE 15-SYSTEM DIAGRAM
06 SYSTEM CONFIGURATION
/ Key
Service Unit
Complete with all available options, both
key service units utilize up to eight printed cir-
cuit boards internally (as shown in Figures 17
The STRATA Se key service unit arrange-
ment illustrated in Figure 17 shows the loca-
tions of the various printed circuit boards and
optional equipment.
The STRATA We key service unit arrange-
ment illustrated in Figure 18 shows the loca-
tions of the various printed circuit boards and
optional equipment.
NOTE.
The optional modules are used only when
required. All internal boards connect to the
main PC8 (in some cases, they also attach
to the key service unit’s side panel).
-1o-
and 18) and various option modules. The names
and functions are as follows:
SMAU/VMAU: The main printed circuit board
of the key service unit consists of the follow-
ing three functions:
a) Station Interface: An interface between
the key service unit and up to four stations
(STRATA Se) or up to eight stations
(STRATA Vle), which includes the solid-
state, space-division matrix used for voice
connections between the stations and the
CO/PBX lines. Two-pair wiring is required
for each station; one pair carrying voice
and the other pair carrying control data to

STRATA Se/We
GENERALDESCRIPTION
NOVEMBER1987
STRATA
Se
1O-button
CI^--_^- :^ SSTU tt14 - 17
20.bunon LCD
Electronic Telephone i Station
MOH
Door Phone/
Monitor Station
STRATA
SSTU #2 t122 - 25
I I
-6
I I
To CO/PBX
(6 Lines)
I
‘- 1O-buttm
Electronic
Telephone
20-button LCD
Electronic Telephone
FIGURE 16-FUNCTIONAL BLOCK DIAGRAM
-ll-

STRATA Se/We
GENERALDESCRIPTION
NOVEMBER1987
STMU SDTU SEPU
/
.
FIGURE 17
STRATA Se KEY SERVICEUNIT (with PC&)
and from the station:
b) CO Interface: An interface between the
key service unit and the public telephone
network or PBX for up to two lines
(STRATA Se) or up to three lines (STRATA
Vie). Ring detection, hold and dial outpuls-
ing for these lines are performed by this
board. Depending upon local CO require-
ments, each incoming line can be sepa-
rately connected and programmed to pro-
vide DTMF or rotary-dial outpulsing.
c) Tone: Performs a number of miscellane-
ous system functions:
l Generates system tones.
, l Provides the switching matrix for the de-
livery of tones for both paging and inter-
com connections.
SCCUNCCU: All system control functions are
performed by the single-chip microprocessor
on this printed circuit board. The system pro-
gram stored in ROM, RAM for system opera-
tions, and the RAM for system data storage
are also located on this circuit board. A bat-
tery on this board protects system memory
should a power failure occur.
SCOUNCOU: An optional interface between
the SMAWVMAU and one/three additional
CO line(s). Depending upon local CO require-
ments, the SCOU/VCOU is programmed to
-12-
FIGURE18
STRATA Vie KEY SERVICEUNIT (with PCBs)
provide DTMF or rotary-dial outpulsing. The
SCOU serves one CO line; the VCOU serves
up to three CO lines, and both serve up to
three off-premises lines.
SSTU: An optional interface between the key
service unit and stations 18 - 25 (stations 14
- 17 on STRATA Se). Each SSTU PCB serves
up to four stations. Two-pair wiring is re-
quired for each station; one pair carrying vo-
ice and the other pair carrying control data to
and from the station.
SMOU: An optronal music-on-hold source that
provides electronic synthesized music. A
choice of two musical tunes are available, se-
lected via a switch on this board. The SMOU
is connected to the SMAWVMAU via an
8-pin connector.
SEPU: An optional 3-watt amplifier for external
paging, using a customer-supplied 8-ohm
speaker (connected to the SMAWVMAU via
a 1O-pin connector).
SVCU: The Off-Hook Call Announce interface
that mounts on the main printed circuit board
of the key service unit to provide OCA access.
One SVCU is required for every eight stations
requiring OCA. (Adds two intercom lines if
STRATA We.)

/.
SDTU: Provides Remote Administration/Main-
tenance access via its built-in 300/l 200
baud modem. One SDTU per system is re-
quired for Remote Administration/Mainten-
ance.
STMU: Required for connection to an HSMB to
provide SMDR for a STRATA Se key service
unit.
HPSU 6120/7120: Each system’s required
voltages are provided by one of these factory-
installed power supplies. The HPSU connects
to a standard 3-wire, 117 VAC, 60-Hz,
grounded wall outlet, with a permissible AC
input voltage range of 90 - 130 VAC.
HPFB: An opticnal batter!/ backuo unit that is
available for the HPSU 6120 (STRATA Se).
With the optional battery backup assembly in-
stalled, all functions of the system will con-
tinue to operate for approximately two to
three hours after a loss of normal electrical
power. Calls will not be disconnected during
switch-over to or from battery power.
HPBU-7: An optional battery backup unit for
the HPSU 7120 (STRATA Vie). It is a printed
circuit board that mounts inside the power
supply housing and is connected to the recom-
mended battery pack (which is customer-
supplied, consisting of two 12 VDC, main-
tenance-free, automobile-type batteries-80
amp/hour maximum rating). With the op-
tional battery backup assembly installed, all
functions of the system will continue to oper-
ate for several hours (the actual time period
is in direct ratio to the type and size of bat-
teries seiected) after a ioss of normai electri-
cal power. Calls will not be disconnected dur-
ing switch-over to or from battery power. The
HPBU-7 also provides a charge to the battery
s pack during normal operations.
Option Modules
HOLB: An off-premises line module that allows
the bridging of a CO line, which appears in
the system with a conventional telephone; su-
pervision is provided. Each HOLB provides
three circuits, all three of which may be di-
rected to an answering machine (or similar de-
vice) attached to the HUNT connector.
HDCB: .An optional module (two per system
maximum) connected to the key service unit
at station 13 and/or 14 (station 11 and/or 12
-13-
STRATA s&de
GENERAL DESCRIPTION
NOVEMBER 1987
on STRATA Se) that allows up to three (each
HDCB) door phone/monitor stations (MDFBs)
to ring pre-selected stations. The HDCB has
three outputs (A, 6, C), which are modular con-
nectors for the three MDFBs. (Outputs B and
C on either/both HDCB(s) may be used for
the Door Lock and Alarm features, respec-
tively.)
HOXB: An external module .that serves as an
interface between the key service unit and
conventional, standard telephones or off-
premises extension (OPX) lines. Each HOXB
PCB 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 re-
quired for use with the HOXB.
HSMB: Serves as an interface between the key
service unit and a printer or storage device
used for the SMDR feature. The module is
equipped with an RS-232C interface and con-
nects to the left side panel via one supplied
8-wire modular connectors (one HSMB per
system). (Se also requires an STMU PCB.)
HCNB: Provides an interface between a lA2
key system and the CO lines appearing
therein to a STRATAe system. One HCNB is
required for every three lines where dual ap-
pearances are desired. Also, A-lead control,
lamp signal detection and dial outpulsing are
performed by this module (see Figure 19).
Strata,
HKSU
lA2
Kzv I
Servtce’
Unit
T&R CO/CTX/PB:
Lines
HCNB 9
I A, Al
OPL
OPL [- I/O
L, LG
FIGURE 19
lA2 INTERFACE FUNCTIONAL BLOCK DIAGRAM

STRATA Se/We
GENERALDESCRIPTION
NOVEMBER1987
HIOB: Provides one circuit to interface with ex-
ternal devices such as a voice mail port, an-
swering machine, standard telephone, mo-
dem, etc. Up to eight HlOBs (four on a
STRATA Se) may be installed on a system.
Each HI06 is connected to a proprietary sta-
tion port, reducing station capacity accord-
ingly.
Station Equipment
The principal components of the electronic
telephone are: handset, dial pad, speaker, micro-
phone, two volume controls, four fixed feature
buttons, an m button, and 9 or 19 flexible CO/
feature buttons. LED indicators are provided for
all buttons except for m and m. See Fig-
ures 10 and 12.
The single-line electronic telephone (Figure
9) is equipped with three permanently dedicated
buttons (mm=) and an Intercom/CO
line button, which is not labeled.
The lo-button Busy Lamp Field electronic
telephone (Figure 11) with speakerphone pro-
vides 10 buttons that can be assigned to control
intercom, CO line and feature operation, plus an
LED indication of which stations are in use.
A 20-button Liquid Crystal Display elec-
tronic telephone (Figure 13) with speakerphone
may be located at any or all of the stations. The
32-character alphanumeric display provides
many capabilities- an accurate clock/calendar
in its idle state; and elapsed time, dialed
number, calling station and CO line are just a
few of the features available. For additional ex-
planations of the features listed below, see Liq-
uid Crystal Display.
0 Al’phanumeric Messaging
l Busy Station Messaging
e
l Called Station Messaging
l Calling Station Messaging
l Remote Station Messaging
l Busy Lamp Field (BLF) Indication
l CO Line Identification
l Speed Dial Memo
l Timed Reminders
All phones are easily converted for wall
mounting, feature modular handset cords, are
equipped with a second modular connector for
headset connection (except the single-line), and
are connected to the system via modular line
cords.
-14-
An optional replacement base for the elec-
tronic telephone provides a built-in 300/1200
baud modem with automatic answering capabil-
ities. It is a Bell Standard, full duplex modem.
The optional door phone/monitor station
(Figure 6) allows distinctive ringing to pre-
selected station(s). When a station dials an indi-
vidual door phone, a circuit providing monitoring
capabilities on the intercom, is established. This
option requires station 13 and/or 14 (station 1 1
and/or 12 in STRATA Se) to be replaced by a
door phone control unit (HDCB) and up to six
door phone units (MDFBs)-three each HDCB.
One door phone/monitor (only station 13C for
Vle; 11 C for Se) can be replaced by an alarm
control circuit on station 13 HDCB and one by
a door lock control circuit on all HDCBs.
An external amplified speaker (HESB) may
be connected in any one of the following three
applications:
l Loud Ringing Bell: Allows you to amplify
the tone of a paging/ringing signal without
using other manufacturers’ equipment. The
signal can be amplified on all 6000-series
phones, except the single-line electronic tele-
phone. Three-pair wiring is required for this
application.
l Amplified Speaker: Allows you to use the
HESB as a paging speaker, reducing the
need for other manufacturers’ paging equip:
ment.
l Talkback Amplified Speaker: Allows you to
provide a talkback speaker in areas where a
telephone is not needed. For talkback opera-
tion, connect the HESB to the door phone
unit (MDFB), which is used as a microphone;
however, the push-button is inoperative.
The HESB is a 6” 3-watt speaker with an
amplifier that is built into an attractive speaker
box (Figure 8). A +12 VDC power supply
(HACU-120), which connects to the back panel
via an 8’ cord, is included with each HESB.
Installation
The key service unit is configured for wall
mounting only.
All external devices are connected to the
key service unit via connectors and terminals on
the side panels, as follows:
a) CO lines are connected to the key service
unit right side panel via separate (one for

each line) single-pair modular cords or a
single 3-pair modular cord (STRATA Se); or
two 3-pair or six single-pair modular cords
(STRATA Vie).
b) The station connection points are extended
from the key service unit to the main distri-
bution frame using 3-pair modular line cords.
The individual telephones are connected to
the main distribution frame using 3-pair sta-
tion cables.
c) A screw-terminal barrier strip is mounted on
the left-hand side of the key service unit to
provide attachment points for the music-on-
hold source input, relay service (STRATA Vle
only) and external page output.
d) Two (only one for STRATA Se) modular con-
nectors are also provided on the left side
panel for two (only one for STRATA Se) op-
tional off-premises line modules (HOLBs).
The power supply is mounted inside the key
service unit. In STRATA Se a connector is pro-
vided on the left side panel for optional system
reserve power (HPFB). In STRATA Vle an op-
tional battery backup printed circuit board is
available for the power supply.
Maintenance
Faults in the system are repaired by replac-
ing any faulty component (printed circuit board,
subassembly, telephone, etc.) and returning it to
the manufacturer for repair.
In addition, remote administration/
maintena-rice allows the system to interface via
an SDTU (built-in modem) with a remote loca-
tion. This reduces the cost of routine data base
changes by eiiminaring the need of a technician
to be ?n-site for each software change.
07 FEATURES and OPERATION
s General
This section contains brief descriptions of
the features listed earlier in Tables B and C and
some associated operating instructions. For
more detailed instructions, see the User Guide
or Quick Reference Guide.
Standard Features
System
All C&l Voice Page: Dialing a 2-digit access
code permits a station user to page via all idle
STRATA Se/We
GENERAL DESCRIPTION
NOVEMBER 1987
telephone speakers simultaneously. The
system can also be programmed to include
the External Page feature in an All Call Page.
Alternate Point Answer: CO or intercom calls
can be answered from any station.
Automatic Dialing-System: Allows up to 4C
numbers to be stored in the system memory.
After selecting an outgoing line, any station
user can cause one of the.‘stored numbers to
be outpulsed by dialing the proper access
code.
Automatic Hold Recall: A CO line placed on
hold by any station will recall that station af-
ter a programmable period of time. A different
time period can be selected fo: each station.
Automatic Release from Hold: The system au-
tomatically releases held CO lines if a discon-
nect signal is r,eceived from the Central Of-
fice.
CO Line Pickup Groups: In STRATA Vle only,
using a dial code or the m button, allows
CO line pickup from another station. Two Call
Pickup Groups can be defined in program-
ming and buttons (m and m) can be as-
signed to phones for each group.
Conference (Multi-CO Line): The system will
conference two CO lines and up to three sta-
tions. See Amplified Conference.
Conference(Multi-Station): Non-amplifiedcon-
ferencing is permitted to a maximum of four
stations and one CO line. See Amplified Con-
ference.
CTX/PBX Compatible: System features, such
as Toll Restriction and Automatic Dialing, are
compatible with CTX/PBX operation.
CTX Ringing Repeat: To facilitate the use of
special calling/callback features on CO/CTX/
PBX lines, the system will ring the called sta-
tion with the same on/off cadence that is re-
ceived from the outside line.
Delayed Ring,ing: A 12- and/or 24-second ring
delay may be programmed for each station to
permit alternate answering. The delayed ring
is provided for each line selectively by each
station.
Distinctive Ringing: CO and intercom calls are
distinguished by different ringing tones.
-15-

STRATA Se/‘&
GENERAL DESCRIPTION
NOVEMBER 1987
DTMF and Dial Pulse CO Line Compatible:
The system will interface with either DTMF
or rotary-dial pulse CO lines on a line-by-line
basis as determined by system programming.
External Page Interface: A 600-ohm connec-
tion point is provided for a customer-provided
external amplifier/speaker. An SEPU PCB
(see External Amplified Speaker and External
Page Amplifier) is mounted in the key service
unit when a customer-provided external
speaker only is used; the output impedance
is 8 ohms. This page circuit can be accessed
as part of the All Call Voice Page feature.
F!exible Intercom Numbering: A station inter-
com number can be flexibly programmed up
to any 4-digit number. It is, therefore, possible
to match a station’s intercom and CTX line ex-
tension number.
Flexible Key Assignment: Allows each phone
to be programmed for the optimum use of its
CO or feature buttons.
Flexible Line Ringing Assignment: A program-
mable ring or no ring option is provided for
each line selectively by each station.
Forced Account Code: Requires selected sta-
tion(s) to dial an account code prior to dialing
a number. The account code is recorded with
call details on the SMDR report.
Group Paging: Special 2-digit access codes
(81, 82, 83 or 84) permit voice paging to one
of four zones. Zone assignment is via $oft-
ware and is totally flexible. Paging is via the
speakers of idle telephones.
Least Cost Routing: Enables the customer to
decide over which trunks outgoing voice and
data calls will be routed. This can greatly re-
duce the cost of long distance calling. Four
classes of LCR can be programmed to give
priority routes to .the users who need them.
(STRATA Vle only.)
Live System Programming: Live system pro-
gramming is accomplished without service in-
terruption to other station users by placing
the system in the special programming mode
and inputting data via station 17 (station 13
in STRATA Se). Station 17(13) is the only sta-
tion that is “down” during programming.
-16-
Message Waiting: Any station (including the
designated Message Center) can set a Mes-
sage Waiting LED at any station with the Mes-
sage Waiting LED of that station. The called
station cancels the LED by lifting the handset
and depressing the m button (not avail-
able on single-line electronic telephone). See
Flash Button.
MF Signal Time (160/80 ms): The standard
MF dial signal time is 80 milliseconds, but it
may be extended to 160 milliseconds, if re-
quired by the Central Office or to activate re-
mote equipment.
Multiple Simultaneous Handsfree Intercom
Paths: Two intercom paths are standard in
the systems. Both intercom lines are able to
carry handsfree conversations simultane-
ously. (STRATA Vle may be increased to four
paths optionally.)
Music-On-Hold Interface: An interface is in-
cluded for a customer-provided music source.
CO lines placed on hold will be connected to
this source. In addition, this music may also
be broadcast from electronic telephone speak-
ers and external page when the background
music programming options are selected.
Night Ringing Answer Code: A night ringing
call may be answered from any station via a.
dial code.
Night Ringing Over External Page: As a prd-
grammable option, while the night mode is ac-
tive, a system-generated ring tone will be
transmitted via the external speaker when-
ever any line rings (STRATA We only).
Night Transfer: On a programmable optional ba-
sis, the system can function with two or three
ringing patterns. If three patterns are se-
lected, they are designated DAY, DAY 2, and
NIGHT. If the two-pattern mode is selected,
DAY and NIGHT designations are used. In
both cases, the ringing modes are selected
with the q button on station 10.
Non-blocking Dialing: Dialing is permitted on
intercom and all CO lines simultaneously.
Outgoing Call Restriction: Any station can be
selectively restricted from originating calls on
any or all CO lines. However, the station may
still receive calls on the restricted line(s).

INSTALLATIONINSTRUCTIONS
SECTION500-036-200
JANUARY 1988
Stratae HKSU
----
- Normal Talk Path
- - OCA Talk Path
EKT B
I
slatm Card B
--_- $+---++--. i/o1ce Da,r ------------____’
8 OCA Pall
I
I
I
I
I Stamn Card A
EKT A
I
Data Par
I t CONTROL 1
V31ce Patr
HANDSET
----.----_____ (Talk Path 1)
I---- I
----1 IT1
4 i I ‘Y RiCE’VEA ’ I
FIGURE25-OFF-HOOK CALL ANNOUNCEFUNCTIONALBLOCK DIAGRAM
0 If in automatic mode*: Station A receives
a single tone burst (an OCA speech path
exists between stations A and C via the
EKT’s speaker and microphone-verify).
l If in dial 9 mode: Station C receives busy
tone, then dials 8 to establish an OCA
speech path between stations A and C-
verify.
*Pxxpm 5XX LELl 12 determines the
mode, of the originating station.
09.10 HCNB
06.11 General: Provides 1A2 Interface for
the system.Each HCNB supports three CO/lA2
interface line circuits. The HCNB provides line
supervision between the HKSU and the lA2
equipment. The maximum distance between
these units is determined. by the lA2 Interface
line circuit specifications. To install, follow the
procedures listed below:
1) Connect tip/ring, lamp and A lead connec-
tions per Figure 26.
2) Using the provided 4-pair modular cord, con-
nect the HKSU to the HCNB.
3) Connect the MDF to the modular blocks with
24 AWG wire.
4) Connect the supplied field ground wire.
NOTE.
Connecting the jumper wires WI and WS
is not necessary.
09.12 Programming: Verify the correct pro-
* - gammrncj it3 lA2 intetieca via Program 0#7.
09.13 To Test lA2 Interface: Conduct the
following test on each incoming line:
1) Depress each m line key on an EKT.
l Verify that the corresponding lamp lights
on a 1A2 telephone.
2) Make a test call from the EKT.
l Verify that the call may be monitored at
the lA2 telephone.
3) Repeat steps 1 and 2 at the 1A2 telephone.
4) Place each CO line (one at a time) on hold
at an EKT.
l Verify that the CO appearance on the
lA2 telephone is on hold.

INSTALLATIONINSTRUCTIONS
SECTION500-036-200
JANUARY 1988
5) Repeat step 4 at the lA2 telephone, and all
appropriate telephones in both systems.
NO TE.
Exclusive hold is a function of each system
(i.e., if a station places a line on exclusive
hold, but the IA2 system does not provide
this feature, the line may be picked up by
any 1A2 telephone (and vice versa).
09.20 HI06
09.21 General: Prqvides a circuit interface
with the system for external devices such as a
voice mail machine, answering machine, stan-
dard telephone*, modem, etc. (see Figure 27).
The HIOB circuit includes a DTMF generator,
DTMF receiver, ring generator, answer detector
and voice circuit (DTMF signal time from HIOB
to device is fixed at 160 ms). Table A indicates
available station lines and system capacities.
*Least Cost Routing and Toll Restriction
apply to standard telephones.
I
TABLE A-HI06 CAPACITY I
1 SYSTEM / Q’TY I STATIONS 1
I SP
I
4 I 14-17 I
I Vie
j 8 1 18-25 I
IKSU
SIral.%
EKT
b
Hi06 T
MW
SET - VOICE CIRCUIT
\,- DATb DECODER
vote Pav DTMF GENERATOR 1.Pa,r
DATA ENCODER 3caI IMAX,
656 2 Feer + DTMF RECEIVER
‘RING GENERATOR
- ANSWER DETECTOR 1
‘70” lRMSl
VOICE
MAIL
DEVICE
I I
FIGURE27-HIOB FUNCTIONALBLOCKDIAGRAM
co1
HKSU IS, or Vie,
I-PAIR
.MODULAR CORD
(COMES WITH HCNE)
A
CO6 IA2
LINE
CARD
I HCNE (1,
I
3-PAIR MOOULAA CORD g;‘“”
T & R TO CO1 ,“lg, CIRCUIT 2 ICHZ DPL 2c
WA LEADS 10 CHI/HCNB 2 CIRCUIT 3 CH3 DpL ,
FGF
HCNB 121.
T 5 R TO CO5 ‘“I,,
WA LEADS 70 CHZ/HCNB 2
T & R TO CO6 +&) I TO FIELD GROUND POINT
WA LEADS TO CH3,HCNB 2
*CIRCUIT (4 - 6) STRATA Vlg ONLY
FIGURE26-HCNB CONNECTIONS
-1s