Honeywell WLUWIFIM010 Users Manual

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Honeywell International Inc.

Redmond, WA 98073-9701

DRAWN

Patrick Ludwig

Wireless LAN Unit (WLU)

System Description and Installation Manual

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ENGR

Glenn Waddell

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1. INTRODUCTION ......................................................................................................................................................................... 4

2. REFERENCE DOCUMENTS .......................................................................................................................................................... 4

3. ACRONYMS AND ABBREVIATIONS............................................................................................................................................. 4

4. SPECIAL PRECAUTIONS .............................................................................................................................................................. 6

5. CUSTOMER ASSISTANCE ............................................................................................................................................................ 7

6. SYSTEM DESCRIPTION AND OPERATION .................................................................................................................................... 8

6.1. GENERAL ..................................................................................................................................................................................... 8

7. SYSTEM COMPONENTS ............................................................................................................................................................. 9

7.1. SYSTEM FUNCTIONAL DESCRIPTION .................................................................................................................................................. 9

7.1.1. TWLU Functional Description ........................................................................................................................................... 9

7.1.2. CWLU Functional Description .......................................................................................................................................... 9

7.2. COMPONENT DESCRIPTION ........................................................................................................................................................... 10

7.3. SYSTEM OPERATION .................................................................................................................................................................... 11

7.3.1. TWLU Operation ............................................................................................................................................................ 12

7.3.2. CWLU Operation ............................................................................................................................................................ 12

8. SYSTEM INTERFACES ............................................................................................................................................................... 13

8.1. HIGH LEVEL FUNCTIONALITY .......................................................................................................................................................... 13

8.1.1. Wireless Interface .......................................................................................................................................................... 13

8.1.2. Protocol .......................................................................................................................................................................... 13

8.1.3. Data Rate ....................................................................................................................................................................... 13

8.1.4. Frequency Assignment ................................................................................................................................................... 13

8.1.5. Power Input.................................................................................................................................................................... 13

8.1.6. Ethernet ......................................................................................................................................................................... 13

8.2. DISCRETE INTERFACES .................................................................................................................................................................. 13

8.3. POSITION PIN DISCRETES .............................................................................................................................................................. 14

8.4. ANTENNA .................................................................................................................................................................................. 14

8.5. ELECTRICAL SPECIFICATIONS .......................................................................................................................................................... 14

8.5.1. Main Connector ............................................................................................................................................................. 15

8.5.2. Signals, Power and Ground ............................................................................................................................................ 15

9. MECHANICAL INSTALLATION ................................................................................................................................................... 16

9.1. GENERAL ................................................................................................................................................................................... 16

9.2. EQUIPMENT AND MATERIALS ........................................................................................................................................................ 17

10. ELECTRICAL INSTALLATION .................................................................................................................................................. 17

10.1. GENERAL ................................................................................................................................................................................... 17

10.2. POWER REQUIREMENTS ................................................................................................................................................................ 17

10.2.1. DC Power........................................................................................................................................................................ 18

10.2.2. Ground Requirements .................................................................................................................................................... 18

11. ANTENNA INSTALLATION .................................................................................................................................................... 18

11.1. GENERAL ................................................................................................................................................................................... 18

12. FAULT ISOLATION................................................................................................................................................................ 19

12.1. GENERAL ................................................................................................................................................................................... 19

12.2. FAULT DETECTION ....................................................................................................................................................................... 19

13. DATA LOADING ................................................................................................................................................................... 20

13.1. GENERAL ................................................................................................................................................................................ 20

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Table of Figures

FIGURE 6-1 WIRELESS LAN UNIT ............................................................................................................................................................ 8

FIGURE 6-2 WLU SYSTEM DIAGRAM ....................................................................................................................................................... 9

FIGURE 8-1 LRU CONNECTOR (J1) PHYSICAL PINOUT ......................................................................................................................... 15

FIGURE 9-1 MECHANICAL OUTLINE OF WLU ......................................................................................................................................... 17

FIGURE 11-1 EXAMPLE ERP OF THE WLU WITH SENSOR SYSTEM WI-FI ANTENNA .......................................................................... 19

Table of Tables

TABLE 2-1 GOVERNMENT AND REGULATORY DOCUMENTS ..................................................................................................................... 4

TABLE 2-2 INDUSTRY STANDARDS OR SPECIFICATIONS .......................................................................................................................... 4

TABLE 3-1 ACRONYMS AND ABBREVIATIONS ........................................................................................................................................... 4

TABLE 7-1 COMPONENTS/PARTS NOT SUPPLIED BY HONEYWELL .......................................................................................................... 9

TABLE 7-2 WLU LEADING PARTICULARS ............................................................................................................................................... 10

TABLE 7-3 ENVIRONMENTAL CATEGORIES ............................................................................................................................................. 10

TABLE 7-4 POWER AND EMC CATEGORIES ........................................................................................................................................... 10

TABLE 7-5 FCC LICENSE ........................................................................................................................................................................ 11

TABLE 8-1 WLU POSITION PIN FUNCTIONS ........................................................................................................................................... 14

TABLE 8-2 CONNECTOR NAMES AND PART NUMBERS FOR WLU ......................................................................................................... 15

TABLE 8-3 LRU CONNECTOR (J1-B) PIN ASSIGN ................................................................................................................................. 15

TABLE 8-4 J1-A QUADRAX INSERT POSITIONS ...................................................................................................................................... 16

TABLE 8-5 J1-A INSERT QUADRAX PINOUT ........................................................................................................................................... 16

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1. INTRODUCTION

Publication Number

Document Title

Title 14 CFR

Code of Federal Regulations Title 14 Program Regulations

Title 47 CFR

Code of Federal Regulations Title 47 which contains Federal Communication
Commission Part 15, 22, and 24

Title 29 CFR

Code of Federal Regulations Title 29 Program Regulations

Publication Number

Document Title

ARINC-664

Aircraft Data Network

ARINC-763-2

Network Server System

IEEE 802.11

Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications.
1999

IEEE 802.11b

Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications:
Higher-Speed Physical Layer Extension in the 2.4 GHz Band. 1999

IEEE 802.11d

Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications:
Amendment 3: Specification for operation in additional regulatory domains. June 14, 2001

IEEE 802.11g

Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications:
Amendment 4: Further Higher Data Rate Extension in the 2.4 GHz Band
June 12, 2003

IEEE 802.11i Draft 3.0

Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications:
Specifications for Enhanced Security. November 2003

RTCA DO-160D

Environmental Conditions and Test Procedures. July 1997, Change 1 December 2000, Change 2
June 2001, Change 3 December 2002

RTCA/EUROCAE
DO-178B/ED-12B

Software Considerations in Airborne Systems and Equipment Certification
December 1, 1992

Wi-Fi Protected Access
Version 2.0

WPA Implemented Features of IEEE 802.11i Draft 3

Abbreviation

Definition

ACARS

Aircraft Communication Addressing and Reporting System

AEEC

Airlines Electronic Engineering Committee

AMG

ACARS Messaging over Gatelink

AMI

Airline Modifiable Information

ARINC

Aeronautical Radio, Incorporated

BITE

Built-In Test Equipment

CDU

Control Display Unit

CFR

Code of Federal Regulations

CIS

Crew Information System

CMCF

Central Maintenance Computer Function

CMU

Communications Management Unit

COTS

Commercial Off The Shelf

CRN

Current Return Network

CWLU

Crew Wireless LAN Unit

This manual gives installation instructions and theory of operation for the Wireless LAN Unit (WLU), part
number 965-1702-001. It also provides interface information and interconnects diagrams to permit a general
understanding of the overall system.

The purpose of this manual is to help the user install, operate, maintain, and troubleshoot the WLU in the
aircraft. Common system maintenance procedures are not presented in this manual. The best established
shop and flight line practices should be used.

2. REFERENCE DOCUMENTS

Table 2-1 Government and Regulatory Documents

Table 2-2 Industry Standards or Specifications

3. ACRONYMS AND ABBREVIATIONS

Table 3-1 Acronyms and Abbreviations

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dB

Decibel

DiffServ

Differentiated Services (IP)

DSSS

Direct-sequence-spread-spectrum

EAP

Extensible Authentication Protocol

ESD

Electrostatic discharge

FAA

Federal Aviation Administration

FCC

Federal Communications Commission

FL

Flight Level

FSM

File Server Module

FTS

File Transfer Service

GDLM

Gatelink Dataloading Manager

HIRF

high intensity radiated electromagnetic frequencies

IEEE

Institute of Electrical and Electronic Engineers

IP

Internet Protocol

IPSec

IP Security

ISM

Industrial, Scientific and Medical

ISP

Internet Service Provider

JTAG

Joint Test Action Group

LAN

Local Area Network

LED

Light emitting diode

LRU

Line-Replaceable-Unit

LSAP

Loadable Software Airplane Part

MAC

Medium Access Control

MCDU

Multi-purpose Control & Display Unit

MS

Maintenance System

NAT

Network Address Translation

OHMF

On-board Health Management Function

OMS

On-board Maintenance System

PAT

Port Address Translation

PCS

Personal Communication Service

PHY

Physical Layer

QARF

FOQA Data Download

RADIUS

Remote Authentication Dial In User Service

RAM

Random Access Memory

RF

Radio Frequency

RPDU

Remote Power Distribution Unit

RTCA

Radio Technical Commission for Aeronautics

SDRAM

Synchronous Dynamic Random Access Memory

S.I.

Standard International

SMA

SubMiniature version A

SW

Software

TCP

Transport Control Protocol

TLS

Transport Layer Security

TNC

Threaded Neill-Concelman

TOS

Type of Service (IP)

TWLU

Terminal Wireless LAN Unit

UDP

User Datagram Protocol

uP

Microprocessor

VAC

Volts AC

VDC

Volts DC

VPN

Virtual Private Network

WLAN

Wireless Local Area Network

WLU

Wireless LAN Unit

Wi-Fi

Wireless Fidelity (Alliance)

WPA

Wi-Fi Protected Access

WPA2

Wi-Fi Protected Access 2

WOW

Weight on Wheels

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4. SPECIAL PRECAUTIONS

Warnings, cautions, and notes in this manual give the data that follows:

A WARNING is an operation or maintenance procedure or condition, which, if not obeyed, can cause

injury or death.

A CAUTION is an operation or maintenance procedure or condition, which, if not obeyed, can cause

damage to the equipment.

A NOTE gives data to make the work easier or gives directions to go to a procedure.

All personnel who operate and do maintenance on the WLU and applicable test equipment must know and
obey the safety precautions. The warnings and cautions that follow apply to all parts of this manual:

WARNING: HIGH VOLTAGES MAY BE PRESENT ON SYSTEM INTERCONNECT CABLES. MAKE SURE
THAT SYSTEM POWER IS OFF BEFORE YOU DISCONNECT LRU MATING CONNECTORS.

CAUTION: THE SYSTEM CONTAINS ITEMS THAT ARE ELECTROSTATIC DISCHARGE SENSITIVE
(ESDS). IF YOU DO NOT OBEY THE NECESSARY CONTROLS, A FAILURE OR UNSATISFACTORY
OPERATION OF THE UNIT CAN OCCUR FROM ELECTROSTATIC DISCHARGE. USE APPROVED
INDUSTRY PRECAUTIONS TO KEEP THE RISK OF DAMAGE TO A MINIMUM WHEN YOU TOUCH,
REMOVE, OR INSERT PARTS OR ASSEMBLIES.

WARNING: THIS EQUIPMENT HAS BEEN TESTED AND FOUND TO 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, MAY 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 AT HIS OWN EXPENSE.

WARNING: THIS EQUIPMENT HAS BEEN TESTED AND FOUND TO COMPLY WITH THE LIMITS FOR A
CLASS A DIGITAL DEVICE, PURSUANT TO PART 15 OF THE FCC RULES. ACCORDING TO FCC PART

15.203, THE DEVICE AND ANTENNAS MUST BE PROFESSIONALLY INSTALLED ACCORDING TO
THESE INSTRUCTIONS OUTLINED IN THIS DOCUMENT. THE ANTENNAS OUTLINED IN THIS
DOCUMENT MUST BE USED WHEN INSTALLING THE EQUIPMENT. OTHERWISE, THIS DEVICE MAY
CAUSE HARMFUL INTERFERENCE TO RADIO COMMUNICATIONS.

NOTE: THE TESTS IN THE FAULT ISOLATION SECTION SHOULD BE DONE BEFORE THE UNIT IS
DISASSEMBLED. THESE TESTS CAN TELL THE CONDITION OF THE WLU OR MOST PROBABLE
CAUSE OF ANY MALFUNCTION. SHOULD ANY MALFUNCTION OCCUR, REPAIR AS NECESSARY.

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