Sierra Wireless OEM3, OEM2 User Manual

Sierra Wireless

SB300 Series OEM Modems

User’s Guide

2110059 Rev B

Preliminary

December 1998

OEM Developer’s Tool ki t Proprietar y and Confidential User’s Guide

Important Notice

Because o f t he natur e of wireless c om munications, transmission and recep t ion of data can never be guaranteed . Data may be delayed, corrupted (i.e., have errors) or be totally lost. Although significant delays or losses of data are rare when wireless devices such as the Sierra Wireless modem are used in a normal manner with a well-constructed networ k , the Sierra Wireless mod em should n ot be used in situa ti ons where fa ilure to tr ansmit or r eceive data could result in damage of any kind to the user or any other party, including but not limited to personal injury, death, or loss of prop er ty. Sierra Wireless, Inc., accep ts no res p onsibili ty for damag es of any kind r es u lting fr om delays or errors in data transmit ted or received u sing the Sierra Wire less modem , or for failur e of the Sierra Wireless m od em to tran sm it or receive such data.

Safety and Hazards

Do not operate the Sierra Wireless modem in areas where blasting is in progress, where explosive atmospheres may be present, near medical equipment, near life support equipment, or any equipment which may be susceptible to any form of radio int erference. In such areas, the Sierra Wireless modem MUST BE TURNED OFF. The Sierra Wireless modem can transmit signals that could interfere with this equ ipment.

Do not operate the Sierra Wireless modem in any aircraft, whether the aircraft is on the ground or in flight. In aircraft, the Sierra Wireless modem MUST BE TURNED OFF. When operating, the Sierra Wireles s mod em can tran sm it signals th at could interfere with vari ou s onboard system s .

The driver or operator of any vehicle should not operate the Sierra Wireless modem while in control of a vehicle. Doing so will detract from the driver or operator’s control and operation of that vehicle. In some states and provinces, oper ating s u ch communications devi ces while in control of a vehicle is an offence.

Patent s

Portions of this product are covered by some or all of the following US patents: D367062, D372248, D372701, 5515013, 5617106, 5629960, 5682602, 5748449, and other patents pending.

No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior permission of the publisher.

The information in this manual is subject to change without notice and does not represent a commitment on the part of Sierra Wireless, Inc. Sierra Wireless, Inc. shall not be liable for incidental or consequential damages resulting from the furnishing, performance, or use of this manual.

™

The Watcher

rights reserved.

Trademarks

Watcher™ and WirelessExpert™ are trad emarks of Sier ra Wirel es s , Inc.

Wind ows Hayes All other brand or product names, logos, trademarks, etc. mentioned in this manual are owned by their respective

companies.

and M icrosoft® are reg istered tra demarks of Mi crosoft Corporation.

™

is a tra d emark of Hayes Mi crocomputer Prod u cts, Inc.

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Regulatory Information

The equipment certifications appropriate to your device are marked on the device and the accompanying product specific information. Where appropriate, the use of the equipment is subject to the following conditions:

CAUTION

Unauthorized modifications or changes not expressly approved by Sierra Wireless, Inc. could void compliance with regulatory rules, and thereby your authority to use this equipment.

WARNING (EMI) - United States FCC Information

This equipment has been tested and found to comply with the Class B limits pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in an appropriate installation. This equipment generates, use s , and c an radiate r adio f r eque ncy energy and, if not i nstalled a nd use d i n accordance with the instructions, may cause harmful interference to radio communication. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

•

Reorient or relocate the receiving antenna

•

Increase the separ ation b etween the equipment and re ceiver

•

Connect the equipment into an outlet on a circuit different from that to which the receiver is connected

•

Consult the dealer or an experienced radio/TV technician for help

WARNING (EMI) – Canada

This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus as set out in the interference causing equipment standard entitled 'Digital Apparatus', ICES-003 of the Department of Communications.

Cet appareil numérique respecte les limites de bruits radioélectriques applicables aux appareils numériques de Classe B prescrites dans la norme sur le matériel brouilleur: 'Appareils Numériques', NHB-003 édictée par le ministre des Communications.

RSA Licensee

If you have purchased this product under a United States Government contract, it shall be subject to restrictions as set forth in subparagraph (c)(1)(ii) of Defense Federal Acquisitions Regulations (DFARs) Section 252.227-7013 for Department of Defense contracts, and as set forth in Federal Acquisitions Regulations (FARs) Section 52.227-19 for civilian agency contracts or any successor regulations. If further government regulations apply, it is your responsibility to ensure compliance with such regulations.

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Contact Information

Sierra Wireless, Inc. Telephone: (604) 231-1100 13575 Commerce Parkway Fax: (604) 231-1109 Suite 150 Richmond, BC e-mail: support@sierrawireless.com V6V 2L1 Web: www.sierrawireless.com

Customer Service

Help Desk

Open bet we en 6:00 a.m. and 5:00 p.m . Pacific Ti me

(604) 231-1128

Warranty and Service Desk

Open between 8:00 a.m. and 5:00 p.m. PT

(604) 231-1157

support@SierraWireless .com

Sales Desk

Open between 8:00 a.m. and 5:00 p.m. PT

(604) 231-1100

sales@SierraWireless.com

Web

Consult our webpage for

up-to-date product descriptions, documentation,

application notes, firmware upgrades,

troubleshooting tips, and press releases:

wwwwww..SSiieerrrraaWWiirreelleessss..ccoom

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Contents

1. About this Guide............................................................................1

1.1. Introduction......................................................................................................1

1.1.1. Hardware........................................................................................... 1

1.1.2. Software............................................................................................ 1

1.2. References......................................................................................................... 1

1.3. Currency...........................................................................................................1

1.4. Document Structure .......................................................................................... 1

1.4.1. Modem Operations.............................................................................2

1.5. Conventions Used in this Reference..................................................................2

2. Product Descriptions....................................................................3

2.1. Specifications Common to All Modems............................................................ 3

2.1.1. Application Interface Specifications...................................................3

2.1.2. RF Features........................................................................................3

2.1.3. Special Features................................................................................. 4

2.1.4. Environmental Specifications............................................................. 4

2.2. SB300 CDPD Modem........................................................................................5

2.2.1. Mechanical........................................................................................5

2.2.2. Connectors......................................................................................... 5

2.2.3. Power Specifications.......................................................................... 6

2.2.4. Electrical ........................................................................................... 6

2.3. SB301 Specifications ......................................................................................... 9

2.4. SB302 Specifications ....................................................................................... 10

2.4.1. Mechanical...................................................................................... 10

2.4.2. Connectors....................................................................................... 10

2.4.3. Power Specifications........................................................................ 11

2.4.4. Electrical ......................................................................................... 11

2.5. SB320 Specifications ....................................................................................... 13

2.5.1. Mechanical...................................................................................... 13

2.5.2. Connectors....................................................................................... 13

2.5.3. Power Specifications........................................................................ 14

2.5.4. Electrical ......................................................................................... 14

2.5.5. SB320 Communication Mode Specifications.................................... 18

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3. Multipurpose Interface Board .................................................... 19

3.1. Introduction .....................................................................................................19

3.1.1. Features ............................................................................................19

3.2. Board Description............................................................................................19

3.2.1. Schematic.........................................................................................19

3.2.2. Parts Layout......................................................................................19

3.3. Power Supply ...................................................................................................20

3.3.1. Voltage Adjustment..........................................................................20

3.3.2. Using Power from Host (DTE)..........................................................20

3.4. Connections......................................................................................................20

3.4.1. PC Host (DTE) RS-232 Serial Connection ........................................20

3.4.2. Host (DTE) Connection for SB301 / SB302 ......................................21

3.4.3. Protocol Analyzer Connection...........................................................21

3.4.4. SB300 / SB320 Modem Connection.................................................. 21

3.4.5. SB301 / SB302 Modem Connection.................................................. 22

3.4.6. SB220 Modem Conneciton...............................................................23

3.5. Jumpers............................................................................................................23

3.5.1. Main Jumper Block...........................................................................23

3.5.2. Power Select.....................................................................................23

3.5.3. SPK EN – Speaker Enable ................................................................ 24

3.6. Serial B reakout Bo x.........................................................................................24

3.6.1. DIP Switch.......................................................................................24

3.6.2. Serial Connec tion Indicators.............................................................24

3.7. Test Points........................................................................................................24

3.7.1. TP1 DISC.........................................................................................24

3.7.2. TP2..................................................................................................24

3.7.3. TP3..................................................................................................24

3.7.4. TP4 KEY..........................................................................................25

3.7.5. Current Measurement........................................................................25

3.8. Applications.....................................................................................................25

3.8.1. Initial Setup...................................................................................... 25

4. Getting Started............................................................................ 27

4.1. Introduction .....................................................................................................27

4.2. Registration......................................................................................................27

4.2.1. CDPD...............................................................................................27

4.2.2. CSC (AMPS)....................................................................................28

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4.3. Setup Considerations...................................................................................... 28

4.3.1. Host Computer Terminal.................................................................. 28

4.3.2. Physical considerations....................................................................28

4.3.3. Antenna considerations .................................................................... 28

4.4. MIB Presets.....................................................................................................29

4.5. Connections..................................................................................................... 29

5. Software Installation....................................................................31

5.1. Introduction....................................................................................................31

5.2. Installing Software on the Host.......................................................................31

5.2.1. Configuration using WirelessExpert.................................................31

5.3. Using Watcher for Remote Connections......................................................... 32

5.3.1. Configuring Watcher........................................................................ 32

5.3.2. Configuring Cellular Settings using Watcher .................................... 33

5.3.3. Starting and Quitting Watcher..........................................................33

5.3.4. About the Watcher Program Window............................................... 34

5.3.5. Watcher Menus and Commands....................................................... 34

5.3.6. Toolbar Buttons...............................................................................35

5.3.7. Status Indicators...............................................................................35

5.3.8. Updating Status Indicators................................................................ 35

5.3.9. Icon Status....................................................................................... 36

6. Basic Modem Operation..............................................................37

6.1. Introduction....................................................................................................37

6.2. Modem Modes and States............................................................................... 37

6.2.1. Modes.............................................................................................. 37

6.2.2. States............................................................................................... 37

6.2.3. Conditions ....................................................................................... 37

6.3. Modem Communications with the Host (DTE).............................................. 38

6.4. DTE Communication Options........................................................................38

6.4.1. DTR Signal Handling....................................................................... 38

6.4.2. DSR Signal Control..........................................................................39

6.4.3. Local Flow Control.......................................................................... 39

6.5. Result Code Formats....................................................................................... 39

7. CDPD Mode..................................................................................41

7.1. CDPD Introduction......................................................................................... 41

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7.2. Configuring NEI Entries.................................................................................41

7.2.1. NEI Table.........................................................................................41

7.3. CDPD Network Registration...........................................................................42

7.3.1. Active and Auto-register NEI Indices................................................42

7.3.2. Manual Registration..........................................................................43

7.3.3. Automatic Registration.....................................................................44

7.3.4. De-registration..................................................................................44

7.4. Monitoring the Connection..............................................................................44

7.4.1. Radio Signal Monitors......................................................................44

7.4.2. Registration Status............................................................................45

7.5. Serial Line Interface Protocol (SLIP)..............................................................45

7.5.1. Configuring a SLIP Session..............................................................45

7.5.2. Using a SLIP Session........................................................................45

7.5.3. Ending a SLIP Session ......................................................................46

7.6. User Datagram Protocol (UDP)....................................................................... 46

7.6.1. Configuring a UDP Session...............................................................47

7.6.2. Using a UDP Session........................................................................ 47

7.6.3. Broadcast and Mu lticast....................................................................47

7.6.4. Ending a UDP Session......................................................................48

7.7. Transmission Control Protocol (TCP).............................................................48

7.7.1. SB300 Series TCP Capability............................................................48

7.7.2. Friends Only.....................................................................................48

7.7.3. Configuring a TCP Session...............................................................48

7.7.4. Using a TCP Se ssion.........................................................................48

7.7.5. Ending a TCP Sessio n.......................................................................49

7.8. Auto-answer.....................................................................................................49

7.9. Sleep Mode.......................................................................................................49

8. CSC Mode.................................................................................... 51

8.1. Introduction .....................................................................................................51

8.2. Configuring the Modem for CSC.................................................................... 51

8.2.1. Pro g r ammi ng the mo d em phone number...........................................51

8.2.2. Confirm that modem is registered with cellular carrier.......................51

8.3. Make a modem call.......................................................................................... 51

8.4. Optimizing Data Performance (for experienced user’s).................................51

8.4.1. CSC Configuration ...........................................................................51

8.4.2. Landline Side....................................................................................52

8.4.3. SB220..............................................................................................52

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8.4.4. Test set-up.......................................................................................52

8.5. Modem Pools................................................................................................... 54

9. Wireline Operation....................................................................... 55

9.1. Introduction....................................................................................................55

9.1.1. Hardware......................................................................................... 55

9.2. Configuring with Watcher.............................................................................. 55

9.3. Internet, TCP, UDP conn ect ions.....................................................................55

10. Troubleshooting..........................................................................57

10.1. Introduction..............................................................................................57

10.2. General Modem Problems........................................................................57

10.3. General Communication Problems.......................................................... 57

10.4. CDPD Problems........................................................................................58

10.5. CSC Problems .......................................................................................... 58

10.6. Wireline Problems.................................................................................... 58

11. Appendix A – Wireless Communication ....................................59

11.1. Introduction..............................................................................................59

11.2. Cellular Digital Packet Data (CDPD) ...................................................... 59

11.2.1. Security............................................................................................59

11.2.2. Architecture..................................................................................... 59

11.2.3. Modem Registration......................................................................... 60

11.2.4. CDPD Radio Coverage..................................................................... 61

11.3. Circuit Switched Cellular (CSC).............................................................. 61

11.3.1. Modem Registration......................................................................... 61

11.3.2. CSC Radio Coverage....................................................................... 62

11.3.3. Enhanced Throughput Cellular (ETC) .............................................. 62

11.3.4. Modem Pools ................................................................................... 63

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1. About this Guide

1.1. Introduction

This guide is intended to assist application software developers with the setup, installation, testing, and design of applications for the Sierra Wireless SB300 Series OEM modems. You should be familiar with the use of modems, communication media (PSTN and Cellular), protocols, and the use of AT commands.

This guide describes the full feature set, so some sections may not apply to the particular model you are using. Consult the Product Descriptions below for a summary of the features available on each product.

1.1.1. Hardware

This guide provides product descriptions of the SB300 Series OEM modems. More complete information for the physical integration of the modem is provided in the Sierra Wireless SB300 Series OEM Modems Integrator’ s Gu i de, document number 2110052.

A full description of the Multipurpose Interface Board provided with the OEM Developer’s Toolkit is included in this guide.

1.1.2. Software

Installation and use of the application software Watcher™ and WirelessExpert™ is described in this guide.

Use of a terminal application for initial setup and testing of a modem may be required. Terminal emulation software is not provided nor desc ribe d in this guide.

1.2. References

For information on the physical installation and integration of an SB300 Series modem, consult the Sierra Wireless SB300 Series OEM Modems AT Comm and Reference, docu ment number 2110031. For details of specific uses for these commands, refer to

Application Notes

Details on the physical integration of the SB300 Series modems is provided in the Sierra Wireless SB300 Series OEM Modems Integrator’s Guide, document number 2110052.

available on our Internet site at www.sierrawireless.com.

1.3. Currency

This document is current with modem firmware version <???>. For up d ates to firm ware, cons ul t our Internet site at www.sierrawireless.com.

1.4. Document Structure

This document covers the hardware view first in two chapters, one describing the modem products and one describing the Multipurpose Interface Board (MIB) used to test and configure the modem during product development.

Sierra Wireless

Two more chapters get you started with preliminary setup, connections and testing. This section also covers the basics of the Watcher and Wireless Expert software provided with the toolkit.

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Finally there are several chapters covering modem operation in each of the possible modes with sample configurations.

An appendix provides some background information on the communication modes.

1.4.1. Modem Operations

The var ious modes, s tates, and condition s th e modem can be pla ced in are described in the chapt er on Basic Modem Operations. That chapter also discusses the communication interface between the host (DTE) and the modem.

The types of protocols supported in each mode are described but examples of configuring the modem will be found in the chapters on operations for each specific mode.

1.5. Conventions Used in this Reference

Result Code – This is a numeric or text code that is returned after all commands (except resets). Response – This term indicates a response from the modem which is issued prior to a return code.

Reading registers or issuing commands that report information will provide a response followed by a return code unless the command generates an error.

Hexadecimal values are shown with a prefix of 0x, i.e. in the form 0x3F. Chara cter codes wh ich are described with words or standard abbreviations are shown within an gle

brackets: such as <CR> for Carriage Return and <space> for a blank space character. AT Command and register syntax is noted using an alternate font:

AT+WS46=4

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2. Product Descriptions

The SB300 Series modems are designed for integration into devices that require wireless communications such as PC’s, portable and handheld devices, metering and monitoring equipment, and point of sale terminals.

This chapter provides descriptions and specifications for the family. Individual modems are described in separate sections below.

The SB300 and SB320 share common physical and interface characteristics. The SB300, 301, and 302 share common functional characteristics.

2.1. Specifications Common to All Modems

The follow specifications provide information on all SB300 Series modems.

2.1.1. Application Interface Specifications

Serial Interface (DTE) 1200-57,600 bps SLIP Interface RFC1055 PPP Interface RFC1661, RFC1662, RFC1332 AT-Command Interface Hayes Compatible with PCCA Wireless Extensions UDP PAD Interface PCCA STD-101 Compliant TCP PAD Interface PCCA STD-101 Compliant Object Management Interface Sierra Wireless Inc. Proprietary

2.1.2. RF Features

Transmitter Power Nominal 600 mW into 50 ohms Tran smitter Perform ance Meets or exceed s C DPD V1 .1

Receiver Sensitivity Data: -108dBm 5% BLER

FCC, Industry Canada, IS19B/C

Voice: -116cBm 12dB SINAD (SB320 only)

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2.1.3. Special Features

Feature Benefit

Sleep Mode Reduces current drain for improved battery life. TCP and UPD PAD Ping Reply Confirm network connecti vity to the modem. Broadcast Message Support Broadcast to all modems in geographic area. TCP Session Time-out Permits reconnection of failed TCP session. “Fri en d s - only” modem acces s Provides devi ce security. AutoDial at Startup Modem automatically establishes communications. Software-controlle d Reboot Qui c k problem r e covery. Autobaud Flexible interface MultiCast Broadcast to defined subset of all modems. Configurable Listening Port Modem can listen on any port the host prefers. Escape from PAD modes Non-DTR controll ed Escap e.

2.1.4. Environmental Specifications

SB300 SB301 SB302 SB320

Operating Temp. -30 to +60oC -30 to +60oC -30 to +60oC -30 to +60oC Storage Temp. -40 to +85oC -40 to +85oC -40 to +85oC -40 to +85oC Humidity

Vibration Operational:

Shoc k 1 met re drop to

5% to 95% non-condensing

IS-19C Survivability: Mil-STD202

a hard surface

5% to 95% non-condensing

Operational: IS-19C Survivability: Mil-STD202

1 met re drop to a hard surface

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2.2. SB300 CDPD Modem

Part number 1100034

2.2.1. Mechanical

2.2.1.1. Physical Description

The SB300 comes in a Type III package, and includes a 30-pin, 0.5mm pitch ZIF connector for the host interface, a MMCX connector for the antenna, and a status LED. Dimensions in millimetres are as follows:

2.2.1.2. Mounting

The SB300 uses an industry standard Type III frame-kit, and as such will fit into PC Card rails. Alternatively, two clips or a bracket may be used to secure the module. There are also two mounting holes provided on either side of the ZIF serial connector.

2.2.2. Connectors

2.2.2.1. Antenna Connector

The SB300 provides an MMCX type RF connector (Huber & Suhner 85 MMCX-50-0-1) for the antenna connection. For proper matching the antenna should be 50 ohms with a return loss of 10 dB or better between 824 - 894 MHz. System antenna gain should be 0 dB.

2.2.2.2. Host (DTE) Connector

The SB300 provides a single 30-pin ZIF connector with 0.5mm pin spacing (Hirose FH12-30S).

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2.2.3. Power Specifications

The SB300 requires +5V provided on pins 23-24, and ground provided on pins 23-28. Electrical requirements and current specifications are identified below.

Table 2-1: Power and Current Specifications

Power Supply Requirements

Current Drain

+5Vdc Maximum noise dc to 100 kHz: 10 mV

Sleep: 20 mA Receive: 150 mA Transmit (Full Power): 850 mA

2.2.4. Electrical

2.2.4.1. Host (DTE) Interface

The SB300 provides a single 30-pin ZIF connector with 0.5mm pin spacing (Hirose FH12-30S). This connector provides four interfaces:

1. Se ri al host in terface

2. Modem control interface

3. Power

4. Status line interface The connector pinouts are s p ecified in Table 2-2, an d el ectrical characteristi cs ar e s p ecified in

Table 2-3 Serial Interface Electrical Characteristics. Signal types are with respect to the modem (DCE).

Table 2-2: Host Interface Conn ector P in ou t s

Pin Number P in Label Type Description

1 \DCD Output Data Carrier Detect 2 RxD Output Receive Data 3 TxD Input Transmit Data 4 \DTR In put Data Terminal Ready 5 GND Ground Ground 6 \DSR Output Data Set Ready 7 \RTS In put Rea dy To Send 8 \CTS Output Clear To Send

9 \RI Output Ring Indicator 10 \RESET Hardware Reset 11 RES ERVED Leave unconnected 12 \SHDN Input Graceful modem shutdown. 13 STATUS_OUT1 Output Power + RF Channel Status 14 STATUS_OUT2 Output Transmitter 15 STATUS_OUT3 Output Power Down OK 16 STATUS_IN1 Input 17 STATUS_IN2 Input 18 STATUS_IN3 Input 19 STATUS_IN4 Input

20 - 22 UNUSED 23 – 24 VBAT Input +5V 25 – 2 8 GND Ground Ground

29 UNUSED 30 RES ERVED Leave unconnected

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Table 2-3: Serial Interface E lectrical Characteristics

Characteristic Min.(V) Max.(V)

Input Low Voltage -0.3 0.8 Input High Voltage 2.5 5.0 Output High Voltage (Ioh=400 µA) 2.4 – Output Low Voltage (Iol=3.2 mA) – 0.5

Serial Port Interface

The serial port pins comprise a standard set of serial data and handshaking lines. All signals are

negative assert i on, HCMOS logic compatible. These signals must be terminated properly if they

are not u sed. Refer to th e S B3 0 0 Series OEM M odems Integrator’s Guide for detail on

terminating unused lines.

Hardware handshaking should be enabled using CTS and RTS as the primary flow control signals.

The remaining handshaking lines (DCD, DTR, DSR, and RI) are, strictly speaking, not needed;

however they are desirable for TCP/IP stack usage and are supported for any applications that may

require them. Operation in each mode is as follows:

• RTS, CTS

Used as standard hardware flow control lines.

• DTR

Indicates to the modem that the host device is active. This line may also be configured to switch the modem from data to command state or reset the modem (AT&D), and to enable host wake-up. See the RI description below.

• DCD

This line is asserted while online. Behaviour options are set with the command AT&C.

• DSR

Always active when the modem is on; it is tied to logic GND.

• RI

If DTR is inactive (high), RI toggles when there is data for the host. This may be used to wake-up the host.

The serial port should be configured for 8-data bits, no parity bits, and 1-stop bit. The default

DTE configuration will auto-baud to the host serial baud rate (based on speed of the ‘A’ in an AT

command). Host data rates of up to 57.6 kbps are supported. AT commands may be used to fix

the baud rate from 1200 bps to 57.6 kbps.

In command state, a terminal emulation program may be used to communicate with the modem

and change the configurat ion.

Modem Control Interface

Modem control is comprised of two inputs:

1. \SHDN: Graceful Shutdown

This is an active-low input. When activated this signal instructs the modem to de-register from the network, and power down. When this activity is completed the STATUS_OUT3 line is pulled indicating to the host that power may be removed from the device.

2. \RESET: Hardware Reset

This is a hardware reset of the modem. This input should be externally pulled high and driven low to reset.

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Status Signal Interface

Status Outputs

Ther e are three status outp ut s provided, d efined as follows:

1. STATUS_O UT1 : Power, RF Channel Status

• Permanentl y low when power is on but no CDPD channel is visi ble.

• Pulses low once per second with 10% duty cycle if modem is locked onto a CDPD

channel.

• Pulses low twice per second with 10% dut y cycl e if modem i s registered on a CDPD

channel.

2. STATUS_O UT2 : Transmitter

• Low when the transmitter is k eyed.

3. STATUS_O UT3 : Power Down OK

• When low, this indicates it is safe to remove power to the modem. See Section 0

Modem Control Interface.

Status Inputs

There are four TTL-level status input lines provided. There are currently no features that use these inputs.

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2.3. SB301 Specifications

Part number 1100029

To Be Determined.

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2.4. SB302 Specifications

Part number 1100043

2.4.1. Mechanical

2.4.1.1. Physical Description

The SB302 comes as a board stack of two circuit boards. It includes a 16-pin, 0.1” dual-row header for the host interface and an MMCX style RF connector for the antenna. Dimensions in millimetres are as follows:

Figure 2-1: Ph ysical d im ensions shown in inches [mm]. Figure 2-2: Assem bly View.

2.4.2. Connectors

2.4.2.1. Antenna Connector

The SB302 provides an MMCX type RF connector (Huber & Suhner 85 MMCX-50-0-1) for the antenna connection. For proper matching the antenna should be 50 ohms with a return loss of 10 dB or better between 824 - 894 MHz. System antenna gain should be 0 dB.

2.4.2.2. Host (DTE) Connector

The SB302 provides a single (2 x 8) 16-pin connector (AMP 103186-8).

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OEM Developer’s Tool ki t Proprietar y and Confidential User’s Guide

2.4.3. Power Specifications

The SB302 requires +5V provided on pins 1 and 2, and ground provided on pins 3 and 4.

Electrical requirements and current specifications are identified below.

Table 2-4: Power and Current Specifications

Power Supply Requirements

Current Drain

+5Vdc Maximum noise dc to 100 kHz: 10 mV

Sleep: 20 mA Receive: 150 mA Transmit (Full Power): 850 mA

2.4.4. Electrical

2.4.4.1. Host (DTE) Interface

The SB302 provides a single 16-pin connector (Samtec HMTSW-108-22-T-D-440) that provides

four interfaces:

1. Se ri al host in terface

2. Modem control interface

3. Power

4. Status line interface

The connector pinouts are s p ecified in Table 2-5, an d el ectrical characteristi cs ar e s p ecified in

Table 2-6 Serial Interface Electrical Characteristics. Signal types are with respect to the

modem (DCE).

Table 2-5: Host Interface Conn ector P in ou t s

Pin Number P in Label Type Description

1 – 2 VBAT Input +5V 3 – 4 GND Ground Ground

5 TxD Input Transmit Data 6 RxD Output Receive Data 7 \DTR In put Data Terminal Ready 8 \DCD Output Data Carrier Detect

9 \DSR Output Data Set Ready 10 \CTS Output Clear To Send 11 \RTS Input Ready To Send 12 \RI Output Ring Indicator 13 \SHDN Input Graceful modem shutdown. 14 STATUS_OUT1 Output Power + RF Channel Status 15 STATUS_OUT2 Output Transmitter 16 STATUS_OUT3 Output Power Down OK

Table 2-6: Serial Interface E lectrical Characteristics

Characteristic Min.(V) Max.(V )

Input Low Voltage -0.3 0.8 Input High Voltage 2.5 5.0 Output High Voltage (Ioh=400 µA) 2.4 – Output Low Voltage (Iol=3.2 mA) – 0.5

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