Phoenix Contact RAD-80211-XD User manual

i
INSPIRING INNOVATIONS
Wireless Ethernet Radios
802.11 Transceiver Series
User Manual
RAD-80211-XD, RAD-80211-XD-BUS and
RAD-80211-XD-WM
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RAD-802.11-XD, RAD-802.11-XD-BUS and
RAD-802.11-XD-WM User Manual
ii
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iii
Rev H • Issued: June 2008 2186H
Wireless Ethernet Radios
802.11 Transceiver Series
User Manual
RAD-80211-XD (IP20 DIN-rail Version – PN: 28 85 72 8)
RAD-80211-XD-BUS (IP20 DIN-rail Version – PN: 28 85 75 7)
RAD-80211-XD-WM (IP54 Wall Mount Version – PN: 28 85 71 5)
INSPIRING INNOVATIONS
1. Ethernet™ is a tradename of Xerox Corporation
2. Windows® and Windows® CE are tradenames of Microsoft Corporation
3. Modbus is a trademark of Modicon, Inc.
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RAD-802.11-XD, RAD-802.11-XD-BUS and
RAD-802.11-XD-WM User Manual
iv
This Manual Contains Information on the
Wireless Ethernet Radios, 802.11 Transceiver Series
RAD-80211-XD, RAD-80211-XD-BUS and
RAD-80211-XD-WM
Information given herein is based on data believed to be reliable, but Phoenix Contact
makes no warranties expressed or implied as to its accuracy and assumes no liability
arising out of its use by others. This publication is not intended to be taken as a license
to operate under, or recommendation to infringe upon, any patents.
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v
RAD-802.11-XD, RAD-802.11-XD-BUS and
RAD-802.11-XD-WM User Manual – Table of Contents
Table of Contents
Preface
I. Warranty ......................................................................................................................xi
A. Important Notice (RF Exposure) ..................................................................... xi
B. FCC Part 15 Compliance ................................................................................ xii
II. About This Manual ...................................................................................................... xii
A. Requirements of the User Group .................................................................... xii
B. Purpose of this Manual ................................................................................... xii
III. Using This Manual ....................................................................................................... xii
A. Finding Information ........................................................................................ xiii
B. Additional or Related Documentation ............................................................. xiii
C. Current Documentation on the Internet .......................................................... xiii
D. Statement of Legal Authority .......................................................................... xiii
E. Validity of Documentation ............................................................................... xiii
SECTION 1
802.11 Series Overview
1.1 Basic Features of the IEEE 802.11 Wi-Fi Standard .................................................... 1-1
1.2 Radio Descriptions ..................................................................................................... 1-2
1.2.1 RAD-80211-XD ............................................................................................. 1-2
1.2.2 RAD-80211-XD-BUS .................................................................................... 1-3
1.2.3 RAD-80211-XD-WM ..................................................................................... 1-4
1.3 Wireless Standard IEEE 802.11 Basics ..................................................................... 1-5
1.3.1 802.11b ......................................................................................................... 1-5
1.3.2 802.11a ......................................................................................................... 1-5
1.3.3 802.11g ......................................................................................................... 1-5
1.3.4 802.11b/g Mixed............................................................................................ 1-5
1.4 Access Point/Client Configurations ............................................................................ 1-5
1.4.1 Example of Access Point/Client Topologies ................................................... 1-5
1.5 Bridge Configurations ................................................................................................ 1-6
1.5.1 Point-to-Point Bridging ................................................................................... 1-6
1.5.2 Point-to-Multipoint Bridging ........................................................................... 1-7
1.5.3 Repeater Mode ............................................................................................. 1-7
1.6 Data Encryption and Security .................................................................................... 1-8
1.7 SSID (Service Set ID) ................................................................................................ 1-8
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vi
RAD-802.11-XD, RAD-802.11-XD-BUS and
RAD-802.11-XD-WM User Manual – Table of Contents
Table of Contents
1.8 Access Point and Client Encryption ........................................................................... 1-8
1.8.1 WEP Encryption ............................................................................................ 1-8
1.8.2 WPA with TKIP/AES-CCMP Encryption ........................................................ 1-8
1.8.3 MAC Address Filtering .................................................................................. 1-9
1.9 Bridge Encryption ...................................................................................................... 1-9
1.9.1 AES .............................................................................................................. 1-9
1.10 DHCP Server ............................................................................................................. 1-9
1.11 Operator Authentication and Management ................................................................. 1-9
1.12 Modbus/TCP I/O Emulation ..................................................................................... 1-10
1.13 Ethernet Terminal Server ......................................................................................... 1-10
SECTION 2
System Planning
2.1 Accessing the Site ..................................................................................................... 2-1
2.2 Path Quality Analysis ................................................................................................. 2-2
2.3 Signal Strength .......................................................................................................... 2-2
2.4 Antennas and Cabling ................................................................................................ 2-2
2.4.1 Coaxial Cable Considerations ....................................................................... 2-3
2.5 Antenna Mounting Considerations ............................................................................. 2-4
2.6 Maintaining System Performance .............................................................................. 2-4
2.6.1 Antennas and Coaxial Cable ......................................................................... 2-4
2.6.2 Cable Connections ........................................................................................ 2-4
2.6.3 Power Supply ................................................................................................ 2-4
SECTION 3
Mounting the Radios
3.1 Mounting the RAD-80211-XD or RAD-80211-XD-BUS .............................................. 3-1
3.2 Mounting the RAD-80211-XD-WM ............................................................................. 3-4
3.2.1 Non-hazardous Locations ............................................................................. 3-4
3.2.2 Hazardous Locations .................................................................................... 3-4
SECTION 4
Making Connections and Powering Up
4.1 Power Connections .................................................................................................... 4-1
4.1.1 RAD-80211-XD or RAD-80211-XD-BUS ....................................................... 4-1
4.1.2 RAD-80211-XD-WM ..................................................................................... 4-2
4.2 Ethernet Connections ................................................................................................ 4-3
4.3 Serial Port Connections ............................................................................................. 4-3
4.3.1 RS232 Connections ...................................................................................... 4-3
4.3.2 RS422/485 Connections ............................................................................... 4-4
4.4 Antenna Connections ................................................................................................. 4-6
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vii
RAD-802.11-XD, RAD-802.11-XD-BUS and
RAD-802.11-XD-WM User Manual – Table of Contents
SECTION 5
Programming the Radio
5.1 Configuring Your PC to Communicate with the Radio ................................................. 5-2
5.2 Logging Into the Radio ............................................................................................... 5-2
5.3 Viewing Device Information ........................................................................................ 5-3
5.4 General Device Information ....................................................................................... 5-4
5.5 Local Diagnostics ....................................................................................................... 5-5
5.6 General Configuration ................................................................................................ 5-6
5.7 Operational Mode ...................................................................................................... 5-7
5.8 LAN Configuration ...................................................................................................... 5-8
5.9 SNMP Configuration .................................................................................................. 5-9
5.10 DHCP Server ........................................................................................................... 5-11
5.11 Configuring the RAD-80211-XD Family as an Access Point..................................... 5-12
5.11.1 General ....................................................................................................... 5-12
5.11.2 Access Point Security ................................................................................. 5-15
A. Static WEP.............................................................................................. 5-15
B. IEEE 802.11i and WPA Security ............................................................. 5-16
5.11.3 MAC Address Filtering ................................................................................ 5-17
5.11.4 Rogue AP Detection ................................................................................... 5-18
5.11.5 Advanced Settings ...................................................................................... 5-18
5.12 Client Configuration ................................................................................................. 5-19
5.12.1 General ....................................................................................................... 5-19
5.12.2 Security ....................................................................................................... 5-20
A. Open or Shared Authentication (WEP Security) ..................................... 5-20
B. WPA-PSK, WPA2-PSK Encryption and WPA-EAP-TSL, WPA2-EAP-TSL 5-20
5.13 Bridge Configuration ................................................................................................ 5-23
5.13.1 General ....................................................................................................... 5-23
5.13.2 Bridge Radio Settings ................................................................................. 5-24
5.13.3 Bridge Security ........................................................................................... 5-25
A. Static AES Security ................................................................................ 5-25
5.14 I/O Ports .................................................................................................................. 5-26
5.14.1 Ethernet Port ............................................................................................... 5-26
5.14.2 Serial Ports ................................................................................................. 5-27
5.14.3 PLC Interface (RAD-80211-XD-BUS only) .................................................. 5-28
5.15 Passwords ............................................................................................................... 5-28
5.16 Store and Retrieve Settings ..................................................................................... 5-29
5.17 Performance ............................................................................................................ 5-30
5.18 Maintenance ............................................................................................................ 5-31
5.19 Monitoring/Reports .................................................................................................. 5-32
Table of Contents
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viii
RAD-802.11-XD, RAD-802.11-XD-BUS and
RAD-802.11-XD-WM User Manual – Table of Contents
SECTION 6
XD-BUS Configuration for I/O Modules (RAD-80211-XD-BUS only)
6.1 RAD I/O Communications (RAD-80211-XD-BUS Only) ............................................. 6-1
6.1.1 MODBUS/TCP I/O Emulation Operation ....................................................... 6-1
6.1.2 System Overview .......................................................................................... 6-2
6.1.3 I/O System Configuration Overview .............................................................. 6-2
6.1.4 Configuring RAD-80211-XD-BUS Radios Connected to I/O .......................... 6-3
6.1.5 Configuring RAD 80211 Family Radios Connected to the PLC /Modbus Master
6-6
6.2 I/O Module Descriptions............................................................................................. 6-7
6.2.1 Connecting and Configuring the I/O Modules ................................................ 6-8
6.3 Addressing the Remote I/O ........................................................................................ 6-8
6.4 Rotary Switches ....................................................................................................... 6-13
6.5 Register Scaling ....................................................................................................... 6-13
6.5.1 Digital Channels .......................................................................................... 6-13
6.5.2 Analog Channel Scaling .............................................................................. 6-13
6.5.3 Pulse Input Channels .................................................................................. 6-14
6.5.4 Pulse Output Channels ............................................................................... 6-14
6.6 Wiring and Fail Condition DIP Switches for the I/O Modules .................................... 6-16
6.6.1 Analog Input Module ................................................................................... 6-16
6.6.2 Digital Input Module .................................................................................... 6-17
6.6.3 Analog Output Module ................................................................................ 6-18
6.6.4 Digital Output Module .................................................................................. 6-19
6.6.5 Combination Input/Output Module ............................................................... 6-20
6.6.6 Digital Pulse Input Module........................................................................... 6-21
6.6.7 Digital Pulse Output Module ........................................................................ 6-24
6.7 Accessing the XML file ............................................................................................. 6-26
SECTION 7
Radio Troubleshooting
7.1 LED Indicators ........................................................................................................... 7-1
7.1.1 RAD-80211-XD and RAD-80211-XD-BUS .................................................... 7-1
7.1.2 RAD-80211-XD-WM ..................................................................................... 7-2
7.2 RSSI (Received Signal Strength Indicator) ................................................................ 7-2
7.2.1 RAD-80211-XD and RAD-80211-XD-BUS .................................................... 7-2
7.2.2 RAD-80211-XD-WM ..................................................................................... 7-3
7.3 General Troubleshooting ............................................................................................ 7-4
7.4 Resetting the IP Address ........................................................................................... 7-5
7.4.1 DOS Command............................................................................................. 7-5
7.4.2 Hardware Reset ............................................................................................ 7-5
Table of Contents
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ix
RAD-802.11-XD, RAD-802.11-XD-BUS and
RAD-802.11-XD-WM User Manual – Table of Contents
Appendixes
SECTION 8
Technical Data
8.1 Dimensions ................................................................................................................ 8-1
8.2 Specifications ............................................................................................................. 8-2
SECTION 9
Ordering Information
9.1 RAD-80211-XD and RAD-80211-XD-BUS Parts and Assemblies .............................. 9-1
9.2 RAD-80211-XD-WM Parts and Assemblies ............................................................... 9-2
9.3 Additional Parts and Accessories ............................................................................... 9-4
APPENDIX A
Structure of IP Addresses
A.1 Valid IP Parameters .................................................................................................. A-1
A.1.1 Valid IP Addresses are: ................................................................................ A-1
A.1.2 Valid Subnet Masks are: .............................................................................. A-1
A.1.3 Default Gateway/Router: .............................................................................. A-1
A.2 Assigning IP Addresses ............................................................................................ A-1
A.2.1 Special IP Addresses for Special Applications ............................................. A-3
A.2.2 Value 255 in the Byte ................................................................................... A-4
A.2.3 Subnet Masks .............................................................................................. A-4
A.2.4 Examples for Subnet Masks and Computer Bits
(See Figure A-4) .......................................................................................... A-6
APPENDIX B
Glossary
A ..................................................................................................................... B-1
B ..................................................................................................................... B-1
C ..................................................................................................................... B-2
D ..................................................................................................................... B-2
E ..................................................................................................................... B-2
F ..................................................................................................................... B-2
G ..................................................................................................................... B-3
H ..................................................................................................................... B-3
I ..................................................................................................................... B-3
L ..................................................................................................................... B-3
M ..................................................................................................................... B-3
N ..................................................................................................................... B-4
P ..................................................................................................................... B-4
R ..................................................................................................................... B-4
S ..................................................................................................................... B-5
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RAD-802.11-XD, RAD-802.11-XD-BUS and
RAD-802.11-XD-WM User Manual – Table of Contents
Appendixes
T ..................................................................................................................... B-5
U ..................................................................................................................... B-5
V ..................................................................................................................... B-5
W ..................................................................................................................... B-6
APPENDIX C
Mounting Template for RAD-80211-XD-WM
Template ............................................................................................................................. C-1
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xi
RAD-802.11-XD, RAD-802.11-XD-BUS and
RAD-802.11-XD-WM User Manual – Preface
Preface Contents
I. Warranty ...........................................................................................................................xi
A. Important Notice (RF Exposure) .......................................................................... xi
B. FCC Part 15 Compliance .................................................................................... xii
II. About This Manual .......................................................................................................... xii
A. Requirements of the User Group ........................................................................ xii
B. Purpose of this Manual ....................................................................................... xii
III.Using This Manual ........................................................................................................... xii
A. Finding Information ............................................................................................ xiii
B. Additional or Related Documentation ................................................................. xiii
C. Current Documentation on the Internet .............................................................. xiii
D. Statement of Legal Authority .............................................................................. xiii
E. Validity of Documentation ................................................................................... xiii
Preface
Wireless Ethernet Radios
802.11 Transceiver Series
RAD-80211-XD, RAD-80211-XD-BUS and RAD-80211-XD-WM
I. Warranty
Phoenix Contact Inc. warrants its wireless products against defects in materials and work-
manship under normal use and service for a period of 12 months from the date of purchase.
During the warranty period, products determined by Phoenix Contact to be defective shall, at
the option of Phoenix Contact, either be repaired at a location authorized by Phoenix Contact
(and returned free of charges for parts, labor, or shipping) or replaced with an equivalent
product. Defective parts replaced by Phoenix Contact shall become the property of Phoenix
Contact. This Limited Warranty does not cover on-site repair of products. Defective prod-
ucts must be returned to Phoenix Contact to be repaired or replaced. Phoenix Contact is not
responsible for the operation, damage, availability or loss of use of the customer-supplied
equipment being used with a wireless product.
This warranty is void under the following circumstances:
1. Abnormal use of the product or use in violation of the instructions provided in this
manual
2. Improper and/or unauthorized installation or repair of system components
A. Important Notice (RF Exposure)
This product is intended for fixed installation applications. In order to comply with FCC/ISC
adopted RF exposure requirements, installation of this transmitter system’s antennas must
be performed in a manner that will provide at least a 6-foot (2 m) clearance from the front
radiating aperture to any user or member of the public.
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xii
RAD-802.11-XD, RAD-802.11-XD-BUS and
RAD-802.11-XD-WM User Manual – Preface
B. FCC Part 15 Compliance
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful interference, and (2) this device must
accept any interference received, including interference that may cause undesired operation.
Changes or modifications not expressly approved by Phoenix Contact will void the user’s
authority to operate the equipment.
FCC Part 15.247
ISC RSS 2101
II. About This Manual
In order to guarantee the safe use of your device, we recommend that you read this manual
carefully. The following notes give you information on how to use this manual.
A. Requirements of the User Group
The products described in this manual should be installed,operated and maintained only by
qualified application programmers and software engineers, electricians or persons instructed
by them. Phoenix Contact assumes no liability for damage to any products resulting from
disregard of information contained in this manual.
B. Purpose of this Manual
This manual contains the information necessary to understand and to configure a Phoenix
Contact wireless serial data modem.
III. Using This Manual
This manual contains the information necessary to understand, install, operate and order
parts for a Phoenix Contact wireless serial data modem and associated components. The
table of contents at the front of this manual provides a paragraph-by-paragraph breakdown
of the subject matter covered in each section.
Specifications within the text of this manual are given in the International System of Units
(SI), with English equivalents in parentheses. Fully capitalized words within the text indicate
markings found on the equipment. Warnings, Cautions and Notes are used to emphasize
critical instructions:
WARNING
An operating procedure, practice, etc., which, if not care-
fully followed, could result in personal injury.
CAUTION
An operating procedure, practice, etc., which, if not strictly
observed, could result in damage to the equipment.
NOTE
Highlights important information about an operating procedure
or the equipment.
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xiii
RAD-802.11-XD, RAD-802.11-XD-BUS and
RAD-802.11-XD-WM User Manual – Preface
A. Finding Information
For ease of finding specific information in this manual, we have provided the following help:
• A main table of contents covering all subject matter is provided at the front of this
manual.
• A table of contents covering information within a section or an appendix is provided at
the front of each individual section or appendix.
B. Additional or Related Documentation
For specific information on the individual expansion I/O modules, see the corresponding
module-specific data sheets.
C. Current Documentation on the Internet
Make sure you are always working with the latest documentation published. The latest
changes or additional information can be found on the Internet at:
http://www.phoenixcon.com (Info Service)
D. Statement of Legal Authority
This manual, including all illustrations contained herein, is copyright protected. Use of this
manual by any third party in departure from the copyright provision is forbidden. Reproduc-
tion, translation, and electronic or photographic archiving or alteration requires the express
written consent of Phoenix Contact. Violators are liable for damages.
Phoenix Contact reserves the right to make any technical changes that serve the purpose of
technical progress.
Phoenix Contact reserves all rights in the case of patent award or listing of a registered
design. External products are always named without reference to patent rights. The exist-
ence of such rights shall not be excluded.
E. Validity of Documentation
This manual mainly contains a description of the RAD-80211-XD, RAD-80211-XD-BUS and
RAD-80211-XD-WM Ethernet radios that were available when this manual was published.
Phoenix Contact reserves the right to make any technical extensions and changes to the
system that would serve the purpose of technical progress. Up to the time that a new manual
revision is published, any updates or changes will be documented on the Internet at:
http://www.phoenixcon.com (Info Service)
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xiv
RAD-802.11-XD, RAD-802.11-XD-BUS and
RAD-802.11-XD-WM User Manual – Preface
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1-1
RAD-802.11-XD, RAD-802.11-XD-BUS and
RAD-802.11-XD-WM User Manual – Section 1
Section 1 Contents
1.1 Basic Features of the IEEE 802.11 Wi-Fi Standard ................................................. 1-1
1.2 Radio Descriptions .................................................................................................. 1-2
1.2.1 RAD-80211-XD ........................................................................................... 1-2
1.2.2 RAD-80211-XD-BUS .................................................................................. 1-3
1.2.3 RAD-80211-XD-WM ................................................................................... 1-4
1.3 Wireless Standard IEEE 802.11 Basics ................................................................... 1-5
1.3.1 802.11b....................................................................................................... 1-5
1.3.2 802.11a....................................................................................................... 1-5
1.3.3 802.11g....................................................................................................... 1-5
1.3.4 802.11b/g Mixed ......................................................................................... 1-5
1.4 Access Point/Client Configurations .......................................................................... 1-5
1.4.1 Example of Access Point/Client Topologies ................................................. 1-5
1.5 Bridge Configurations .............................................................................................. 1-6
1.5.1 Point-to-Point Bridging ................................................................................ 1-6
1.5.2 Point-to-Multipoint Bridging ......................................................................... 1-7
1.5.3 Repeater Mode ........................................................................................... 1-7
1.6 Data Encryption and Security .................................................................................. 1-8
1.7 SSID (Service Set ID) .............................................................................................. 1-8
1.8 Access Point and Client Encryption ......................................................................... 1-8
1.8.1 WEP Encryption ......................................................................................... 1-8
1.8.2 WPA with TKIP/AES-CCMP Encryption ...................................................... 1-8
1.8.3 MAC Address Filtering ................................................................................ 1-9
1.9 Bridge Encryption .................................................................................................... 1-9
1.9.1 AES ............................................................................................................ 1-9
1.10 DHCP Server........................................................................................................... 1-9
1.11 Operator Authentication and Management .............................................................. 1-9
1.12 Modbus/TCP I/O Emulation ................................................................................... 1-10
1.13 Ethernet Terminal Server ....................................................................................... 1-10
SECTION 1
802.11 Series Overview
1.1 Basic Features of the IEEE 802.11 Wi-Fi Standard
The Phoenix Contact 802.11 Series of radio transceivers are capable of transmitting Ether-
net data using transmission methods conforming to IEEE 802.11a/b/g standards. This
manual describes the RAD-80211-XD, RAD-80211-XD-BUS and the RAD-80211-XD-WM
radios.
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1-2
RAD-802.11-XD, RAD-802.11-XD-BUS and
RAD-802.11-XD-WM User Manual – Section 1
Figure 1-1. Features of the RAD-80211-XD Wireless Radio
2186A054-2
1 2 3 4
54321
9876
STATUS
RS-485 RX
RS-485 TX
RF LINK
RF D ATA
WAN SPEED
WAN LINK
RS-232 RX
RS-232 TX
ANT 1
ANT 2
RSSI
RAD-80211-XD
FLBL-2938-01R1
AB
GND
+24V
B(-)A(+)B(-)A(+)
Pluggable
Connectors
Power/Status
LED
RS-422/485
Status LEDs
RF Link
Status LEDs
WLAN
Status LEDs
RJ-45 Ethernet
Port
RSSI Test
Port
RS-232
Port
RS-232
Status LEDs
Diversity Antenna
Connection
(MCX Receptacle)
Main Antenna
Connection
(MCX Receptacle)
Omnidirectional
Antenna Assembly
(Not Supplied)
RJ-45 Ethernet
Cable Assembly
(Not Supplied)
9-position D-Sub Cable
Assembly (Not Supplied)
DIN-rail
(Not Supplied)
5 6 7 8
DIN-rail Universal
End Bracket
(Not Supplied)
Typ USLKG 5
Typ USLKG 5
DIN-rail
Grounding
Block (Not
Supplied)
Each radio can be programmed to function as an Access Point, Client or a Bridge. Some of
the features of this series include:
•802.11i Security: This algorithm provides an exceptionally high level of security that is
currently deemed unhackable.
• Local and Remote Diagnostics: An RF link dry contact provides local assurance of
link between radios. The RSSI test point provides an easy way to check the strength of
the RF signal. Advanced diagnostics are available via the web-based management.
• RS232/485/422 Serial Ports: Two built-in serial ports allow the transmission of serial
data using the 802.11 wireless protocol. Ethernet and serial data can be sent simulta-
neously.
• Adjustable Transmit Power: Ability to raise or lower the power level to reduce the RF
range to facility boundaries or boost it to overcome obstructions in the path.
• Logging and Reporting Capabilities: Logs can be kept of any configuration
changes, attempts to gain access to the network or which clients are connected.
1.2 Radio Descriptions
1.2.1 RAD-80211-XD
The RAD-80211-XD is a DIN rail-mount radio with a protection rating of IP20. See
Figure 1-1. This radio features an RJ45 connector for connection of Ethernet devices as well
as an RS232 and RS485/422 port, which gives it the capability of sending serial data to
another transceiver over the 802.11 radio link. The RAD-80211-XD features an RF link dry
contact for indicating a radio link and an RSSI (Received Signal Strength Indicator) voltage
test point to aid installation and troubleshooting. There are two (2) antenna connectors for
antenna diversity.
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1-3
RAD-802.11-XD, RAD-802.11-XD-BUS and
RAD-802.11-XD-WM User Manual – Section 1
Figure 1-2. Features of the RAD-80211-XD-BUS Wireless Radio
1.2.2 RAD-80211-XD-BUS
The RAD-80211-XD-BUS radio differs physically from the RAD-80211-XD in that it has a
5-pin BUS connector on the side of the unit. See Figure 1-2. This BUS connector is de-
signed to allow analog, digital, or frequency input/output modules to be connected. See
Figure 1-3. It also has a Modbus/TCP Gateway and an Ethernet Terminal Server. The I/O
modules are accessed using Modbus/TCP protocol through an access point or a bridge radio
(gateway). The I/O values are also available for read-only applications via an embedded
XML file.
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RAD-802.11-XD, RAD-802.11-XD-BUS and
RAD-802.11-XD-WM User Manual – Section 1
1.2.3 RAD-80211-XD-WM
The RAD-80211-XD-WM (see Figure 1-4) is a wall mount radio rated IP54 for non-hazard-
ous locations. For installation in hazardous locations, refer to Section 3, Paragraph 3.2.
This radio features splash resistant connectors for the connection of Ethernet and RS-232
and RS-422/485 devices. It can be powered via a standard power supply or Power-over-
Ethernet (PoE). The RAD-80211-XD-WM features an RF link dry contact for indicating a
radio link and an RSSI (Received Signal Strength Indicator) voltage test point to aid installa-
tion and troubleshooting. The RAD-80211-XD-WM radio comes with two (2) sealed antenna
connectors for antenna diversity.
Figure 1-3. I/O Modules Used with the RAD-80211-XD-BUS
Figure 1-4. Features of the RAD-80211-XD-WM Wireless Radio
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1-5
RAD-802.11-XD, RAD-802.11-XD-BUS and
RAD-802.11-XD-WM User Manual – Section 1
1.3 Wireless Standard IEEE 802.11 Basics
1.3.1 802.11b
The IEEE 802.11b standard, developed by the Wireless Ethernet Compatibility Alliance
(WECA) and ratified by IEEE, establishes a stable standard for compatibility. A user with an
802.11b product can use any brand of access point with any other brand of client hardware
(or bridge to bridge) that is built to the 802.11b standard for basic interconnection.
802.11b devices provide up to 11 Mbps transmission speed, and can fall back to 5.5, 2 and 1
Mbps depending on signal strength or user selection. The 802.11b uses DSSS (Direct
Sequence Spread Spectrum) and operates in the 2.4 GHz band.
1.3.2 802.11a
The IEEE 802.11a standard is an extension to 802.11 that applies to wireless LANs and
provides up to 54 Mbps in the 5 GHz band. 802.11a uses OFDM (Orthogonal Frequency
Division Multiplexing).
1.3.3 802.11g
802.11g operates at data rates up to 54 Mbps within the 2.4 GHz band using OFDM.
802.11g is backwards compatible with 802.11b.
1.3.4 802.11b/g Mixed
802.11b/g Mixed mode only applies to access points and allows both 802.11b and 802.11g
clients to connect using optimum settings.
1.4 Access Point/Client Configurations
A transceiver configured as an access point can only communicate with devices configured
as clients. A transceiver operating in bridge mode can only communicate with other bridge
mode devices.
All wireless devices connected to the access point are configured on the same subnetwork
as the wired network interface and can be accessed by devices on the wired network.
1.4.1 Example of Access Point/Client Topologies
An access point can be used as a stand-alone access point without any connection to a
wired network. In this configuration, it simply provides a stand-alone wireless network for a
group of wireless devices. See Figure 1-5.
The RAD-80211-XD FAMILY can be used as one of a number of access points connected to
an existing Ethernet network to bridge between the wired and wireless environments. Each
access point can operate independently of the other access points on the same LAN.
Multiple Access Points can coexist as separate individual networks at the same site by using
different SSIDs and operating on different channels. It is recommended that non-overlapping
channels be used to minimize interference.
The most common configuration is multiple access points connected to a wired network in
various locations to provide a wider coverage area. This enables wireless client devices to
roam freely about a site switching from access point to access point. The access points all
have the same SSID but operate on different channels.
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1-6
RAD-802.11-XD, RAD-802.11-XD-BUS and
RAD-802.11-XD-WM User Manual – Section 1
1.5 Bridge Configurations
The wireless bridging function of the RAD-80211-XD family supports several different
configurations. The most popular ones are described below.
1.5.1 Point-to-Point Bridging
Figure 1-6 shows Point-to-Point bridging of two Ethernet links.
RAD-80211-XD-WM
28 85 71 5
FLBL-2937-01R2
POWER:
CURRENT:
CONTACTRATING:
TEMPERATURE:
12-30VDC
150mA@ 24VDC
0.5A@ 30VAC / DC
0°CTO 65°C
32°FTO 149°F
Switch
Access
Point
Client
Client 2186A024-1
Network
LNK/ACT
100
LNK/ACT
100
LNK/ACT
100
LNK/ACT
100
LNK/ACT
100
LNK/ACT
100
LNK/ACT
100
LNK/ACT
100
FL SWITCH SF 8TX
Odr.No. 2832771
US1 US2
US1 GND US2 GND R1 R2 NC
Ethernet
Ethernet
ABC Fn
Figure 1-5. Example of Access Point/Client
Network
RAD-80211-XD-WM
28 85 71 5
FLBL-2937-01R2
POWER:
CURRENT:
CONTACTRATING:
TEMPERATURE:
12-30VDC
150mA@ 24VDC
0.5A@ 30VAC / DC
0°CTO 65°C
32°FTO 149°F
LNK/ACT
100
LNK/ACT
100
LNK/ACT
100
LNK/ACT
100
LNK/ACT
100
LNK/ACT
100
LNK/ACT
100
LNK/ACT
100
FL SWITCH SF 8TX
Odr.No. 2832771
US1 US2
US1 GND US2 GND R1 R2 NC
RAD-80211-XD-WM
28 85 71 5
FLBL-2937-01R2
POWER:
CURRENT:
CONTACTRATING:
TEMPERATURE:
12-30VDC
150mA@ 24VDC
0.5A@ 30VAC / DC
0°CTO 65°C
32°FTO 149°F
Network
LNK/ACT
100
LNK/ACT
100
LNK/ACT
100
LNK/ACT
100
LNK/ACT
100
LNK/ACT
100
LNK/ACT
100
LNK/ACT
100
FL SWITCH SF 8TX
Odr.No. 2832771
US1 US2
US1 GND US2 GND R1 R2 NC
2186A025-1
Switch
Bridge
Mode
Switch
Bridge
Mode
Ethernet
Ethernet
Ethernet
Ethernet
Figure 1-6. Example of Point-to-Point Bridging
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