User's Manual

Table of Contents
Chapter 1 Introduction ..................................................................................................1-1
Overview.................................................................................................................................. 1-2
Package Checklist .................................................................................................................... 1-2
Product Features ...................................................................................................................... 1-3
Product Hardware Specifications............................................................................................. 1-3
Hardware Block Diagram ........................................................................................................ 1-6
W311 ............................................................................................................................ 1-6
W321 ............................................................................................................................ 1-6
W341 ............................................................................................................................ 1-7
Chapter 2 Hardware Introduction.................................................................................2-1
Appearance .............................................................................................................................. 2-2
W311 ............................................................................................................................ 2-2
W321 ............................................................................................................................ 2-2
W341 ............................................................................................................................ 2-3
Dimensions .............................................................................................................................. 2-4
W311 ............................................................................................................................ 2-4
W321 ............................................................................................................................ 2-5
W341 ............................................................................................................................ 2-6
LED Indicators......................................................................................................................... 2-7
Reset Button............................................................................................................................. 2-7
Real Time Clock ...................................................................................................................... 2-8
Chapter 3 Hardware Connection Description .............................................................3-1
Wiring Requirements ............................................................................................................... 3-2
Connecting the Power................................................................................................... 3-2
Grounding the Unit....................................................................................................... 3-2
Connecting Data Transmission Cables .................................................................................... 3-3
Connecting to the Network ........................................................................................... 3-3
Connecting to the WLAN............................................................................................. 3-3
Connecting to a Serial Device ...................................................................................... 3-4
Serial Console Port ....................................................................................................... 3-4
SD Slot..................................................................................................................................... 3-4
USB (W341 only) .................................................................................................................... 3-7
Relay Output (W341 only)....................................................................................................... 3-7
Appendix A Regulatory Approval Statement ................................................................ A-1