Aiphone Ai900 User Manual Bc683c86 A6e5 4343 A674 F1b12515b27d

User Manual: aiphone ai900 Aiphone Home Security System AI-900 User Guide |

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Page Count: 48

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.

INSTALLATION MANUAL

VOICE SECURITY SYSTEM AI-900

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. AI-900MF MAIN FRAME NOMENCLATURE AND FUNCTIONS ........... 11

9. INSTALLATION AND CONNECTION PROCEDURES .............................. 12

10. EQUIPMENT INSTALLATION

10.1. AI-900MF Main Frame

10.1.1. Rack mounting ........................................................................................ 13

10.1.2. Wall mounting ......................................................................................... 14

10.2. AI-PU200 Power Transformer unit

10.2.1. Rack mounting ........................................................................................ 15

10.2.2. Wall mounting ......................................................................................... 16

10.3. AI-RS150, AI-RS160, AI-RS170 and AI-RS180 Substations .............................. 17

10.4. Master Station

10.4.1. Desk-top mounting .................................................................................. 18

10.4.2. Wall mounting ......................................................................................... 18

11. AI-900MF CARD INSTALLATION

11.1. Backup Battery Installation ................................................................................. 19

11.2. Card Installation .................................................................................................. 20

12. WIRING

12.1. Wiring from the Station or Outside Line .............................................................. 21

12.2. Supplied Connector Connection ......................................................................... 22

12.3. AI-900MS Master Station Interface Card Connection

12.3.1. Master Station and AI-900MS connection .............................................. 23

12.3.2. External recording device and AI-900MS connection ............................ 25

12.4. AI-MS900 Master Station Connection and Adjustment

12.4.1. External speaker connection .................................................................. 26

12.4.2. Speaker volume and microphone sensitivity adjustment ....................... 26

12.5. AI-900AL Telephone Interface Card Connection

12.5.1. Telephone and AI-900AL connection ..................................................... 27

12.5.2. External recording device and AI-900AL connection ............................. 29

12.6. AI-900RS Substation Interface Card Connection

12.6.1. Substation and AI-900RS connection .................................................... 30

12.6.2. External amplifier and AI-900RS connection .......................................... 31

12.7. AI-900CO Outside Line Interface Card Connection

12.7.1. Outside line and AI-900CO connection .................................................. 32

12.7.2. External recording device and AI-900CO connection ............................ 33

12.8. AI-900AF Audio Function Card Connection

12.8.1. Amplifier and AI-900AF connection ........................................................ 34

12.8.2. External sound source and AI-900AF connection .................................. 35

12.9. AI-900TI Tie-Line Interface Card Exchange Interconnection .............................. 36

12.10. AI-900MF Main Frame and AI-PU200 Power Transformer Connection ............ 39

13. MAIN FRAME AND PC CONNECTION

13.1. Programming PC Connection

13.1.1. Direct connection by means of RS-232C ............................................... 40

13.1.2. Connection via modem ........................................................................... 41

13.2. Operation Log PC Connection

13.2.1. Direct connection by means of RS-232C ............................................... 42

13.2.2. Connection via modem ........................................................................... 43

13.3. System Programming ......................................................................................... 43

14. SPEECH AND FUNCTION TESTS

14.1. Speech Test ........................................................................................................ 44

14.2. Function Test ...................................................................................................... 44

15. SPECIFICATIONS ................................................................................................. 45

Accessories .................................................................................................................. 45

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.

• Because the AI-900 is an electrical device, users

must not make wiring and installation.

Leave the work to qualified personnel.

Improper wiring or installation may cause electric

shock.

• Never perform wiring nor installation work while

power is turned on as doing so may cause fire or

damage to the unit.

•(When mounted on a wall)

Avoid installing the AI-MS900 Master Station on a

wall in locations where it may hit persons or it may

fall. Failure to do so may result in 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 AIPHONE 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 AIPHONE 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.

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

1. SAFETY PRECAUTIONS

• Be sure to read the instructions in this section carefully before use.

• Make sure to observe the instructions in this manual as the conventions of safety symbols and messages

regarded as very important precautions are included.

• We also recommend you keep this instruction 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.

CAUTION

WARNING

• Do not touch the power cord during thunder and

lightning, as this may result in electric shock.

• Do not connect any power supply other than

specified to the AI-900MF's DC power input

terminals.

Doing so could result in fire or damage to the unit.

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 AIPHONE 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

2. FCC REQUIREMENTS

(1) The AI-900 complies with FCC Rules, Part 68. On this equipment is a label which contains, among other

information, the FCC Part 68 registration number.

(2) The ringer equivalence number (REN) is used to determine the quality of devices which may be

connected to the telephone line. Excessive RENs on the telephone line may result in the devices not

ringing in response to an incoming call. In most, but not all areas, the sum of RENs 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

RENs, contact the local telephone company.

Note: RENs are associated with loop-start and ground-start ports. It is not used for E&M and digital ports.

The REN assigned to the AI-900 is 0.4. If requested, this information must be given to the

telephone company.

(3) In the event of equipment malfunction, all repairs should be performed by AIPHONE CORPORATION or

an authorized agent. It is the responsibility of users requiring service to report the need for service to

AIPHONE CORPORATION or to one of our authorized agents. Service can be facilitated through our

office at:

AIPHONE CORPORATION

1700-130th Ave., N.E.

Bellevue, Washington 98009

Phone (425) 455-0510

The telephone company can ask you to disconnect the equipment from the network until the problem is

corrected or until you are sure that the equipment is not malfunctioning.

(4) If the AI-900 disrupts the telephone network, the telephone company can discontinue your service

temporarily. If possible, the telephone company will notify you in advance. If advance notice is not

practical, they will notify you as soon as possible. You are also informed of your right to file a complaint

with the FCC.

(5) The telephone company can make changes in its facilities, equipment, operations, or procedures that can

affect the operation of your equipment. If they do, you should be notified in advance so you have an

opportunity to maintain uninterrupted telephone service.

(6) While the AI-900 is fully compliant with FCC rules and regulations, it is recommended that an alternating

current (ac) surge arrestor of the form and capability suitable for the model purchased be installed in the

ac outlet to which the AIPHONE CORPORATION products are connected. Consult with your distributor as

to the surge protector requirements for your equipment.

(7) The FCC rules require that the following Affidavit be completed by the installer and forwarded to the local

exchange carrier, whenever digital terminal equipment without encoded analog content and billing

protection is used to transmit digital signals containing encoded analog content, which are intended for

eventual conversion into Voiceband analog signals and retransmitted on the network.

(8) The AI-900 has been tested and comply with the limits for a class A digital device, pursuant to Part 15 of

the FCC Rules. These limits are designed to provide reasonable protection against harmful interference

when the equipment is operated in a commercial environment. This equipment generates, uses, and can

radiate radio frequency energy and, if not installed and used in accordance with the instruction manual,

can cause harmful interference to radio communications. Operation of this equipment in a residential area

is likely to cause harmful interference, in which case the user will be required to correct the interference in

the user's expense.

CHANGES OR MODIFICATIONS NOT EXPRESSLY APPROVED BY AIPHONE CORPORATION

COULD VOID THE USER'S AUTHORITY TO OPERATE THE EQUIPMENT.

3. INDUSTRY CANADA REQUIREMENTS

(1) ''NOTICE: This equipment meets the applicable Industry Canada Terminal Equipment Technical

Specifications.

This is confirmed by the registration number. The abbreviation, IC, before the registration number signifies

that registration was performed based on a Declaration of Conformity indicating that Industry Canada

technical specifications were met.

It does not imply that Industry Canada approved the equipment."

(2) ''NOTICE: The Ringer Equivalence Number (REN) for this terminal equipment is 0.4.

The REN assigned to each terminal equipment 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 five.''

(3) "The abbreviation, IC, before the registration number signifies that registration was performed based on a

Declaration of Conformity indicating that Industry Canada technical specifications were met. It does not

imply that Industry Canada approved the equipment.

(4) 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.

4. GENERAL DESCRIPTION

The AI-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

AI-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

• 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.

• 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.

• All units except the AI-RS170 and AI-RS180 Substations are designed exclusively for indoor use.

Do not install them outdoors.

• The whole system will not operate without power supply.

• In areas where broadcasting stations are close by, the system operation may be affected by radio frequency

interference.

• Keep DC wiring at least 30 cm away from AC wiring. Otherwise, the system may malfunction.

7. SYSTEM CONFIGURATION AND EQUIPMENT FUNCTIONS

7.1. System Configuration

AI-900 Exchange (1)

AI-900 Exchange (2)

AI-900 Exchange (16)

Rack Mount Panel

AI-PN100B

Main Frame AI-900MF/

Main Frame Mounting

Bracket AI-YC303

Master station AI-MS900 (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 amplifier)

Paging input (from an amplifier)

Substation AI-RS150, AI-RS160, AI-RS170 or

AI-RS180 (16 units)

Outside line (2 lines)

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 AI-PU200

Power Transformer

Uint AI-PU200

Master Station

Interface Card

AI-900MS (1)

Telephone Interface

Card AI-900AL (2)

Substation Interface

Card AI-900RS (1)

Substation Interface

Card AI-900RS (4)

Outside Line

Interface Card

AI-900CO

Audio Function Card

AI-900AF

Tie-line Interface

Card AI-900TI

7.2. Equipment Functions

•AI-900MF Main Frame

The AI-900MF accommodates the following cards: Up to 2 AI-900MS or AI-900AL Cards (both cards may be

mixed), up to 4 AI-900RS Cards, 1 AI-900CO Card, 1 AI-900AF Card, and 1 AI-900TI Card.

The Main Frame has 2 RS-232C ports; one for programming and the other for operation log output.

•AI-900MS Master Station Interface Card

The AI-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.

•AI-900AL Telephone Interface Card

The AI-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.

•AI-900RS Substation Interface Card

The AI-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.

•AI-900CO Outside Line Interface Card

The AI-900CO is used for outside line connection. Up to 2 outside lines can be connected per card, and an

external recording device can be connected to each line.

•AI-900AF Audio Function Card

The AI-900AF enables Conference, External Amplifier Paging, and External Source Distribution functions.

The Audio Function Card has 1 conference link (maximum 4 stations), 1 voice output and 16 control outputs

for external amplifier paging, and 1 voice input and 4 control inputs for external source distribution.

•AI-900TI Tie-Line Interface Card

The AI-900TI is used to interconnect multiple exchanges. The Tie-Line Interface Card can connect up to 4

links made up by 1 pair of data lines and 2 pairs of voice lines.

•AI-PU200 Power Transformer Unit

The wall-mountable AI-PU200 has 2 20V/2.5A AC outputs. One AI-PU200 unit is required when up to 2

AI-900RS Cards are installed, and 2 AI-PU200 units are required when 3 or more AI-900RS Cards are

installed.

•AI-YC303 Main Frame Wall Mounting Bracket

The AI-YC303 is used when mounting the main frame on the wall.

•AI-PN100B Rack Mount Panel

The AI-PN100B provides side-by-side rack mounting capability for up to 2 AI-PU200 transformer units.

•AI-MS900 Master Station

The AI-MS900 can make calls to or receive calls from the substation. It utilizes 2 pairs of twisted cables.

•AI-RS150 Substation (Indoor Type)

The AI-RS150 can call and converse with the registered master stations. It utilizes a single-pair shielded

cable.

•AI-RS160 Substation (Indoor Vandal-Resistant Type)

The AI-RS160 can call and converse with the registered master stations. It utilizes a single-pair shielded

cable.

•AI-RS170 Substation (Outdoor Vandal-Resistant Type)

The AI-RS170 can call and make converse with the registered master stations. It utilizes a single-pair

shielded cable.

•AI-RS180 Substation (for Emergency Use)

The AI-RS180 can call and converse with the registered master stations. It has a indicator lamp and a

control output channel, and utilizes a single-pair shielded cable.

8. AI-900MF MAIN FRAME NOMENCLATURE AND FUNCTIONS

123

56 7 8 9

1. AC Input Connectors

Connect to the AC output terminal of the

AI-PU200 power transformer unit.

(See p. 39.)

2. 24 V DC Input Connector

Connects to a battery (24 V DC). (See p. 39.)

3. Power Switch

Power is switched on (I) and off (O) with each

depression of this switch.

4. Backup Battery Socket

Insert the CR2032 data backup battery into this

socket. (See p. 19.)

AI-900MS/AI-900AL Installation Slot [MS/AL 1-2]

A maximum of 2 AI-900MS or AI-900AL cards

can be installed. (See p. 24 and 29.)

6. AI-900RS Installation Slot [RS 1-4]

A maximum of 4 AI-900RS cards can be

installed. (See p. 30.)

7.AI-900CO Installation Slot [CO]

One AI-900CO card can be installed.

(See p. 32.)

8. AI-900AF Installation Slot [AF]

One AI-900AF card can be installed. (See p. 34.)

9. AI-900TI Installation Slot [TI]

One AI-900TI card can be installed. (See p. 36.)

10. Programming PC Connector [RS-232C]

Connects to the programming PC either directly

or via modem. (See p. 40.)

11. Operation Log PC Connector [RS-232C]

Connects to the operation log PC either directly

or via modem. (See p. 42.)

12. Power Indicator

Lights when the power switch is set to ON.

9. INSTALLATION AND CONNECTION PROCEDURES

(1) System Design

Exchange/Station Configuration, Wiring Schedule and Station Numbering Schedule

(2) Equipment Installation

Installing the AI-900MF Main Frame in an Equipment Rack or on a Wall (See p. 13.)

Installing the AI-PU200 Power Transformer in an Equipment Rack or on a Wall (See p. 15.)

Installing the Substation (See p. 17.)

Installing the Master Station (See p. 18.)

(4) Connecting the Station/Outside Line to Each Exchange Card

• AI-MS900 Master Station vs. AI-900MS Card

• External Recording Device vs. AI-900MS Card

(See p. 23.)

(See p. 25.)

• Telephone vs. AI-900AL Card

• External Recording Device vs. AI-900AL Card

(See p. 27.)

(See p. 29.)

• Substation vs. AI-900RS Card

• External Amplifier vs. AI-900RS Card

(See p. 30.)

(See p. 31.)

• Outside Line vs. AI-900CO Card

• External Recording Device vs. AI-900CO Card

(See p. 32.)

(See p. 33.)

• External Amplifier vs. AI-900AF Card

• External Recording Device vs. AI-900AF Card

(See p. 34.)

(See p. 35.)

AI-900MF Main Frame vs. AI-PU200 Power Transformer (See p. 39.)

(3) Installing a Card in the AI-900MF Main Frame

Installing the Data Backup Battery (See p. 19.)

Installing and Connecting Each Card (See p. 20.)

(6) Connecting the AI-900MF Main Frame to a PC

Connection to a Programming PC (See p. 40.)

Connection to an Operation Log PC (See p. 42.)

(7) Adjusting the Station and Exchange

System Programming (See the "AI-900 SETUP SOFTWARE MANUAL.")

Master Station Microphone Sensitivity/Speaker Volume Adjustment (See p. 26.)

Telephone Volume Adjustment (AI-900AL Card) (See p. 28.)

(8) Speech and Function Tests

Speech Test (See p. 44.)

Function Test (See p. 44.)

(5) Tie-Line Connection (between Exchanges)

AI-900TI vs. AI-900TI (See p. 36.)

Power-ON

10. EQUIPMENT INSTALLATION

10.1. AI-900MF Main Frame

10.1.1. Rack mounting

Step 1. Attach the supplied rack mounting brackets to the frame.

Mounting bracket

Machine screw M4x10 (6 places)

Step 2. Mount the frame to an equipment rack.

Fiber washer

(8 places)

Rack mounting screw (tapping screw 5x12 , 8 places)

10.1.2. Wall mounting (Optional AI-YC303 Wall Mounting Frame is required.)

Step 1. Mount the AI-YC303 bracket to the wall.

Wood screw 5.1x38

Knockout (for wiring)

Mounting dimensions

78 78 78 55.2

391.4

290

200

440.6

141.3

Step 2. Remove the AI-900MF's front panel, then mount the AI-900MF on the AI-YC303.

Tapping screw 4x12

10.2. AI-PU200 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

Step 2. Attach the AI-PU200 to the AI-PN100B Rack Mount Panel.

AI-PN100B

AI-PU200

Machine screw (M3 x 8)

Step 3. Mount the AI-PN100B in an equipment rack.

Binding head self tapping screw (5 x 12)

Fiber washer

Note

Perform terminal wiring before mounting.

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

Step 2. Mount the transformer to the wall using the supplied wood screws.

Wood screw 3.5 x 25

140

120

11525

Unit: mm

10.3. AI-RS150, AI-RS160, AI-RS170 and AI-RS180 Substations

Mount the substation to an electrical box mounted in the wall.

AI-RS150/-RS160/-RS170/-RS180

Oval head screw UNC No.6x18

2-gang electrical box (deep)

and adapter ring

120 52.5 *2*2 43.5 (AI-RS150)

*1 2 (AI-RS150)

3 *1

18.2 83.5

120

Unit: mm

Dimensional diagram

10.4. Master Station

10.4.1. Desk-top mounting

Connect the supplied modular-plug cord.

10.4.2. Wall mounting

Pull out, rotate, and reset the cradle hook, then mount the station on the wall using the supplied wall mounting

frame.

Remove the cradle hook.

CR2032

BATT1

AI-900MF

11. AI-900MF CARD INSTALLATION

11.1. Backup Battery Installation

Caution

All cards contain many CMOS ICs which are easily damaged by static electricity. Do not touch circuit

components.

•Insert the backup battery into the Main Frame mother board before installing any cards.

Danger of explosion if battery is incorrectly replaced.

Replace only with the same or equivalent type recommended by the manufacturer.

Dispose of used batteries according to the manufacturer's instructions.

CAUTION

Danger d'explosion lorsque la batterie n'est pas remplacée correctement.

Remplacer uniquement avec des batteries identiques ou d'un type équivalent.

ATTENTION

Battery replacement

As the battery life is rated at about 4 years, replace it with a new one every 4 years.

Follow the replacement procedure below.

Step 1. Switch the Main Frame (AI-900MF) power off.

Step 2. Remove all installed cards.

Step 3. Switch the AI-900MF power on.

Step 4. Replace the battery.

Step 5. Switch the AI-900MF power off.

Step 6. Reinstall the removed cards.

Step 7. Switch the AI-900MF power on.

Important

Be sure to replace the battery while the AI-900MF power is on.

Otherwise, stored date and time data will be lost.

11.2. Card Installation

Step 1. Remove each card from its static-protective bag, and install it in its designated position in the Main

Frame.

•For the AI-900TI, perform exchange number setting BEFORE installation. Refer to p. 38 "Exchange Number

Setting."

Step 2. After installing all cards, secure them using the supplied fixing bracket.

The top and side panels are omitted to

show the hidden parts.

12. WIRING

12.1. Wiring from the Station or Outside Line

Step 1. Remove the main frame's bottom panel as shown below.

Step 2. Connect stations or outside lines to their respective cards as shown below.

12.2. Supplied Connector Connection

Use the supplied connectors for exchange connections as follows.

Step 1. Insert a cable into the connector and tighten the screw.

Step 2. After cable connection is completed, press the connector onto the circuit board's connector.

12.3. AI-900MS Master Station Interface Card Connection

12.3.1. Master Station and AI-900MS connection

•The AI-900MS can be interfaced with up to 2 AI-MS900 master stations.

•Because up to 2 AI-900MS cards can be mounted in the AI-900MF Main Frame, up to four master stations

can be connected per frame.

•A station address must be assigned to each connected AI-MS900 station. Set the station address at each

AI-MS900 station after switching ON the power.

[Station Address Setting]

Step 1. Set the Master Station's REGISTER switch to the ON position. The "Reg_mode" indication will be

displayed on the station screen.

Step 2. Press the [XFER] key.

Step 3. According to the following table, enter the station address 1 – 4 through the use of a numeric keypad.

AI-900MS Line Station Address

MS/AL Slot 1 11

MS/AL Slot 2 13

Step 4. Press the [PTT] key.

Step 5. Set the REGISTER switch to the OFF position to places the station in standby mode.

Press-to-talk [PTT] key

Transfer [XFER] key

ABC

DEF

JKL

GHI

MNO

TUV

PRS

WXY

OPER

P T T REDIAL XFER

HANDSET REGISTER

Do not connect thei jack

to telephone line.

LINE

MINI. MAX.

SP. VOL. OFF ON

[View ]

View

Registration ON/OFF switch

[REGISTER ON/OFF]

Display panel

Numeric keys

[0] – [9]

[Connection]

Use 2 twisted pair cables with a modular jack fitted at each one end to connect the AI-MS900 to the

AI-900MS. Refer to the following table for the maximum recommended cable length between the two.

Cable type AWG24 (0.52 mm) AWG22 (0.65 mm) AWG20 (0.82 mm)

Distance 0.9 km 1.5 km 2.3 km

Connect as shown below.

AI-900MS and AI-MS900 connection

2 twisted pair cables

LINE

1234

AI-900MS

CN1

CN2

CN3

CN4

Line 1

for master station

Line 2

for master station

Front view of

the circuit board

Ferrite clamp *

* Mount the ferrite clamp (supplied with the AI-900MS card) on the cable in a way that the cable is looped one

turn as illustrated. (This countermeasure is for complying with the CE marking and FCC requirements.)

AI-900MS card

Ferrite clamp

SFC-10

Note

When using a shielded cable, connect the shielded wire to the "FG" terminal of the exchange main frame.

Also, connect the unused cables, if included in a bundle of cables, to the same terminal.

12.3.2. External recording device and AI-900MS connection

An external recording device can be connected to each master station line.

[Connection]

To connect the external recording device, use a twisted pair cable for voice output, and a twisted pair cable for

control output. The voice output is 0 dB* and of unbalanced type. The control output is an open collector

output 20 mA, 24 V DC max. Connect as shown below.

*0 dB = 1 V

External recording device and AI-900MS connection

2 twisted pair cables

HOT

GND

HOT

GND

HOT

GND

HOT

GND

AI-900MS

CN1

CN2

CN3

CN4

Line 1 for

recording

Line 2 for

recording

To voice input (HOT)

To voice input (GND)

To recording start input (HOT)

To recording start input (GND)

Recording device

Voice output

Control output

Voice output

Control output

Front view of

the circuit board

12.4. AI-MS900 Master Station Connection and Adjustment

12.4.1. External speaker connection

Follow the procedures below when connecting an external speaker (8Ω).

Step 1. Remove the AI-MS900's rear terminal cover and set the internal slide switch to the [EXT. SP] position.

Terminal cover

EXT.SP terminal

Microphone sensitivity control

Internal speaker volume control

Internal/External speaker selection switch

Step 2. Connect the speaker cable to EXT.SP terminal.

Speaker cable

12.4.2. Internal speaker volume and microphone sensitivity adjustment

The AI-MS900's internal speaker volume and microphone sensitivity can be adjusted by means of their

respective controls located under the terminal cover described above. Both controls are factory-preset to their

maximum positions.

Step 3. Replace the removed terminal cover in place.

12.5. AI-900AL Telephone Interface Card Connection

12.5.1. Telephone and AI-900AL connection

The AI-900AL can be interfaced with up to 2 commercial telephone sets. Use the telephone which complies

with the FCC Regulation Part 68.

[Connection]

To connect the telephone set to the AI-900AL, use a twisted pair cable. The connector of the cable end going

to the telephone needs to be the type that can be connected to the telephone connector. Perform wiring as

shown below so that the loop resistance is less than 500 Ωincluding the telephone resistance.

Telephone and AI-900AL connection

AI-900AL

CN1

CN2

CN3

CN4

1 twisted pair cable

Telephone set

Line 1

for telephone

Line 2

for telephone

Front view of

the circuit board

Ferrite clamp *

* Mount the ferrite clamp (supplied with the AI-900AL card) on the cable in a way that the cable is looped one

turn as illustrated. (This countermeasure is for complying with the CE marking and FCC requirements.)

AI-900AL card

Ferrite clamp

SFC-10

Note

When using a shielded cable, connect the shielded wire to the "FG" terminal of the exchange main frame.

Also, connect the unused cables, if included in a bundle of cables, to the same terminal.

[Setting telephone's talking volume levels]

When the talking volume is low, set it using the switch SW101 (for Line 1) or SW201 (for Line 2) on the

AI-900AL card as illustrated below.

Setting of telephone volume switches on the AI-900AL card

AI-900AL

SW101

SW201

D210

D110

CN1

Telephone

volume

switch

Telephone's talking volume (Line 1)

Telephone's talking volume (Line 2)

Front view of

the circuit board

Telephone's talking volume setting

Volume "low"

(Factory-preset)

Volume "middle" Volume "high"

12.5.2. External recording device and AI-900AL connection

An external recording device can be connected to each telephone line.

[Connection]

To connect the external recording device, use a twisted pair cable for voice output, and a twisted pair cable for

control output. The voice output is 0 dB* and of unbalanced type. The control output is an open collector

output of 20 mA, 24 V DC max. Connect as shown below.

*0 dB = 1 V

External recording device and AI-900AL connection

2 twisted pair cables

To voice input (HOT)

To voice input (GND)

To recording start input (HOT)

To recording start input (GND)

Recording device

AI-900AL

CN1

CN2

CN3

CN4

HOT

GND

HOT

GND

HOT

GND

HOT

GND

Line 1 for

recording

Line 2 for

recording

Voice output

Control output

Voice output

Control output

Front view of

the circuit board

12.6. AI-900RS Substation Interface Card Connection

12.6.1. Substation and AI-900RS connection

The AI-900RS can be interfaced with up to 16 substations.

[Connection]

Use a 2-core shield cable to connect the substation to the AI-900RS. Refer to the following table for the

maximum recommended cable length between the two.

Cable type AWG24 (0.52 mm) AWG22 (0.65 mm) AWG20 (0.82 mm)

Distance 0.5 km 0.8 km 1.3 km

Connect as shown below.

Connection of the AI-RS150/-RS160/-RS170/-RS180 to the AI-900RS

AI-RS150, AI-RS160,

AI-RS170 or AI-RS180

To line A (orange)

To line B (brown)

To line C (black)

2-core shielded cable

AI-900RS

CN1

CN2

CN3

CN4

Line 1

Line 2

Line 5

Line 6

Line 9

Line 10

Line 13

Line 14

Line 3

Line 4

Line 7

Line 8

Line 11

Line 12

Line 15

Line 16

Front view of

the circuit board

Note

The cables coming from the substations are bared at their ends.

12.6.2. External amplifier and AI-900RS connection

1-core shielded cable

1 twisted pair cable

AI-900RS

CN1

CN5 Voice output

Voice input

HOT

GND

(For paging amplifier)

Paging amplifier *1

GND COM COM 25V 70V4HOT

INPUT OUTPUT

Front view of

the circuit board

Electrical characteristics of the CN5 connector

Voice output: Unbalanced, –20 dB*2signals to be sent to a paging amplifier

Voice input: Balanced, acceptable signals on the 25 V line output from a paging amplifier

*1Rated at over 16 W power output (ex. BG-130 30 W amplifier)

*20 dB = 1 V

12.7. AI-900CO Outside Line Interface Card Connection

12.7.1. Outside line and AI-900CO connection

The AI-900CO can be interfaced with up to 2 outside lines. Using DTMF tone dialing, it is compatible with both

loop and ground start systems.

[Connection]

Connect as shown below.

Outside line and AI-900CO connection

1 twisted pair cable

AI-900CO

CN1

CN2

CN3

CN4

GND *1

GND

Front view of

the circuit board

Outside line

Line 1

GND *1

GND

Outside line

Line 2

Lightening

protector *2

Lightening

protector *2

U.S.O.C. *3

RJ11C or W

C/O Line 1

(or PBX

Extension)

C/O Line 2

(or PBX

Extension)

*1Ground this terminal only when using ground start system.

*2Install a protector if not yet installed by the telephone company.

*3This terminal must be installed by the telephone company.

12.7.2. External recording device and AI-900CO connection

An external recording device can be connected to each telephone line.

[Connection]

To connect the external recording device, use a twisted pair cable for voice output, and a twisted pair cable for

control output. The voice output is 0 dB* and of unbalanced type. The control output is an open collector

output o f 20 mA, 24 V DC max. Connect as shown below.

*0 dB = 1 V

External recording device and AI-900CO connection

2 twisted pair cables

To voice input (HOT)

To voice input (GND)

To recording start input (HOT)

To recording start input (GND)

Recording device

AI-900CO

CN1

CN2

CN3

CN4

HOT

GND

HOT

GND

HOT

GND

HOT

GND

Line 1 for

recording

Line 2 for

recording

Voice output

Control output

Voice output

Control output

Front view of

the circuit board

12.8. AI-900AF Audio Function Card Connection

12.8.1. Amplifier and AI-900AF connection

Paging can be provided through connected external amplifiers using the AI-900AF.

[Connection]

To connect the amplifier to the AI-900AF, use a twisted pair cable for voice output, and a twisted pair cable for

control output. The voice output is 0 dB* and of unbalanced type. The control output is an open collector

output of 20 mA, 24 V DC max., and permits connection of up to 16 channels. Connect as shown below.

*0 dB = 1 V

External amplifier and AI-900AF connection

To voice input (HOT)

To voice input (GND)

1 twisted pair cable

To start input (HOT)

To start input (GND)

AI-900AF

CN4

CN5

CN7

CN8

CN6

Voice output

Control output 1

Control output 2

Control output 3

Control output 4

Control output 9

Control output 10

Control output 11

Control output 12

Control output 5

Control output 6

Control output 7

Control output 8

Control output 13

Control output 14

Control output 15

Control output 16

HOT

GND

HOT

GND

HOT

GND

HOT

GND

HOT

GND

HOT

GND

HOT

GND

HOT

GND

HOT

GND

HOT

GND

HOT

GND

HOT

GND

HOT

GND

HOT

GND

HOT

GND

HOT

GND

HOT

GND

Amplifier(1)

Amplifier(2)

Amplifier(15)

Amplifier(16)

Front view of

the circuit board

12.8.2. External sound source and AI-900AF connection

The External Sound Source Distribution function can be operated using the AI-900AF.

[Connection]

To connect external sound sources to the AI-900AF, use a twisted pair cable for voice input, and a twisted pair

cable for control input (level-operated activation). The voice input is 0 dB* and of unbalanced type. The start

input is a no-voltage make contact of 20 mA, 24 V DC max. Connect as shown below.

*0 dB = 1 V

External sound sources and AI-900AF connection

AI-900AF

CN1

CN2

CN3

4 twisted pair cables

To voice output (HOT)

To voice output (GND)

Mixer

Sound source

Voice (HOT)

Voice (GND)

To control input (HOT)

To control input (GND)

To control output (HOT)

To control output (GND)

Timer

Voice input

Control input 1

Control input 2

Control input 3

Control input 4

HOT

GND

HOT

GND

HOT

GND

HOT

GND

HOT

GND

Front view of

the cicuit board

12.9. AI-900TI Tie-Line Interface Card Exchange Interconnection

Up to 16 exchanges can be tie-line interconnected using the AI-900TI card.

[Connection]

To interconnect the exchanges, use 2 twisted pair cables for voice lines, and a 2-core shielded cable for data

lines. A maximum of 4 voice lines can be connected. Refer to the following table for the maximum

recommended length for each cable type between exchanges.

(As to the cable connection, see the figure on the next page.)

Cable type AWG24 (0.52 mm) AWG22 (0.65 mm) AWG20 (0.82 mm)

Distance 0.6 km 1 km 1.5 km

[Termination resistance setting]

When interconnecting three or more exchanges, change the SJP10 connection on each card as shown below,

with the exception of the cards in the rightmost and leftmost exchanges.

AI-900

AI-900TI

AI-900

SJP10

CN6

R26

SJP10

SW1

Two twist pair cables (voice line)

A 2-core shielded cable (data line)

Factory-preset status of SJP10 Termination resistance setting when

interconnecting 3 or 4 exchanges

Connect as shown below.

Exchange interconnection by means of AI-900TI

2 twisted pair cables

2-core shielded cable

AI-900TI

CN1

CN2

CN3

CN4

CN6

AI-900TI

CN1

CN2

CN3

CN4

CN6

Voice line 1

Voice line 2

Voice line 3

Voice line 4

Data line

RS-485

Voice line 1

Voice line 2

Voice line 3

Voice line 4

Data line

RS-485

HOT

COM

HOT

COM

HOT

COM

HOT

COM

HOT

COM

HOT

COM

HOT

COM

HOT

COM

GND

HOT

COM

HOT

COM

HOT

COM

HOT

COM

HOT

COM

HOT

COM

HOT

COM

HOT

COM

GND

Front view of

the circuit board

[Exchange Number Setting]

When interconnecting the exchanges using the AI-900TI, assign the exchange number to each exchange with

the SW1 switch located on the AI-900TI's circuit board. (Refer to the table below.)

Exchange No. setting

Initial status: Exchange No. 1

AI-900TI

CN6

SW1

1 8

Exchange No. 1

OFF

5 – 8

OFF

12345678

12.10. AI-900MF Main Frame and AI-PU200 Power Transformer Connection

[Connection]

Connect as shown below using 2 parallel pair cables. Use cables with a sufficient current capacity and a

heavier gauge than AWG18. Two AI-PU200 units are required when using 3 or 4 AI-900RS cards.

AI-900MF and power supply connection

AI-900MF

24 V DC

AI-PU200

To commercial power supply

AI-PU200

To commercial power supply

OUTPUT

20V AC 2.5A 20V AC 2.5A

OUTPUT

20V AC 2.5A 20V AC 2.5A

from AI-PU200

AC-INAC-IN

DC24V IN

G1 FG

from AI-PU200

AC-INAC-IN

3 4

13. MAIN FRAME AND PC CONNECTION

13.1. Programming PC Connection

13.1.1. Direct connection by means of RS-232C

Using the RS-232C cable, connect the programming PC to the AI-900MF Main Frame as shown below.

Direct connection by means of RS-232C (Programming PC)

AI-900MF

Main Frame AI-900MF

Front view

COM2

COM1

RS-232C straight cable

Programming PC

1DCD

2RXD

3TXD

4DTR

5GND

6DSR

7RTS

8CTS

9RI

1DCD

2RXD

3TXD

4DTR

5GND

6DSR

7RTS

8CTS

9RI

13.1.2. Connection via modem

Connect as shown below.

Connection via modem (Programming PC)

AI-900MF Modem

Modem

COM2

COM1

1DCD

2RXD

3TXD

4DTR

5GND

6DSR

7RTS

8CTS

9RI

1DCD

2RXD

3TXD

4DTR

5GND

6DSR

7RTS

8CTS

9RI

RS-232C cross cable

Main Frame AI-900MF

Front view

13.2. Operation Log PC Connection

13.2.1. Direct connection by means of RS-232C

Using the RS-232C cable, connect the operating log PC to the AI-900MF as shown below.

Direct connection by means of RS-232C (Operation log PC)

AI-900MF PC

COM2

COM1

RS-232C straight cable

1DCD

2RXD

3TXD

4DTR

5GND

6DSR

7RTS

8CTS

9RI

1DCD

2RXD

3TXD

4DTR

5GND

6DSR

7RTS

8CTS

9RI

Operation log PC

Main Frame AI-900MF

Front view

13.2.2. Connection via modem

Connect as shown below.

Connection via modem (Operation log PC)

AI-900MF Modem

Modem

COM2

COM1

1DCD

2RXD

3TXD

4DTR

5GND

6DSR

7RTS

8CTS

9RI

1DCD

2RXD

3TXD

4DTR

5GND

6DSR

7RTS

8CTS

9RI

RS-232C cross cable

Main Frame AI-900MF

Front view

13.3. System Programming

Use the supplied PC software to perform such system programming as station number and function settings.

For its use and installation, refer to the "AI-900 Setup Software Instruction Manual."

14. SPEECH AND FUNCTION TESTS

Using installed equipment, perform both speech and function tests after system programming completion.

14.1. Speech Test

(1) Calls from the substation

•Call the Master Station (telephone) from each substation to check to be sure that a conversation is possible.

Also, check to confirm that the master station (telephone) registered in system programming is correctly

called.

•Check to be sure that the calling substation number (name) is correctly displayed on the Master Station.

(2) Calls from the master station

•Call the substation and Master Station from each Master Station to check to be sure that a conversation is

possible.

•Check to confirm that the designated station is correctly called.

14.2. Function Test

Check each function registered in system programming for correct operation.

For each function's operation, refer to the "AI-900 OPERATING INSTRUCTIONS."

Note: The design and specifications are subject to change without notice for improvement.

• Accessories

Power Source 20 V AC, 24 V DC

Current Consumption 5.5 A

Speech Path Configuration Time sharing switch (T1 stage)

Serial port Complies with the RS-232C Standard, D-sub connector (9-pin, female),

2 ports

Installation Method Rack- and wall-mountable

Other Real time clock for time control

Unit's presence/non-presence detection

System programming data maintenance

Power switch

Connection Terminal Bus connector: DIN connector (64-pin, female) x 9

AI-PU200 connection terminal: 4-pin x 2 (2 AI-PU200s are connectable.)

24 V DC input terminal: 4-pin (with grounding terminal)

Operating Temperature 0 – 40°C

Finish Pre-coated steel plate, black, 30% gloss

Dimensions 420 (w) x 443.7 (h) x 288.3 (d) mm (excluding the rack mounting bracket)

Weight 12.7 kg

15. SPECIFICATIONS

[AI-900MF Main Frame]

Power Source 5 V DC, 24 V DC (supplied from the main frame)

Current Consumption 50 mA (5 V DC), 200 mA (24 V DC)

Supply Power 24 V DC, 80 mA

Number of Lines 2 lines

Conversation Recording Output Audio signal: 0 dB*, unbalanced

Control signal: Open collector output, withstand voltage: 24 V DC,

control current: 20 mA

Connection Terminal Main frame connection side: DIN connector (64-pin, male)

Line output: 4-pin x 2

Recording audio/control output: 4-pin x 2

Weight 350 g

[AI-900MS Master Station Interface Card]

* 0 dB = 1 V

Note: The design and specifications are subject to change without notice for improvement.

• Accessories

4-pin dedicated connector .......................... 4

Ferrite clamp SFC-10 ................................. 2

Rack mounting bracket .............................. 2

Machine screw (M4 x 10) ........................... 6

Cable clip ................................................. 20

4-pin dedicated connector .......................... 3

CR2032 battery .......................................... 1

Floppy disk (PC setting software) .............. 2

AI-900 operating instructions ..................... 1

AI-900 installation manual (this manual) .... 1

AI-900 setup software manual ................... 1

Rack mounting screw ................................. 8

Rack mounting washer ............................... 8

Note: The design and specifications are subject to change without notice for improvement.

• Accessories

2-pin dedicated connector .......................... 2

4-pin dedicated connector .......................... 2

Ferrite clamp SFC-10 ................................. 2

[AI-900AL Telephone Interface Card]

Power Source 5 V DC, 15 V DC, 24 V DC (supplied from the main frame)

Current Consumption 150 mA (5 V DC), 30 mA (15 V DC), 200 mA (24 V DC)

Supply Power 24 V DC, 80 mA

Number of Lines 2 lines

Conversation Recording Output Audio signal: 0 dB*, unbalanced

Control signal: Open collector output, withstand voltage: 24 V DC,

control current: 20 mA

Selectable Signal Type DTMF signal

Monitoring Function Line loop detection function

Applicable Terminal Telephone sets to comply with FCC Part 68

Control Function Call signal transmission, audible signal transmission,

caller identification signal transmission (Caller ID Function)

Connection Terminal Main frame connection side: DIN connector (64-pin, male)

Line output: 2-pin x 2

Recording audio/control output: 4-pin x 2

Weight 400 g

* 0 dB = 1 V

Note: The design and specifications are subject to change without notice for improvement.

• Accessories

3-pin dedicated connector ........................ 16

4-pin dedicated connector .......................... 1

[AI-900RS Substation Interface Card]

Power Source 5 V DC, 24 V DC (supplied from the main frame)

Current Consumption 200 mA (5 V DC), 600 mA (24 V DC)

Number of Lines Substation 16 lines

Number of Links 2 links (One of 2 links is also used as a Paging Link.)

Paging Output Unbalanced, –20 dB* signals to be sent to a paging amplifier

Paging Input Balanced, acceptable signals on the 25 V line output from a paging

amplifier

Conversation Method Half-duplex conversation by voice-operated switch or simplex

conversation by PTT switch

Supply Power Maximum 1 W per substation

Other Call button detection function and speech link control function

Connection Terminal Main frame connection side: DIN connector (64-pin, male)

Substation connection side: Two-core shielded cable (3-pin) x 16

Paging input/paging output: 4-pin

Weight 550 g

* 0 dB = 1 V

Note: The design and specifications are subject to change without notice for improvement.

• Accessories

4-pin dedicated connector .......................... 4

[AI-900CO Outside Line Interface Card]

Power Source 5 V DC, 15 V DC, 24 V DC (supplied from the main frame)

Current Consumption 300 mA (5 V DC), 50 mA (15 V DC), 50 mA (24 V DC)

Number of Lines 2 lines

Conversation Recording Output Audio signal: 0 dB*, unbalanced

Control signal: Open collector output, withstand voltage: 24 V DC,

control current: 20 mA

Selectable Signal Type DTMF signal

Signal Format Loop start and Ground start compatible

Main Functions DTMF dial signal transmission function, DTMF signal detection

function, call signal (receiving) detection

Connection Terminal Main frame connection side: DIN connector (64-pin, male)

C/O line connection side: 4-pin x 2

Recording audio/control output: 4-pin x 2

Weight 380 g

* 0 dB = 1 V

Note: The design and specifications are subject to change without notice for improvement.

• Accessories

2-pin dedicated connector .......................... 2

4-pin dedicated connector ........................ 10

[AI-900AF Audio Function Card]

Power Source 5 V DC, 15 V DC, 24 V DC (supplied from the main frame)

Current Consumption 100 mA (5 V DC), 50 mA (15 V DC), 30 mA (24 V DC)

Paging Output Audio output: 1 output, 0 dB*, unbalanced

Control output: Open collector output, withstand voltage: 24 V DC,

control current: 20 mA

External Source Distribution Audio input: 1 input, 0 dB*, unbalanced

Control input: 4 inputs, no-voltage make contact,

open voltage: 24 V DC, short circuit current: 20 mA

Conference Link 1 link (up to 4-party conference)

Connection Terminal Main frame connection side: DIN connector (64-pin, male)

External interface side: Voice output 2-pin

Control output 2-pin x 16

Voice input 2-pin

Control input 2-pin x 4

Weight 230 g

* 0 dB = 1 V

Printed in Japan

133-06-239-30

Note: The design and specifications are subject to change without notice for improvement.

• Accessories

4-pin dedicated connector .......................... 5

[AI-900TI Tie-Line Interface Card]

Power Source 5 V DC, 15 V DC (supplied from the main frame)

Current Consumption 100 mA (5 V DC), 50 mA (15 V DC)

Number of Audio Links 4 links

Connection Format Multidrop system

Transmitting System Data: RS-485

Voice: Base band

Input/Output Level Voice: 0 dB*, balanced

Data: In compliance with RS-485 Standard

Other Exchange number setting function

Connection Terminal Main frame connection side: DIN connector (64-pin, male)

Tie-line interface side: 4-pin x 4 (Voice line)

4-pin x 1 (Data line)

Weight 320 g

* 0 dB = 0.775 V

Note: The design and specifications are subject to change without notice for improvement.

• Accessories

Wood screw (5.1 x 38) ............................... 4

Tapping screw (4 x 12) ............................... 4

[AI-YC303 Main Frame Wall Mounting Bracket]

Finish Steel, black, electrodeposition paint

Dimensions 391.4 (w) x 440 (h) x 58 (d) mm

Weight 2.1 kg

Aiphone Ai900 User Manual Bc683c86 A6e5 4343 A674 F1b12515b27d

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