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U.S. Wireless Data USWD500 CDPD Modem Manuals
Manuals and User Guides for U.S. Wireless Data USWD500 CDPD Modem. We have
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U.S. Wireless Data USWD500 CDPD Modem manual available for free PDF download: User Manual
U.S. Wireless Data USWD500 User Manual (58 pages)
CDPD Modem
Brand:
U.S. Wireless Data
| Category:
Modem
| Size: 0.47 MB
Table of Contents
Table of Contents
4
Chapter 1 Introduction
7
Who Should Read this Manual
7
Purpose of this Manual
7
General Description and Features
7
USWD500 Product Package and Services
8
Product Package
8
Services
8
How to Use this Manual
8
Chapter 2 Product Specifications
9
Hardware Specifications
9
General Specifications
9
Receiver Specifications
10
Transmitter Specifications
11
I/O Pin Assignments (FFC Connector)
12
Mechanical Specifications
13
Mechanical Size
13
MMCX RF Connector
14
FFC 30-Pin Connector (ZIF)
15
Chapter 3 Installation and Setup
16
Initial Setup
16
Verifying the USWD500 Working Status
16
Connecting to the CDPD Network
19
Problem Solving Table
24
General Parameters Setup
24
IP Address Setup
24
Side Preference Setup
25
Selecting the Channel Scan Mode
26
Advanced Parameters Setup
27
Serial Port Parameter Setup (Optional)
27
UDP Parameters Setup
29
SPI/SPNI/WASI Parameters
29
S-Registers
30
Sleep Mode Parameters
30
Useful Commands
30
Quick Connection to the CDPD Network
30
Get Status Command
31
ON-LINE/OFF-LINE Mode
32
Using the USWD500 Modem with a Terminal Emulation Program
32
UDP Concept
32
Data Transmitting and Receiving under UDP Protocol
33
When will the USWD500 Modem Send out Queued Data
33
Buffer Full
33
S50 Time out (Data Forwarding Idle Time Out)
33
Receive a Data Forwarding Character
34
Broadcast and Multicast
34
Broadcast
34
Multicast
34
Chapter 4 Integration Considerations
36
Determining End Product Use
36
Amount and Frequency of Messages Sent/Received
36
Hardware Design Considerations
36
Power Supply Considerations
37
Identifying the Source Antenna
37
Setting up a Development Test Environment
37
Developing Software Applications
37
Performing EMI Testing
37
Obtaining Regulatory Approval
38
Final Assembly Testing
38
Installation and Field Testing
38
Chapter 5 Application Development
39
Scope of Application
39
Public Service (Police, Fire, Security)
39
Telemetry
39
Point of Sale
39
Transportation
39
On-Line, Point-To-Point Communications
39
Example: Credit Card Verification with the USWD500 Modem
40
Function
43
Command
43
Response
43
Appendix A at Command List
47
At!A
50
At!A0
50
At!D
51
At!IXXX.XXX.XXX.XXX/ Password
51
At!I
51
At!M
51
At!R
51
At!S
51
At!S1
51
At!T
51
At!T0
51
At!U
51
Appendix B S Registers
53
S-Register Definitions
54
Appendix C USWD500 Response Messages
56
Index
57
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