Toa VS-900MF User manual

INSTALLATION MANUAL
VOICE SECURITY SYSTEM VS-900
Please follow the instructions in this manual to obtain the optimum results from this unit.
We also recommend that you keep this manual handy for future reference.
Be sure to leave system installations, adjustments, and data settings to the dealer from whom
you have purchased.

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TABLE OF CONTENTS
1. SAFETY PRECAUTIONS ................................................................................... 4
2. FCC REQUIREMENTS ....................................................................................... 6
3. INDUSTRIAL CANADA REQUIREMENTS .................................................. 7
4. GENERAL DESCRIPTION ................................................................................ 8
5. FEATURES ............................................................................................................. 8
6. INSTALLATION PRECAUTIONS ..................................................................... 8
7. SYSTEM CONFIGURATION AND EQUIPMENT FUNCTIONS
7.1. System Configuration ........................................................................................... 9
7.2. Equipment Functions .......................................................................................... 10
8. VS-900MF MAIN FRAME NOMENCLATURE AND FUNCTIONS ....... 12
9. INSTALLATION AND CONNECTION PROCEDURES ............................ 13
10. EQUIPMENT INSTALLATION
10.1. VS-900MF Main Frame
10.1.1. Rack mounting ...................................................................................... 14
10.1.2. Wall mounting ....................................................................................... 15
10.2. PU-200 Power Transformer unit
10.2.1. Rack mounting ...................................................................................... 16
10.2.2. Wall mounting ....................................................................................... 17
10.3. RS-150, RS-160, RS-170, RS-180 and RS-190 Substations ........................... 18
10.4. RS-191 Option Handset (Indoor type)
10.4.1. Wall mounting ....................................................................................... 19
10.4.2. RS-190 and RS-191 connection ........................................................... 19
10.5. Master Station
10.5.1. Desk-top mounting ................................................................................ 20
10.5.2. Wall mounting ....................................................................................... 20
10.6. VS-900SC Site Connector
10.6.1. Rack mounting ...................................................................................... 21
10.6.2. Mounting to the VS-900MF ................................................................... 21
10.6.3. Wall mounting ....................................................................................... 21
11. VS-900MF CARD INSTALLATION
11.1. Backup Battery Installation ............................................................................... 22
11.2. Card Installation ................................................................................................ 23
12. WIRING
12.1. Wiring from the Station or Outside Line ............................................................ 24
12.2. Supplied Connector Connection ....................................................................... 25
12.3. VS-900MS Master Station Interface Card Connection
Installation Precaution ....................................................................................... 26
12.3.1. Master Station and VS-900MS connection, MS addressing.................. 27
12.3.2. External recording device and VS-900MS connection ......................... 29

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12.4. MS-900 Master Station Connection and Adjustment
12.4.1. External speaker connection ................................................................. 30
12.4.2. Internal speaker volume and microphone sensitivity adjustment .......... 30
12.5. VS-900AL Telephone Interface Card Connection
12.5.1. Telephone and VS-900AL connection .................................................. 31
12.5.2. External recording device and VS-900AL connection ........................... 33
12.6. VS-900RS Substation Interface Card Connection
12.6.1. Substation and VS-900RS connection .................................................. 34
12.6.2. External amplifier and VS-900RS connection ....................................... 35
12.7. VS-910RS Substation Interface Card Connection ............................................ 36
12.8. VS-900CO Outside Line Interface Card Connection
12.8.1. Outside line and VS-900CO connection ............................................... 37
12.8.2. External recording device and VS-900CO connection .......................... 38
12.9. VS-900AF Audio Function Card Connection
12.9.1. Amplifier and VS-900AF connection ..................................................... 39
12.9.2. External sound source and VS-900AF connection ............................... 40
12.10. VS-900TI Tie-Line Interface Card Exchange Interconnection .......................... 41
12.11. VS-900SC Site Connector Connection
12.11.1. Exchange connection example ........................................................... 44
12.11.2. Power supply connection .................................................................... 44
12.11.3. Connection to the VS-900TI ................................................................ 45
12.11.4. Connecting the VS-900SC to another VS-900SC unit ........................ 46
12.11.5. Connection to an optical/audio signal converter ................................. 46
12.12. VS-900MF Main Frame and PU-200 Power Transformer Connection ............. 47
13. MAIN FRAME AND PC CONNECTION
13.1. Programming PC Connection
13.1.1. Direct connection by means of RS-232C .............................................. 48
13.1.2. Connection via modem ......................................................................... 49
13.2. Operation Log PC Connection
13.2.1. Direct connection by means of RS-232C .............................................. 50
13.2.2. Connection via modem ......................................................................... 51
13.3. System Programming ....................................................................................... 51
14. SPEECH AND FUNCTION TESTS
14.1. Speech Test ...................................................................................................... 52
14.2. Function Test .................................................................................................... 52
15. SPECIFICATIONS
VS-900MF Main Frame .............................................................................................. 53
VS-900MS Master Station Interface Card .................................................................. 53
VS-900AL Telephone Interface Card ......................................................................... 54
VS-900RS Substation Interface Card ........................................................................ 54
VS-910RS Substation Interface Card ........................................................................ 55
VS-900CO Outside Line Interface Card ..................................................................... 55
VS-900AF Audio Function Card ................................................................................. 56
VS-900TI Tie-line Interface Card ............................................................................... 56
VS-900SC Site Connector ......................................................................................... 57
YC-303 Main Frame Wall Mounting Bracket .............................................................. 57

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When Installing the Unit
[Applicable to the exchange and the station]
• Do not expose the unit to rain or an environment
where it may be splashed by water or other liquids,
as doing so may result in fire or electric shock.
• Do not cut, kink, otherwise damage nor modify the
power supply cord and connection cord. In
addition, avoid using the cords in close proximity to
heaters, and never place heavy objects -- including
the unit itself -- on the cords, as doing so may
result in fire or electric shock.
[Applicable to the exchange]
• Use the unit only with the voltage specified on the
unit. Using a voltage higher than that which is
specified may result in fire or electric shock.
• Be sure to ground to the safety ground (earth)
terminal to avoid electric shock. Never ground to a
gas pipe as a catastrophic disaster may result.
• Owing to the unit's size and weight, be sure that at
least two persons are available to install the unit.
Failure to do so could result in personal injury.
•(When mounted on a wall)
Refer all installation work to the dealer from whom
the unit was purchased. Installation requires
extensive technical knowledge and experience.
The unit may fall off if incorrectly installed, resulting
in possible personal injury.
•(When mounted on a wall)
Install the unit only in a location that can
structurally support the weight of the unit and the
mounting bracket. Doing otherwise may result in
the unit falling down and causing personal injury
and/or property damage.
When the Unit is in Use
[Applicable to the exchange]
• Should the following irregularity be found during
use, immediately switch off the power, disconnect
the power supply plug from the AC outlet and
contact your nearest TOA dealer. Make no further
attempt to operate the unit in this condition as this
may cause fire or electric shock.
· If you detect smoke or a strange smell coming
from the unit.
· If water or any metallic object gets into the unit
• To prevent a fire or electric shock, never open nor
remove the unit case as there are high voltage
components inside the unit. Refer all servicing to
your nearest TOA dealer.
• Do not place cups, bowls, or other containers of
liquid or metallic objects on top of the unit. If they
accidentally spill into the unit, this may cause a fire
or electric shock.
• Do not touch the power cord during thunder and
lightning, as this may result in electric shock.
WARNING
Indicates a potentially hazardous situation which, if mishandled, could
result in death or serious personal injury.
Indicates a potentially hazardous situation which, if mishandled, could
result in moderate or minor personal injury, and/or property damage.
WARNING
CAUTION
1. SAFETY PRECAUTIONS
• Before installation or use, be sure to carefully read all the instructions in this section for correct and safe
operation.
• Be sure to follow all the precautionary instructions in this section, which contain important warnings and/or
cautions regarding safety.
• After reading, keep this manual handy for future reference.
Safety Symbol and Message Conventions
Safety symbols and messages described below are used in this manual to prevent bodily injury and property
damage which could result from mishandling. Before operating your product, read this manual first and
understand the safety symbols and messages so you are thoroughly aware of the potential safety hazards.

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When Installing the Unit
[Applicable to the exchange and the station]
• Avoid installing the unit in humid or dusty locations,
in locations exposed to the direct sunlight, near the
heaters, or in locations generating sooty smoke or
steam as doing otherwise may result in fire or
electric shock.
[Applicable to the exchange]
• Do not block the ventilation slots in the unit's cover.
Doing so may cause heat to build up inside the unit
and result in fire.
When the Unit is in Use
[Applicable to the exchange]
• Do not place heavy objects on the unit as this may
cause it to fall or break which may result in
personal injury and/or property damage. In
addition, the object itself may fall off and cause
injury and/or damage.
• Contact your TOA dealer as to the cleaning. If dust
is allowed to accumulate in the unit over a long
period of time, a fire or damage to the unit may
result.
CAUTION

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WARNING (For U.S.A. only)
This equipment generates, uses, and can radiate radio frequency energy and, if not installed and
used in accordance with the instructions manual, may cause interference to radio communications. It
has been tested and found to comply with the limits for a Class A computing device pursuant to
Subject J of Part 15 of the FCC Rules, which are designed to provide reasonable protection such
interference when operated in a commercial environment.
Operation of this equipment in a residential area is likely to cause interference, in which case the user
at his own expense will be required to take whatever measures may be required to correct the
interference.
2. FCC REQUIREMENTS
(1) This equipment compiles with Part 68 of the FCC rules. On the front panel of this equipment is a label that
contains, among other information, the FCC registration number and ringer equivalence number (REN) for
this equipment. If requested, this information must be provided to the telephone company.
(2) USOC Jack RJ11C or RJ11W
(3) This Equipment is designed to be connected to the telephone network or premises wiring using a
compatible modular jack that is Part 68 compliant. See this manual (VS-900 INSTALLATION MANUAL)
for details.
(4) The REN is used to determine the quantity of devices that may be connected to the telephone line.
Excessive REN's on the telephone line may result in the devices not ringing in response to an incoming
call. Typically, the sum of REN's should not exceed five (5.0). To be certain of the number of devices that
may be connected to a line (as determined by the total REN's), contact the local telephone company.
(5) If this equipment VS-900 causes harm to the telephone network, the telephone company will notify you in
advance that temporary discontinuance of service may be required. But if advance notice isn't practical,
the telephone company will notify the customer as soon as possible. Also, you will be advised of your right
to file a complaint with the FCC if you believe it is a necessary.
(6) The telephone company may make changes in it's facilities, equipment, operations, or procedures that
could affect the operation of the equipment. If this happens, the telephone company will provide advance
notice in order for you to make the necessary modifications in order to maintain uninterrupted service.
(7) If trouble is experienced with this equipment VS-900, please contact TOA Electronics, Inc., 601 Gateway
Boulevard, Suite 300, South San Francisco, CA. 94080, phone [phone] for repair and warranty
information. If the trouble is causing harm to the telephone network, the telephone company may request
you remove the equipment from the network until the problem is resolved.
(8) This equipment may not be used on coin service provided by the telephone company. Connection to party
lines is subject to state tariffs.
(9) This equipment is hearing aid compatible.

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3. INDUSTRIAL CANADA REQUIREMENTS
EQUIPMENT ATTACHMENT LIMITATIONS
"NOTICE: The Industry Canada label identifies certified equipment. This certification means that the
equipment meets telecommunications network protective, operational and safety requirements as prescribed
in the appropriate Terminal Equipment Technical Requirements document(s). The Department does not
guarantee the equipment will operate to the user's satisfaction.
Before installing this equipment, users should ensure that it is permissible to be connected to the facilities of
the local telecommunications company. The equipment must also be installed using an acceptable method of
connection. The customer should be aware that compliance with the above conditions may not prevent
degradation of service in some situations.
Repairs to certified equipment should be coordinated by a representative designated by the supplier. Any
repairs or alterations made by the user to this equipment, or equipment malfunctions, may give the
telecommunications company cause to request the user to disconnect the equipment.
Users should ensure for their own protection that the electrical ground connections of the power utility,
telephone lines and internal metallic water pipe system, if present, are connected together. This precaution
may be particularly important in rural areas.
Caution: Users should not attempt to make such connections themselves, but should contact the appropriate
electric inspection authority, or electrician, as appropriate."
"NOTICE: The Ringer Equivalence Number (0.4) assigned to each terminal device provides an indication of
the maximum number of terminals allowed to be connected to a telephone interface. The termination on an
interface may consist of any combination of devices subject only to the requirement that the sum of the Ringer
Equivalence Numbers of all the devices does not exceed 5."
RESTRICTIONS CONCERNANT LE RACCORDEMNT DE MATÉRIEL
"AVIS: L'étiquette d'Industrie Canada identifie le matériel homologué. Cette étiquette cetifie que le matériel est
conforme aux normes de protection, d'exploitation et de sécurité des réseaux de télécommunications, comme
le prescrivent les documents concernant les exigences techniques relatives au matériel terminal. Le Ministère
n'assure toutefois pas que le matériel fonctionnera à la satisfaction de l'utilisateur.
Avant d'installer ce matériel, l'utilisateur doit s'assurer qu'il est permis de le raccorder aux installations de
l'entreprise locale de télécommunication. Le matériel doit également être installé en suivant une méthode
acceptée de raccordement. L'abonné ne doit pas oublier qu'il est possible que la conformité aux conditions
énoncées ci-dessus n'empêche pas la dégradation du service dans certaines situations.
Les réparations de matériel homologué doivent être coordonnées par un représentant désigné par le
fournisseur. L'entreprise de télécommunications peut demander à l'utilisateur de débrancher un appareil à la
suite de réparations ou de modifications effectuées par l'utilisateur ou à cause de mauvais fonctionnement.
Pour sa propre protection, l'utilisateur doit s'assurer que tous les fils de mise à la terre de la source d'énergie
électrique, des lignes téléphoniques et des canalisations d'eau métalliques, s'il y en a, sont raccordés
ensemble. Cette précaution est particulièrement importante dans les régions rurales.
Avertissement: L'utilisateur ne doit pas tenter de faire ces raccordements lui-même; il doit avoir recours à un
service d'inspection des installations électriques, ou à un électricien, selon le cas."
"AVIS: L'indice d'équivalence de la sonnerie (0.4) assigné à chaque dispositif terminal indique le nombre
maximal de terminaux qui peuvent être raccordés à une interface. La terminaison d'une interface téléphonique
peut consister en une combinaison de quelques dispositifs, à la seule condition que la somme d'indices
d'équivalence de la sonnerie de tous les dispositifs n'excède pas 5."
This Class A digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe A est conforme à la norme NMB-003 du Canada.

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4. GENERAL DESCRIPTION
The VS-900 Security System is a voice communication system that permits calls to be quickly and easily
made - even in emergency situations - with the touch of single button. The system can record conversations,
and features external equipment sync output and operation log output. These features combine to make the
VS-900 an ideal system for voice security applications.
5. FEATURES
• Modular construction facilitates installation, maintenance, and system expansion.
• Rack- or wall-mountable exchange.
• Up to 4 master stations (or commercial telephone sets) and 64 substations can be connected per exchange.
• Up to 2 outside telephone (C/O) lines can be connected per exchange.
• Station paging (by means of the substation speaker) and external paging functions.
• External sound source distribution capability.
• Up to 19 paging zones can be established.
• Emergency Paging function.
• By connecting an external recording device, the conversations at the master station (or telephone set) and
at the outside line telephone can be recorded.
• Exchange operating log can be transmitted to a PC.
• Tie-line possible for up to 16 exchanges.
• 24 V DC input for connection of backup power supply.
• Manual/Automatic Call Forwarding, Conference, Scan Monitor functions.
6. INSTALLATION PRECAUTIONS
• Make sure that the power is switched OFF during installation work. Switch on the power after the installation
work is completed.
• To prevent the unit's failure, be sure to switch off its power when inserting or removing the card.
• When mounting each card, fully insert it into the Main Frame. After all cards are mounted, secure them with
the card fixing bracket.
• Do not use the unit near heaters or in locations exposed to sunlight. The unit's plastic parts may be
deformed or its finish discolored.
• Avoid installing the unit in humid or dusty locations, as doing otherwise may cause the unit's failure.
• When the unit gets dirty with dust or oil, wipe down with a soft, dry cloth. Never use a chemically-treated
cleaning cloth or volatile liquids, such as benzine and thinner, because the unit's plastic parts may be
deformed or its finish discolored.

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7. SYSTEM CONFIGURATION AND EQUIPMENT FUNCTIONS
7.1. System Configuration
VS-900 Exchange (1)
VS-900 Exchange (2)
VS-900 Exchange (16)
Rack Mount Panel
PN-100B
Main Frame VS-900MF/
Main Frame Mounting
Bracket YC-303
Master station MS-900 (2 units)
Recording voice output (for each station)
Recording control output (for each station)
Telephone (2 units)
Recording voice output (for each telephone)
Recording control output (for each telephone)
Paging output (to an over 16 watt 25V amplifier)
Paging input (from an over 16 watt 25V amplifier)
Half-duplex Substation RS-150, RS-160, RS-170
or RS-180 (16 units)
Outside line (2 lines)
Full-duplex substation RS-190* (16 units)
* The RS-191 is connectable.
Recording voice output (for each line)
Recording control output (for each line)
External paging voice output
External paging control output (16 channels)
Voice input for external source distribution
Control input for external source distribution
(4 channels)
Input and output for exchange interconnection
(4 voice lines, 1 data line)
Power Transformer
Uint PU-200
Power Transformer
Uint PU-200
Master Station
Interface Card
VS-900MS (1)
Telephone Interface
Card VS-900AL (2)
Substation Interface
Card VS-900RS (1)
Substation Interface
Card VS-910RS (4)
Outside Line
Interface Card
VS-900CO
Audio Function Card
VS-900AF
Tie-line Interface
Card VS-900TI

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7.2. Equipment Functions
•VS-900MF Main Frame
The VS-900MF accommodates the following cards: Up to 2 VS-900MS or VS-900AL Cards (both cards may
be mixed), up to 4 VS-900RS or VS-910RS Cards (both cards may be mixed), 1 VS-900CO Card, 1 VS-
900AF Card, and 1 VS-900TI Card.
The Main Frame has 2 RS-232C ports; one for programming and the other for operation log output.
•VS-900MS Full-duplex Master Station Interface Card
The VS-900MS is used for master station connection. Up to 2 master stations can be connected per card,
and an external recording device can be connected to each line.
•VS-900AL Telephone Interface Card
The VS-900AL is used for connecting telephone sets (in compliance with the FCC Regulation Part 68). Up to
2 telephones can be connected per card, and an external recording device can be connected to each line.
•VS-900RS Half-duplex Remote Substation Interface Card
The VS-900RS is used for substation connection. Up to 16 substations can be connected per card. The
Substation Interface Card has 2 speech links, one of which also functions as a paging link with the paging
input/output connected to an external amplifier.
•VS-910RS Full-duplex Remote Substation Interface Card
The VS-910RS is used for connecting full-duplex substations and option handsets. Up to 16 substations can
be connected per card. The Substation Interface Card has 2 speech links, one of which also functions as a
paging link with the paging input/output connected to an external amplifier.
•VS-900CO Outside Telephone Line Interface Card
The VS-900CO is used for outside telephone line connection. Up to 2 outside lines can be connected per card,
and an external recording device can be connected to each line.
•VS-900AF Audio Function Card
The VS-900AF enables Conference, External Amplifier Paging, and External Source Distribution functions.
The Audio Function Card has 1 conference link (maximum 4 stations), 1 audio output and 16 control outputs
for external amplifier paging, and 1 audio input and 4 control inputs for external source distribution.
•VS-900TI Tie-Line Interface Card
The VS-900TI is used to interconnect multiple exchanges. The Tie-Line Interface Card can connect up to 4
links made up by 1 (STP) shielded, twisted pair of data lines and 4twisted pairs of voice lines.
•VS-900SC Site Connector
When tie-line connecting VS-900 system exchanges, fiber optic cables can be used to extend the audio tie-line
longer than the maximum distance* possible using twisted pair cable. TOA's VS-900 Site Connector is used
to connect the VS-900 system exchanges to the fiber optic interface as shown in the figure on page 43.
* 1.5 km when an AWG20 twisted pair cable is used.
•PU-200 Power Transformer Unit
The wall-mountable PU-200 has 2 20V/2.5A AC outputs. One PU-200 unit is required when up to 2
VS-900RS Cards are installed, and 2 PU-200 units are required when 3 or 4VS-900RS Cards are
installed.
•YC-303 Main Frame Wall Mounting Bracket
The YC-303 is used when mounting the main frame on the wall.
•PN-100B Rack Mount Panel
The PN-100B provides side-by-side rack mounting capability for up to 2 PU-200 power supply units.
•MS-900 Full-duplex Master Station
The MS-900 can make calls to or receive calls from the substation. It utilizes 2 pairs of twisted cables.
•RS-150 Half-duplex Remote Substation (Indoor Type)
The RS-150 can call and converse with the registered master stations. It utilizes a single-pair shielded cable.

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•RS-160 Half-duplex Remote Substation (Indoor Vandal-Resistant Type)
The RS-160 can call and converse with the registered master stations. It utilizes a single-pair shielded cable.
•RS-170 Half-duplex Remote Substation (Outdoor Vandal-Resistant Type)
The RS-170 can call and make converse with the registered master stations. It utilizes a single-pair shielded
cable.
•RS-180 Half-duplex Outdoor Panic Remote Substation (for Emergency Use)
The RS-180 can call and converse with the registered master stations. It has an indicator lamp and a control
output channel, and utilizes a single-pair shielded cable.
•RS-190 Full-duplex Remote Substation (Indoor Type)
The RS-190 can call and converse with the registered master stations. It has an indicator lamp and a control
output channel, and utilizes 2 pairs of twisted cables. Recommended for elevators and other locations.
•RS-191 Option Handset (Indoor Type)
The RS-191 is used in combination with the RS-190. Lifting the handset permits handset conversation.

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8. VS-900MF MAIN FRAME NOMENCLATURE AND FUNCTIONS
1. AC Input Connectors
Connect to the AC output terminal of the PU-200
power transformer unit. (See p. 46.)
2. 24 V DC Input Connector
Connects to a battery (24 V DC). (See p. 46.)
3. Power Switch
Power is switched on (I) and off (O) with each
toggle of this switch.
4. Backup Battery Socket
Insert the CR2032 data backup battery into this
socket. (See p. 22.)
5. VS-900MS/VS-900AL Installation Slot
[MS/AL 1 – 2]
A maximum of 2 VS-900MS or VS-900AL cards
can be installed. (See p. 27 and 32.)
6. VS-900RS/VS-910RS Installation Slot
[RS 1 – 4]
A maximum of 4 VS-900RS or VS-910RS cards
or combination can be installed. (See p. 33.)
7. VS-900CO Installation Slot [CO]
One VS-900CO card can be installed.
(See p. 36.)
8. VS-900AF Installation Slot [AF]
One VS-900AF card can be installed.
(See p. 38.)
9. VS-900TI Installation Slot [TI]
One VS-900TI card can be installed. (See p. 40.)
10. Programming PC Connector [RS-232C]
Connects to the programming PC either directly
or via modem. (See p. 47.)
11. Operation Log PC Connector [RS-232C]
Connects to the operation log PC either directly
or via modem. (See p. 49.)
12. Power Indicator
Lights when the power switch is set to ON.

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9. INSTALLATION AND CONNECTION PROCEDURES
(1) System Design
(2) Equipment Installation
(4) Connecting the Station/Outside Line to Each Exchange Card
(3) Installing a Card in the VS-900MF Main Frame
(6) Connecting the VS-900MF Main Frame to a PC
(7) Adjusting the Station and Exchange
(8) Speech and Function Tests
(5) Tie-Line Connection (between Exchanges)
Exchange/Station Configuration, Wiring Schedule and Station Numbering Schedule
Installing the VS-900MF Main Frame in an Equipment Rack or on a Wall (See p. 14.)
Installing the PU-200 Power Transformer in an Equipment Rack or on a Wall (See p. 16.)
Installing the Remote Substation and the Option Handset (See p. 18 and 19.)
Installing the Master Station (See p. 20.)
Installing the Site Connector (See p. 21.)
• MS-900 Master Station vs. VS-900MS Card
• External Recording Device vs. VS-900MS Card
(See p. 26.)
(See p. 29.)
• Telephone vs. VS-900AL Card
• External Recording Device vs. VS-900AL Card
(See p. 31.)
(See p. 33.)
• Half-duplex Remote Substation vs. VS-900RS Card
• External Amplifier vs. VS-900RS Card
(See p. 34.)
(See p. 35.)
• Outside Line vs. VS-900CO Card
• External Recording Device vs. VS-900CO Card
(See p. 37.)
(See p. 38.)
• External Amplifier vs. VS-900AF Card
• External Recording Device vs. VS-900AF Card
(See p. 39.)
(See p. 40.)
VS-900MF Main Frame vs. PU-200 Power Transformer (See p. 47.)
Installing the Data Backup Battery (See p. 22.)
Installing and Connecting Each Card (See p. 23.)
• Full-Duplex Substation vs. VS-910RS Card (See p. 36.)
Connection to a Programming PC (See p. 48.)
Connection to an Operation Log PC (See p. 50.)
System Programming (See the "VS-900 SETUP SOFTWARE MANUAL.")
Master Station Microphone Sensitivity/Speaker Volume Adjustment (See p. 30.)
Telephone Volume Adjustment (VS-900AL Card) (See p. 32.)
Speech Test (See p. 52.)
Function Test (See p. 52.)
VS-900TI vs. VS-900TI (See p. 41.)
VS-900SC (See p. 44.)
Power-ON

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10. EQUIPMENT INSTALLATION
10.1. VS-900MF Main Frame
10.1.1. Rack mounting
Step 1. Attach the supplied rack mounting brackets to the frame.
Mounting bracket (accessory)
Machine screw M4 x 10 (6 places)
(accessory)
Step 2. Mount the frame to an equipment rack.
Fiber washer (8 places)
(accessory)
Rack mounting screw (tapping screw M5 x 12, 8 places)
(accessory)

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10.1.2. Wall mounting (Optional YC-303 Wall Mounting Frame is required.)
Step 1. Mount the YC-303 bracket to the wall.
Wood screw M5.1 x 38
(accessory)
Knockout (for wiring)
Mounting dimensions
78 78 78 55.2
30
391.4
290
200
440.6
141.3
Unit: mm
Step 2. Remove the VS-900MF's front panel, then mount the VS-900MF on the YC-303.
Tapping screw M4 x 12
(supplied with the YC-303)

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10.2. PU-200 Power Transformer Unit
10.2.1. Rack mounting
Step 1. Remove the 4 mounting screws, and attach the supplied wall mounting brackets to the transformer
unit using the removed screws.
Mounting screw
Wall mounting bracket (accessory)
Step 2. Attach the PU-200 to the PN-100B Rack Mount Panel.
PN-100B
PU-200
Machine screw M3 x 8
(supplied with the PN-100B)
Flange nut M3
(supplied with the PN-100B)
Step 3. Mount the PN-100B in an equipment rack.
Binding head self tapping screw M5 x 12
(supplied with the PN-100B)
Fiber washer
(supplied with the PN-100B)
Note
Perform terminal wiring before mounting.

17
10.2.2. Wall mounting
Step 1. Remove the 4 mounting screws, and attach the supplied wall mounting brackets to the transformer
using the removed screws.
Mounting screw
Wall mounting bracket (accessory)
Step 2. Fix the unit on the wall. Use the supplied wood screws (3.5 x 25) as appropriate for mounting.
Wood screw M3.5 x 25
(accessory)
140
120
11525
Unit: mm

18
10.3. RS-150, RS-160, RS-170, RS-180 and RS-190 Substations
Mount the substation to an electrical box mounted in the wall.
RS-150/-160/-170/-180/-190
Oval head combination screw
M4 x 25 (accessory)
2-gang electrical box
YC-302 (optional)
46
120 52.5 *2, *3*243.5 (RS-150)
*353 (RS-190)
*12 (RS-150, RS-190)
3 *1
37
18.2 83.5
120
Unit: mm
Dimensional diagram
Accessory screws
The RS-150, RS-160, RS-170, RS-180 and RS-190 come with 2 types of screws: oval head combination
screw M4 x 25 and oval head slotted screw UNC No.6 x 18.
For the electrical box provided with unified threads, use the oval head slotted screws UNC No.6 x 18.

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10.4. RS-191 Option Handset (Indoor type)
10.4.1. Wall mounting
Mount the option handset to an electrical box mounted in the wall.
RS-191
Oval head combination screw
M4 x 25 (accessory)
2-gang electrical box
YC-302 (optional)
10.4.2. RS-190 and RS-191 connection
Plug out the jumper from the connector on the RS-190's side panel, then plug the RS-191's connection cable
instead as illustrated below.
RS-191
RS-190
Jumper
Connection cable
Accessory screws
The RS-191 comes with 2 types of screws: oval head
combination screw M4 x 25 and oval head slotted screw
UNC No.6 x 18.
For the electrical box provided with unified threads, use
the oval head slotted screws UNC No.6 x 18.

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10.5. Master Station
10.5.1. Desk-top mounting
Connect the supplied modular-plug cord.
10.5.2. Wall mounting
Pull out, rotate, and reset the cradle hook, then mount the station on the wall using the supplied wall mounting
frame. Use the supplied wood screws as appropriate.
Remove the cradle hook.
Wood screw M3.5 x 25
(supplied with the MS-900)
Cradle hook
Pull out the cradle hook, then
replace it after changing the
direction as illustrated.