Raytheon IIS ARTU installation manual part one

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MAGNASTAR

Original Release - September 16, 1994

C-2000 DIGITAL AIRBORNE TELEPHONE

INSTAllATION MANUAL

Document Number: 481618

Rev B August 9, 2000

Raytheon Company

Reproduction of all or parts of this document by MagnaStar Dealers for use in sales, installation,

or maintenance of MagnaStar products is authorized.

FCC ID: CDG-ARTU

MAGNASTAR

Record of Revisions

1.0

INTRODUCTION

1.1 Operational Features

1.2 Equipment Description

1.3 Installation Summary

2.0

TECHNICAL CHARACTERISTICS

3.0

UNPACKING EQUIPMENT

4.0

CABLE CONSTRUCTION TECHNIQUES and CHECK-OUT

4.1 Cable Construction Techniques

4.2 Cable Check-Out

4.3 Connector Kit Drawings EQUIPMENT INSTALLATION

5.1 Individual Equipment Installation

5.2 AIU Software Compatibility

5.3 AIU Field Alignment Procedure

EXHIBITC

C-2000 DIGITAL AIRBORNE TELEPHONE SYSTEM

TABLE OF CONTENTS

EQUIPMENT CHECKOUT WITH MAGNASTAR MAINTENANCE TERMINAL (MMT)

6.1 Introduction

6.2 Test Equipment Requirements

6.3 C-2000 Installation Check-Out with MMT

7.0

Programming The MagnaStar System

7.1 Handset Configuration Screens

7.2 MagnaStar Aircraft Configuration Settings Sheet

8.0

MAGNASTAR MAINTENANCE TERMINAL (MMT) SOFTWARE LOADING

9.0

TROUBLESHOOTING PROCEDURES

9.1 Troubleshooting Procedure for MMTI Tutorial

9.2 Additional MMTI Troubleshooting Information

9.3 MMTI Commanded Mode

9.4 Handset Screen Fault Messages and Fault Codes

APPENDIX A

APPENDIX B INTERFACE CONTROL DOCUMENT (ICD)

1.0 INTRODUCTION

2.0 EQUIPMENT INTERCONNECT CABLING

3.0 CABLES AND CONNECTORS

4.0 OUTLINE INSTALLATION DRAWING

5.0 CABLE CONSTRUCTION

APPENDIX C

USER GUIDE

INSTALLATION SCHEMATIC

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C-2000 DIGITAL AI RBORNE TELEPHONE SYSTEM

Record of Revisions

Section

6.0 Equipment Checkout

Appendix B

1.0

2.0

8.0 MMT Software Loading

Appendix B

Complete

Document

Complete

Document

Complete document revised. Total replacement

Description

Rev. E of ICD

Title Page

Introduction

Technical Characteristics

Rev. F of ICD

of original document

of orioinaJ document

Date

10/11/94

3/27/95 4/18/95 4/18/95 4/18/95 4/18/95 4/18/95

7/17/96

8/9/2000

Page #

6-30

Entire Section

1-1 thru 1-4

2-1

8-1

Title. 8, b. 2-20.

2-22, 2-23. 2-33

Entire Document.

Entire Document

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MAGNASTAR

1.0

INTRODUCTION

The MagnaStar Digital Airborne Telephone System brings complete telephony service to business

and general aviation aircraft. From the GTE Airfone digital air-ground telephone system to SA TCOM connections, the MagnaStar C-2000 offers a full-featured communications environment.

C-2000 DIGITAL AIRBORNE TELEPHONE SYSTEM

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1.1 Operational Features The C-2000 system brings the office to the sky. All the communication features required in the

office are made available in the airborne enviromnent. The system has been designed to provide these features with high quality of service and ease of operation.

Direct Dialing

- Callers can dial direct through the North American Public Switched Telephone

Network (PSTN) or to international destinations. Calls can be charged to the corporate (MagnaStar equipment owner) account (I + dialing) or to major credit

cards (0 + dialing). Of course, operator assisted (0 +) calling is also available.

Continuous North American Coverage

SA TCOM Connection

Cabin Management - MagnaStar air-ground communications can be provided to aircraft using

Connection separately supplied cabin management systems. Contact MagnaStar engineering

Cellular Connection

- The MagnaStar Digital Airborne Telephone operates over the GenStarTM digital

telephone system from GTE Airfone, which offers continuous North American coverage with automatic cell-to-cell voice-call hand-off without call interruption. Ground system covernge is available throughout the United States, southern Canada, and Mexico.

- The MagnaStar system connects to SA TCOM systems, on aircraft so equipped, to

provide easy access and choice of communication link to callers from any cabin handset. The C-2000 supports both analog interfaces and the digital CEPT-EI interface to multi-channel SA TCOM systems.

support on the StarLine at (888-246-ST AR) for further infonnation and specific interface availability.

- The MagnaStar system connects to the Cellular Phone (Cell Phone) System

through the use of a Cell Phone Interface (CPI) to provide easy access to the

Cellular system whenever the aircraft is on the ground.

HF Connection

- The MagnaStar system connects to HF radios, on aircraft so equipped, to provide easy access to that communication link from any cabin handset. Push-to-talk

(PTT) control is voice activated, eliminating the need for a PTT switch on the handset.

Multiple Calls

Uplink Calls

- The MagnaStar system allows two simultaneous phone calls of any type (voice,

data, FAX, TDD) over the GenStar system. Additionally, simultaneous calls can be made through a HF radio and over as many SA TCOM channels as supported

by the appropriate equipment, if so configured.

- Uplink telephone numbers (or SATCOM "Terminal IOlt numbers) can be

assigned to the aircraft or to each handset. For individuals with an AirCall number from GTE Airfone and signed on to the system, calls will be routed directly to their seats. When a call is received, the calling number is displayed and the called party has the option of accepting the call or not.

MagnaSlar is a trademark of the Raytheon Systems Ccxnpany. GenSIar is a lJademark of GTE Airfone blcorporated.

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C-2000 DIGITAL AIRBORNE TELEPHONE SYSTEM

Conference Calls

Call Transfer

In-Plane Calls

Speed Dialing

Multiple Phones

Fax I Data Modem

TOO

Call Charging

Conferences can be set up between multiple parties on-board and on the ground, over any of the available links (GenStar, SATCOM, HF).

Incoming and outgoing calls can be transferred to other handsets on-board the

aircraft.

Seat-to-seat (cabin-to-cockpit) calling is a standard feature.

With the MagnaStar system. callers can store and quickly call frequently called numbers as well as access services offered by GTE Airfone (hotel, car rental,

weather, etc.).

The basic C-2000 system allows installation of up to nine independent (non-party-

line) telephone handsets. A system configuration allowing up to fifty handsets is currently being developed.

The MagnaStar system provides RJ.II jacks for connection of caller's fax or personal computer modem equipment. The RJ.II jacks are integral to the handset;

they may be remoted so that the fax / modem cable does not interfere with use of the handset. The system is designed to support high quality (low error rate) voice band data transmissions at 2400 bps; 4800 bps, and 9600 bps. Higher rate capabilities are in development by Raytheon and GTE Airfone engineering.

Customer supplied TOO equipment is supported by the MagnaStar system, via the handset itself or the RJ-II jack.

Service charges for calls made with the MagnaStar system are billed directly to

the equipment owner's account (1 + calls) or to credit card accounts (0 + calls). Direct charged (1 +) calls can be blocked, for example during charter use of the aircraft.

Privacy

The MagnaStar system uses an advanced modulation and signaling scheme which offers inherent communications privacy. Your conversation is protected from casual listening by others having 'scanners' or by even similarly equipped aircraft. (This privacy is only limited by the normal private-line telephone service through

the PSTN. Additional security can be provided with optional features.)

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MAGNASTAR

1.2

Equipment Description

The MagnaStar C-2<XX> system is designed with the business aircraft in mind. With two air-

C-2000 DIGITAL AIRBORNE TELEPHONE SYSTEM

EXHIBITC

ground voice channel operations as a standard feature, the C-2<XX> consists of an Airborne Radio

Telecommunications Unit (ARTU), an antenna, a duplexer, a mounting tray for the ARTU, one or more Cabin Data Bus Repeaters (COBRs), and one to nine telephone handsets. Optional equipment includes one to three Analog Interface Units (AlU), a Call Alerter Switch (CAS), Cell Phone Interface (CPI), Cockpit Headset Interface Panel (CHIP), and other specialized devices.

A&JJ1: The ARTU provides the private automatic base exchange (P ABX) features, controls the C-2000

system. and contains the receiver-transmitter functions for radio transmission. This digital radio has been implemented using state-of-the-art multiple digitaJ signal processor techniques to provide accurate waveform control and noise-free, reliable communications in the noisy, fading. high-Doppler signal environment seen in jet aircraft-to-ground communications. Reliability is further enhanced by the automated assembly and test techniques used to manufacture the high density surface-mount-device circuit cards. Should any problem occur, built-in-test identifies the source of the problem for quick circuit card

replacement and return of the unit to service.

Antenna / D~lexer: The antenna is a low drag, quarter wavelength design swtable for use on high perforDJance jet aircraft. The duplexer is a passive signal filter-combiner that combines the receive and transmit lines to the common antenna.

~: The data and control interface to the ARTU is by means of a high speed time division multiplexed

digital bus operating as a local area network (LAN). User interface devices such as handsets, fax machines, modems, etc. connect to the system via this LAN. There are two different nx>dels of the CDBR. The CDBR-l (~ell) provides for physical connection of up to two digital handsets (with their RJ-ll jacks for the fax I modem connections) to the LAN bus. The CDBR-2 (model 2) provides two analog interface connections, each of which can support either a four wire analog handset or two wire data for direct connection of a fax machine or modem Additionally, the CDBR-2 provides a separate interface for connection of a digital handset.

Di2ital Handset: The telephone handsets have been selected for performance and reliability. The handsets

contain noise-canceling microphones to overco~ the aircraft noise environment; audio is digitized at the

handset to further ensure clear communication. Special function keys and a liquid crystal display allow easy use of all options available to the user. The digital handsets are offered with varied mounting provisions to fit any installation requirement. Handsets are offered with a) a standard build-in style mount to hold the handset when not in use, with a ratcheting cord reel, b) that version with a bulkhead mounting adapter, c) the handset and cord reel without a mount, for custom mounting, and d) a "curly-cord" (like

standard office phones) with a plug for the ability to relocate the handset to various locations wired with the

matching jack. Variations a - c also are available with the RJ-ll jack remoted from the handset, to be

located where it best fits in the interior design of the aircraft. All variations come in four colors: white, platinum, pepper dust, and black. Develop~nt is on-going for additional telephone handset options.

AllJ.: The AIU can be used to connect an analog SA TCOM unit, a Cel1 Phone Interface (CPI), a HF radio, or a Public Address (P A) amplifier, and/or other communications devices to the MagnaStar system The AIU bas been designed with electrical interfaces to optimize the connection to any analog-interface

SA TCOM system selected by the custo~. Separate connections are provided to accotmt for variations in audio-line impedance and level and in the hook switch and status interfaces between SATCOM equip~nt.

HF radio connections can be made directly or through the aircraft audio control panel. The varying requirements for the SA TCOM and HF interfaces led to an AIU design that offers the flexibility to connect a wide variety of equip~nt and systems to the C-2000. AIUs interface to the ARTU over the LAN, like

the COORs.

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~: The CAS provides ten switches to control call alerting devices (supplied by the installer) such as

bells, lights, cabin chime, etc. (Even in the relatively noise-quieted cabins of business jets, the ambient noise can make it difficult to hear the electronic ringer of the standard handset. Increasing the volume of

the handset speaker could be annoying should the handset be close to a user's ear when it rang. A separate

alerter avoids this problem and allows for installation of the handsets in enclosed compartments.) Single or

multiple switches can be assigned to a handset and to multiple handsets; and the cadence of the "ring" pattern can be controlled, giving a great deal of flexibility to customize uplink call notification. One CAS is used per aircraft; it connects to a digital handset port of any of the CDBRs in the system. The CAS may also be used to signal when Air-Ground, SA TCOM or HF services are available or when one or more particular handsets are in use.

Miscellaneous: The MagnaStar system can interface to many other communications equipment. The "-802" modification to the ARTU provides a CEPT -EI interface to connect directly to SA TCOM systems or to cabin management equipment. The flexibility is built in to the system to accommodate customerunique requirements with minimum new development.

1.3

Installation Summary

The ARTU is installed in an ARINC style mounting tray using two type A hold downs. It is designed for installation in pressurized or non-pressurized locations. The mounting tray provides an air plenum and fan for cooling. The fan is quiet enough to allow cabin installation. The duplexer can be mounted in any convenient location between the ARTU and the antenna. The antenna comes with a standard six hole mounting flange. As an option, a four hole flange is available for direct

replacement of standard 450 MHz radio telephone antennas. The handsets are designed for

installation in any convenient area of the cabin. Custom mounting provisions can be readily

provided.

C-2000 DIGITAL AIRBORNE TELEPHONE SYSTEM

EXHIBITC

Installation information and equipment outline drawings are available in the Interface Control

Document (ICD) Appendix B.

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2.0

TECHNICAL CHARACTERISTICS

Technical characteristics for the C-2000 system are shown in the following table.

C-2000 DIGITAL AIRBORNE TELEPHONE SYSTEM

EXHIBITC

Frequency Range

RF Channels

AirfonesM Service Voice I

Operation Transmit Power

Receive Sensitivity < -110 dBm

Frequency Stability

!Size

Receive Transmit

Data Channels

849-851 MHz 894-896 MHz

290

2 (Independent operation)

Full Duplex

10 Watts

< 0.2 ppm

See ICD Appendix B for Outline Installation Drawings

Weight

ARTU Mounting Tray

Antenna Duplexer

Handset (typ.) CDBR-I CDBR-2 AIU CAS CHIP CPI

15.4 Ibs

3.1

0.5

2.0

0.6 - 1.3

0.4

2.0

0.75

0.4

0.7

2.8

7.0 kg

1.3

0.2

0.9

0.3 - 0.6

0.2

0.9

0.34

0.2

0.3

1.3

Power

Transmit

- Nominal (2 phones)

-Maximum

Receive - Nominal

Voltage Range

212 Watts (7.7 A at 27.5 Vdc) 265 Watts (9.6 A. at 27.5 Vdc)

120 Watts (4.4 A. at 27.5 Vdc)

20.5 to 32.5 Vdc (00-16OC, Category B)

Environmental (Tested per 00-16OC)

Temperature

. Startup

. Continuous Operation

. Intemrittent Operation

Altitude Vibration Shock

Specifications furnished are believed to be accurate and reliable. However, all specification data is subject to change without notice.

-30°C to +55°C

-55°C to +55°C

to + 70°C to 55,000 feet Robust Random (Category Sf)

15 g

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EXHIBIT C

MAGNASTAR

Flammability

All materials used in the construction of the MagnaStar system meet the flammability requirements of at least class VI ofUL-94 or has been tested per the requirements of FAR 25.853 appendix F.

PMA

For FAA-PMA applicability see Raytheon Document 481571

C-2000 DIGITAL AIRBORNE TELEPHONE SYSTEM

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3.0

UNPACKING AND INSPECTING EQUIPMENT

Physically compare the presence of each item in the shipment with that shown on the packing list. Exercise care when unpacking each unit. Make a visual inspection of each unit for evidence of damage incurred during shipment. If a claim for damage is to be made, save the shipping container to substantiate the claim

Antenna:

The Antenna will be marked with the manufacturer's part nwnber as follows:

MagnaStar

Part Number

902131-1

902131-2

Digital Handsets:

MagnaStar digital handsets, part numbers 724866-805XX, -806XX, -808XX, and -81 OX:)(. are shipped with a stronger spring and installation instructions. This spring is recommended for use in installations where the handsets are mounted horizontally. The spring is a stronger spring which will make removing the handset from the bezel easier. The part number for the spring is LC-O21AB-IOMW

Connector Kits:

The ARTU, AIU, CDBR-I, and CDBR-2 are shipped with connector kits. These connector kits are contained within the unit shipping package. The connector kits provide most of the connectors required to interface these units to other devices. Refer to section 3.3 of the Interface Control Document (ICD) in Appendix B of the MagnaStar Installation Manual for a list of connector kit parts.

C-2000 DIGITAL AIRBORNE TELEPHONE SYSTEM

Dorne & Margolin Inc.

Part Number

OM N124-19-1 OM N124-18-1

Description

6 Hole Antenna 4 Hole Antenna

The connector kits are also accompanied by a connector kit drawing. This document provides assembly instructions describing cable construction steps. Copies of these drawing can be found in section 4 of the MagnaStar Installation Manual.

ARTU Shipping Items:

Within the ARTU packaging, several items are shipped with the unit. The items are as follows:

- ARTU Connector Kit (pIN 744319-802).

- C-2000 User Guide.

- GTE Airfone Service Agreement.

- GTE Airfone Equipment Exchange Form.

AEA Warranty Registration Form.

Contains mating connectors for the ARTU. The C-2000 User Guide is to be provided to the customer. For additional copies call the StarLine. To be completed with the customer. See Dealers Manual for detailed information. Only required for ARTU equipment exchange after customer takes delivery of system. See Dealers Manual for detailed information. To be filled out by the customer and sent to the MagnaStar manufacturer.

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MAGNASTAR

C-2000 DIGITAL AIRBORNE TELEPHONE SYSTEM

CABLE CONSTRUCTION TECHNIQUES and CHECK-OUT

This section provides cable construction techniques for LAN (high speed data bus) cabling and gives instructions for the inspection of MagnaStar C-2000 cables before the installation of the MagnaStar C-

2000 equipment. Cable fabrication and installation is very important for successful performance of the

system. The fabrication of these cables requires the skill and attention required for any modem digital radio system installation. Therefore. special attention must be given to grounding and shield

concerns.

4.1

Cable requirements and special fabrication instructions are included in the Interface Control Document (ICD) in APPENDIX B of the MagnaStar Installation Manual. Also, connector kit drawings are included at

the end of this section. See paragraph 4.3. These drawings provide detailed cable construction

information for the ARTU, CDBR-1, CDBR-2 and AIU.

4.2

This section provides some basic instructions for inspecting the cable prior to installation of the

MagnaStar equipment.

Cable Construction Techniques

Cable Check-Out

ARTU Data, Inter-CDBR/AIU and Handset Cables

These cables should be verified for correct wiring prior to installation of MagnaStar equipment. Cable

check-out should include a visual inspection for bent or damaged connector pins. These cables should then be checked for proper interconnection. The required check list is:

SIGNAL CABLE INSTALLATION CHECK LIST a) Visually inspect cables for bent or damaged connector pins. b) Visually inspect for proper back shell installation. c) Continuity check for proper pin-to-pin interconnection between cable connectors. d) Check for open circuit condition between each pin and the back shell. e) Check for open circuit condition between each pin and all other connector pins. f) Continuity check from back shell to back shell for shield connection to connector back shells.

Notes:

1) An individual ARTU Data cable or Inter-CDBR cable cannot exceed a length of 50 feet.

2) The ARTU Data cable plus alllnter-CDBR cables cannot exceed 200 feet in total length.

3) The maximum length of the Handset cable cannot exceed 8 feet.

4) Reduce potential electrical interference problems by routing these cables away from high current aircraft cables.

5) Do not attach an Inter-CDBR cable for "growth". Install such cables as desired but do not connect to the last CDBR/AIU.

4.2.2

RF cables should be visually inspected for proper construction as well as correct interconnection. The

required check list is:

Coaxial RF Cables: Antenna, Transmit and Receive cables

RF CABLE CHECK LIST a) Visual inspection of cables for bent or damaged pins. b) Mechanically inspect cables to insure minimal movement between cable connector and coax

cable. c) Continuity check for center conductor interconnect between coax cable connectors. d) Continuity check for shield interconnection between coax cable connectors. e) Check for open circuit between center conductor and shield braid.

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Measure cable RF loss at 900 MHz if test equipment is available.

Note: The total RF cable path loss from the ARTU to the ANTENNA should not exceed 3 dB. The two

different RF paths include the combination of the Antenna and Receive cables or the Antenna and Transmit cables. The lengths of the RF cables are limited by this requirement.

C-2000 DIGITAL AIRBORNE TELEPHONE SYSTEM

Aircraft Power Cable

Prior to installation of the ARTU. verify the power cable installation for proper interconnection and correct

voltages. Calculate the voltage drop based on wire gauge and rated system current. Required check list

for this cable is:

POWER CABLE CHECK LIST a) Visually inspect cable for bent or damaged pins. b) Continuity check for proper pin-to-pin interconnection between cable connectors. c) Check for open circuit condition between each pin and the back shell. d) Check for open circuit condition between each pin and all other connector pins. e) Apply aircraft power to the Power Cable. Check for correct voltage on the proper pins. f) Check for ground connection on the proper pins. g) Check for the absence of ground or aircraft power on all other connector pins.

RJ-11 Cables

Prior to installation of a FAX or Modem to a Handset. check the RJ-11 cable for proper interconnection. A

required check list for this cable is:

a) Visually inspect cable for bent or damaged pins. b) Continuity check for proper pin-to-pin interconnection between cable connectors.

c) Check for open circuit condition between each pin and all other connector pins.

MagnaStar Maintenance Terminal (MMT Cable)

Note: Do not permanently connect the MMT cable to the ARTU. This connector port is for checkout and troubleshooting only. For normal operation, disconnect the MMT cable and replace

the dust cover on the ARTU MMT connector.

With the MMT cable connected. after power up. the ARTU will not start running its operational software until instructed to do so by the MMT unit.

4.3

The connector kit drawings provide detailed instructions for constructing the interface cabling using the

parts provided with an individual unit in the connector kit. The connector kit drawings are shipped with each unit and are provided in the installation manual for reference. The connector kit drawings included in the installation manual are as follows:

Connector Kit Drawings

744434 - TMU Connector Kit. use:

ARTU Connector Kit Drawing - 744319

743425 - AIU Connector Kit Drawing 744319 - ARTU Connector Kit Drawing 744321 - CDBR-1 Connector Kit Drawing 744428 - CDBR-2 Connector Kit Drawing

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MAGNASTAR

5.0

EQUIPMENT INSTAllATION

C-2000 DIGITAL AIRBORNE TELEPHONE SYSTEM

5.1 INDIVIDUAL EQUIPMENT INSTAllATION

After cable check-out. the aircraft is ready for the installation of the MagnaStar C-2000

equipment. The following check-out must be followed prior to application of aircraft power.

ANTENNA

a) The Antenna should be mounted to a paint free metal grounded surface. Ensure that

the screw contact (countersink) surface of the Antenna is free of paint. The screw threads must make metallic contact to the ground plane. The ground plane must extend at least one foot radially from the Antenna.

b) After installing the Antenna, measure the DC resistance between the Antenna and the

airframe. Bonding resistance must be less than 2.5 milliohms.

c) Check that the antenna cable to Antenna connection is mechanically secure.

d) Ensure that the minimum distance between the C-2000 antenna and any antenna for

equipment operating in the 800 Mhz to 1200 Mhz frequency band (e.g. DME, Transponder. TCAS) shall be 3 feet. minimum. The minimum distance between the C-2000 and any other antenna shall be two feet.

e) It should be noted that the MagnaStar system is a line of sight system that operates

with equipment located on the ground. The MagnaStar antenna should not be located in position that will be blocked by other mechanical devices in close proximity or easily shadowed when the aircraft maneuvers during flight.

5.1.2

a) After installing the duplexer. measure the DC resistance between the duplexer and the airframe. Bonding resistance must be less than 2.5 milliohms. b) Check the antenna cable. transmit cable. and receive cable connections to the

duplexer. during aircraft

tightened to 7

a) After ARTU Mounting Tray installation. measure DC resistance between the ARTU Mounting

Tray and the airframe. Resistance must be less than 2.5 milliohms.

b) Check the input and exit airflow paths from the fan in the ARTU Mounting Tray.

Airflow paths

ARTU

a) When installing the ARTU on the ARTU Mounting Tray, insure that the ARTU sits flat

on the

tray and that the ARTU fully engages the guide pins in the rear of the tray. b) Attach and tighten the turn-lock fasteners of the ARTU Mounting Tray to the ARTU. c) Connect the ARTU Data, Power, Transmit and Receive cables to the ARTU. Insure that

each of these connections is mechanically tight and secure to the ARTU. Connect the ARTU

DUPLEXER

These connections must be mechanically secure so they will not become loose vibration. The SMA connectors (transmit and receive connectors) should be in-ibs of torque if using a 620317-1 duplexer. ARTU MOUNTING TRAY

must be clear of any obstructions that could restrict cooling.

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MAGNASTAR

Tray cable.

d) Check that the dust cap is properly secured to the J3 connector (MMT) of the ARTU.

e) Verify that there are no airflow restrictions at the top of the ARTU. f) Verify that the Receive coaxial cable is connected from the Receive port (RCV - J4)

of the

ARTU to the Receive port (RCV - J3) of the Duplexer.

g) Verify that the Transmit coaxial cable is connected from the Transmit port (XMT - J5) of the

ARTU to the Transmit port (XMT - J1) of the Duplexer.

C-2000 DIGITAL AIRBORNE TELEPHONE SYSTEM

5-2 RevS

Raytheon IIS ARTU installation manual part one

Specifications and Main Features

Frequently Asked Questions

User Manual