Motorola LA-5137 Guida rapida alla configurazione

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LA-5137 Compact Flash Adapter

Integration Guide

MOTOROLA and the Stylized M Logo are registered in the US Patent & Trademark Office. Symbol is a registered

trademark of Symbol Technologies, Inc. All other product or service names are the property of their respective owners.

Introduction

1.1 Legal Statement

THE INFORMATION IN THIS GUIDE IS PROVIDED “AS IS” WITHOUT ANY EXPRESS OR IMPLIED WARRANTY

OF ANY KIND INCLUDING WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT OF INTELLECTUAL

PROPERTY, OR FITNESS FOR ANY PARTICULAR PURPOSE. IN NO EVENT SHALL MOTOROLA BE LIABLE FOR

ANY DAMAGES WHATSOEVER (INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS OF PROFITS,

BUSINESS INTERRUPTION, LOSS OF INFORMATION) ARISING OUT OF THE USE OF OR INABILITY TO USE

THE INFORMATION IN THIS GUIDE, EVEN IF MOTOROLA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH

DAMAGES. BECAUSE SOME JURISDICTIONS PROHIBIT THE EXCLUSION OR LIMITATION OF LIABILITY FOR

CONSEQUENTIAL OR INCIDENTAL DAMAGES, THE ABOVE LIMITATION MAY NOT APPLY TO YOU.

Motorola further does not warrant the accuracy or completeness of the information, text, graphics, or other

items contained within this guide. Motorola may make changes to this guide, or to the products and/or

Software described therein, at any time without notice. Motorola makes no commitment to update the

Information.

1.2 Background

The LA-5137 is the next generation CF client card for embedded solutions and is intended for OEM

customers.

1.3 Purpose

The purpose of this document is to define the functional characteristics (electrical, mechanical, software

interfaces) of the LA-5137 CF Card and provide regulatory information helpful to OEM customers to integrate

or embed the CF card in a variety of systems.

1.4 LA-5137 Part Numbers

The LA-5137 Card is available in two SKUs:

Part Number SKU

LA-5137-1002-WWR 802.11a/g External Antenna Version

LA-5137-1020-WWR 802.11a/g Internal Antenna Version

1-2 LA-5137 Compact Flash Adapter Integration Guide

1.5 Key Features and Standards

The LA-5137 CF Card supports all required modes of operation as an 802.11a/b/g Mobile Unit (MU). In

802.11g mode, the radio supports three different modulation modes: Legacy 1 and 2 Mbps, Complimentary

Code Keying (CCK), and Orthogonal Frequency Division Multiplexing (OFDM). The radio supports the

following 12 data rates in 802.11b/g mode:

In addition to supporting 802.11g, LA-5137 supports all required modes of operation as an 802.11a mobile

unit. This radio supports the following 8 data rates in 802.11a mode:

The LA-5137 CF Card supports station operation in Continuous Aware Mode (CAM) and Fast Power-Save and

Max Power-Save modes.

Other features and standards supported:

• 802.11a/b/g

• 802.11d

• Robust roaming and dynamic rate switching

Data Rate (Mbps) Modulation

1DBPSK

2DQPSK

5.5 CCK

6 OFDM with BPSK Carrier Modulation

9 OFDM with BPSK Carrier Modulation

11 CCK

12 OFDM with QPSK Carrier Modulation

18 OFDM with QPSK Carrier Modulation

24 OFDM with 16QAM Carrier Modulation

36 OFDM with 16QAM Carrier Modulation

48 OFDM with 64QAM Carrier Modulation

54 OFDM with 64QAM Carrier Modulation

Data Rate (Mbps) Modulation

6 OFDM with BPSK Carrier Modulation

9 OFDM with BPSK Carrier Modulation

12 OFDM with QPSK Carrier Modulation

18 OFDM with QPSK Carrier Modulation

24 OFDM with 16QAM Carrier Modulation

36 OFDM with 16QAM Carrier Modulation

48 OFDM with 64QAM Carrier Modulation

54 OFDM with 64QAM Carrier Modulation

Introduction 1-3

• Range up to 300 ft./91m in standard office environments (1Mbps connectivity)

• Data security using WEP data encryption and Wireless Protected Access (WPA) and 802.11i (WPA2)

with Advanced Encryption Standard (AES)

• Advanced authentication using 802.1x

• Advanced Power Management for very low power consumption

• 16 bit host interface using CF mode (16 bit PC-Card® Interface)

• Driver/Firmware supports Linux 2.4 and Windows CE Embedded 5.0

1.6 User Profiles

The intended user-base for the LA-5137 includes:

• The LA-5137 product is optimized for embedded, mobile enterprise, and industrial applications

where security, feature, and technical service are required.

• Mobile workers in health care, education, retail, manufacturing, hospitality and other industries with

802.11a, 802.11b, and 802.11g wireless LAN access.

• Corporate Motorola device users with Wi-Fi wireless LAN access at the office, or with a subscription

to a public wireless LAN.

1-4 LA-5137 Compact Flash Adapter Integration Guide

Architecture

2.1 System Architecture

The LA-5137 is a modified type 1 CFA card. The LA-5137 Compact Flash Adapter CF card consists of all of the

integrated circuits necessary to provide WLAN transceiver functionality for the 2.4GHz and 5 GHz bands. The

Wireless LAN integrated Media Access Controller with Baseband processor directly interfaces with the Dual

Band Direct Conversion transceiver. With the addition of RF Front-end Module (FEM), the LA-5137 Compact

Flash Adapter card incorporates the WLAN chip set solution compliant with 802.11a/b/g standards.

Figure 2.1 Top-level LA-5137 CF Card architecture

The 40MHz crystal controlled clock provides the necessary clocks for both the PLL and the baseband & MAC

chip. The SDRAM provides additional memory to support SHoC (Self Hosted Client) operation. Not shown in

Figure 2.1 are the necessary voltage regulators that provide various supply voltages for the chips. The

regulators require 3.3V input supply.

The EEPROM is used to hold radio information including radio calibration information done at the automatic

manufacturing test step.

2-2 LA-5137 Compact Flash Adapter Integration Guide

2.2 Hardware Environment

2.2.1 Introduction

The LA-5137 CF card can be used in handheld mobile devices to provide wireless network access. It

communicates using Radio Frequencies (RF) between two or more users or between a user and the wired

network. The module implements the IEEE 802.11a/g physical (RF) specification. The chipset used provides

for modulation, demodulation, spreading, and despreading of the RF signals.

2.2.2 Card Dimensions

The LA-5137 is a modified type 1 CFA card. See Appendix A, Product Mechanical Interface Drawing for

Mechanical Interface Drawing.

2.2.3 Card Physical

2.2.3.1 Operational Environment

NOTE: The product is not required to be powered during test activities. Only parameters marked by an *

shall be powered during testing. Testing per Symbol Qualification Test Standard SS-03800-74.

• 0 to +55 degrees C max operating* (card installed environment)

• 95% RH non-condensing*

• Altitude to withstand 8,000 ft @ 28 degrees Celsius*

• Vibration to withstand .02g2/Hz, random, sine, 20-2k Hz

• Bench drop 36 inches to concrete @ -20, 23, 50 degrees Celsius

• Mechanical shock to withstand 50 G peak, 11 ms, half sine

• No water/rain/insect resistance (Damp cloth cleaning OK)

• No chemical resistance (Light cleaning solutions OK)

• Loose cargo/packaged to withstand 6 foot drop

• ESD to withstand 1.5KV contact per PCMCIA/CF Specification

2.2.3.2 Storage Environment

• -20 to +65 degrees C temperature range

• 95% RH non-condensing humidity

• Altitude to withstand 15,000 feet

2.2.4 Antenna Connectors (non embedded antenna)

The LA-5137-1002-WWR CF card (External Antenna Version) supports 2 RF connector (Hirose U.FL-R-SMT, or

equivalent). The antennas can be attached to the card through the connectors. There are two connectors on

the LA-5137-1002-WWR unit.

Architecture 2-3

NOTE: Antenna sharing with other radio modules is not supported on the LA-5137.

2.2.5 Antenna Requirements

For detailed antenna requirements, refer Chapter 7, Antenna Requirements (External Antenna).

NOTE: Regulatory Note: Many country regulations require special testing and reporting of antenna

performance or of the system with the antenna attached. Please check the appropriate regulatory

authority or contact Motorola for more information.

2.2.6 TX and RX Diversity

TX and RX diversity is only supported on the connector version of LA-5137 (LA-5137-1002-WWR).

2.2.7 Operating Channels

Table 2.1 IEEE 802.11g Channels

Channel

Number

Channel

Frequency

(MHz) Countries

1 2412 USA, Canada, EU, Japan

2 2417 USA, Canada, EU, Japan

3 2422 USA, Canada, EU, Japan

4 2427 USA, Canada, EU, Japan

5 2432 USA, Canada, EU, Japan

6 2437 USA, Canada, EU, Japan

7 2442 USA, Canada, EU, Japan

8 2447 USA, Canada, EU, Japan

9 2452 USA, Canada, EU, Japan

10 2457 USA, Canada, EU, Japan

11 2462 USA, Canada, EU, Japan

12 2467 EU, Japan

13 2472 EU, Japan

14 2484 Japan

2-4 LA-5137 Compact Flash Adapter Integration Guide

UNII Band Channel

Number

Channel

Frequency (MHz) Countries

240 4920 Japan

244 4940 Japan

248 4960 Japan

252 4980 Japan

5040 Japan

5060 Japan

5080 Japan

Lower Band

34 5170 Japan

36 5180 USA, Canada, EU, Japan

38 5190 Japan

40 5200 USA, Canada, EU, Japan

42 5210 Japan

44 5220 USA, Canada, EU, Japan

46 5230 Japan

48 5240 USA, Canada, EU, Japan

Middle Band

52 5260 USA, Canada, EU, Japan

56 5280 USA, Canada, EU, Japan

60 5300 USA, Canada, EU, Japan

64 5320 USA, Canada, EU, Japan

100 5500 USA, Canada, EU, Japan

104 5520 USA, Canada, EU, Japan

108 5540 USA, Canada, EU, Japan

112 5560 USA, Canada, EU, Japan

116 5580 USA, Canada, EU, Japan

120 5600 USA, Canada, EU, Japan

124 5620 USA, Canada, EU, Japan

128 5640 USA, Canada, EU, Japan

132 5660 USA, Canada, EU, Japan

136 5680 USA, Canada, EU, Japan

140 5700 USA, Canada, EU, Japan

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