GE MDS DS-NH900 User Manual
GE MDS
MDS iNET Series
MDS iNET-II 900
TM
MDS iNET 900
TM
Reference Manual
Wireless IP/Ethernet Transceiver
iNET-II 900 Firmware Release 2.3
iNET 900 Firmware Release 6.3
MDS 05-2806A01, Rev. H
NOVEMBER 2007
QUICK-ST
QUICK-ST
ARTT
AR
INSTRUCTIONS
INSTRUCTIONS
INSTALLATION SUMMARY
Step 1 Mount the Transceiver
Step 2 Install the Antenna
Step 3 Measure & Connect Primary Power (10.530 Vdc)
Step 4 Review the Tranceivers Configuration
Device ModeAccess Point, or Remote (Default)
Network NameUnique name for each radio network.
Required for Remotes to associate with Access Point.
IP AddressMust be a unique number to allow for IP access
through the Ethernet Port.
NOTE: A unique IP address is essential to access the browser-based
Management System.
RF Output PowerAdjust as necessary for regulatory compliance.
(Default = 1 Watt /+30 dBm)
PasswordUsed for remote access and some Management System
features. (Default = admin)
Step 5 Connect the Data Equipment
Step 6 Check for Normal Operation
Connect the data equipment to data port(s):
LAN10BaseT Ethernet-compatible equipment:
Ethernet Hub (Straight-Through Cable); Ethernet Node (Crossover)
COM2Serial, RS/EIA-232 compatible equipment
COM1Management System (Default); Serial (Alternate)
Observe the transceiver LED status panel for the proper indications. In a normally operating system, the following LED indications
will be seen within 30 seconds of power-up:
PWRLights continuously LANOn or blinks intermittently LINK On or blinks intermittently (Remotes: if associated)
Use PING command to test basic data link integrity between Access Point and Remotes.
If the PING command is successful, connect the RTU/data equipment to the data port and verify normal operation.
If the LINK LED on Remotes is not on after 20 to 30 seconds, the unit has failed to associate with the Access Point. It may be
necessary to reposition or redirect the radios antenna for better reception/signal strength.
Check connected data equipment for normal operation
DATA TERMINAL
EQUIPMENT OR
LAN/WAN
TRANSCEIVER
COMPUTER
W/ TERMINAL
EMULATOR
POWER SUPPLY
13.8 VDC @ 580 mA (Max.)
(10.530 Vdc)
Negative Ground Only
TYPICAL INSTALLATION
ANTENNA
SYSTEM
LOW-LOSS FEEDLINE
BASIC CONFIGURATION DEFAULTS
The Management System can be accessed through the COM1 Port using a terminal emulator. The basic items listed below, and
many other parameters and tools can be accessed through this tool. HTTP, Telnet access, and changing some parameters are
controlled by password.
ITEM MGT SYSTEM MENU
Device Mode Network Configuration
Unit Password Device Information
Network Name Network Configuration
IP Address Network Configuration
RF Output Power Radio Configuration
Detailed instructions for setting transceiver parameters are contained in Section 3 of this manual.
DEFAULT
Remote
admin
(lower case)
"Not Programmed"
192.168.1.1
+30 dBm (1.0 Watt)
VALUES/RANGE
Remote
Access Point
18 alphanumeric characters
Case-sensitive; can be mixed case
116 alphanumeric characters
Case-sensitive; can be mixed case
Contact your Network Administrator
2030 dBm @ 50W (0.11.0 Watt)
TABLE OF CONTENTS
1
PRODUCT OVERVIEW AND APPLICATIONS ........... 1
1.1 ABOUT THIS MANUAL.........................................................................................................3
1.1.1 Related Publication ....................................................................................................................3
1.2 PRODUCT DESCRIPTION................................................................................................... 3
1.2.1 Model Offerings .......................................................................................................................... 5
1.2.2 Differences Between iNET and iNET-II Models .......................................................................... 6
1.2.3 GE MDS P21 Protected Network (Redundant) Configuration ....................................................6
1.3 APPLICATIONS .................................................................................................................... 7
1.3.1 Wireless LAN .............................................................................................................................. 7
1.3.2 Point-to-Point LAN Extension .....................................................................................................8
1.3.3 Backhaul for Serial Radio Networks ...........................................................................................8
1.3.4 Multiple Protocols and/or Services ............................................................................................. 9
1.3.5 Wireless LAN with Mixed Services ...........................................................................................10
1.3.6 Upgrading Older Wireless Network with
Serial Interfaces ..................................................................................................................................10
Replacing Legacy Wireless Products ............................................................................................ 11
Supplement legacy wireless network with IP services................................................................... 11
1.3.7 High-Speed Mobile Data ..........................................................................................................11
1.4 NETWORK DESIGN CONSIDERATIONS.......................................................................... 12
1.4.1 Extending Network Coverage with Repeaters .......................................................................... 12
What is a Repeater System? .........................................................................................................12
Option 1Using two transceivers to form a repeater station
(back-to-back repeater)..................................................................................................................12
Option 2Using the AP as a Store-and-Forward Packet
Repeater ........................................................................................................................................13
1.4.2 Protected Network Operation using Multiple Access Points .....................................................14
1.4.3 Collocating Multiple Radio Networks ........................................................................................14
The Network Name and the association process ..........................................................................14
Can radio frequency interference (RFI) disrupt my wireless network? ..........................................15
1.5 CYBER SECURITY ............................................................................................................15
1.6 ACCESSORIES .................................................................................................................. 17
05-2806A01, Rev. H iNET Series Reference Manual i
ii
EMBEDDED MANAGEMENT SYSTEM.................... 19
2
2.1 INTRODUCTION ................................................................................................................ 23
2.1.1 Differences in the User Interfaces ............................................................................................ 23
2.2 ACCESSING THE MENU SYSTEM ................................................................................... 25
2.2.1 Methods of Control ................................................................................................................... 26
2.2.2 PC Connection & Log In Procedures .......................................................................................26
2.2.3 Navigating the Menus ............................................................................................................... 31
Via Terminal Telnet or SSH Sessions
Recommended for first-time log-in.................................................................................................31
Navigating via Web Browser..........................................................................................................31
2.3 BASIC DEVICE INFORMATION......................................................................................... 32
2.3.1 Starting Information Screen ...................................................................................................... 32
2.3.2 Main Menu ................................................................................................................................ 34
2.3.3 Configuring Basic Device Parameters ...................................................................................... 35
Device Information .........................................................................................................................35
Device Names Menu......................................................................................................................36
2.4 CONFIGURING NETWORK PARAMETERS ..................................................................... 37
2.4.1 Network Configuration Menu ....................................................................................................37
2.4.2 Network Interface Configuration Menu .....................................................................................39
Virtual LAN in iNET-II and iNET ..................................................................................................... 40
Configuring for Operation with VLAN.............................................................................................41
Configuring the IP Address when VLAN Status is Enabled ........................................................... 42
Configuring the IP Address When VLAN Status is Disabled.......................................................... 43
2.4.3 Ethernet Port Configuration Menu ............................................................................................45
2.4.4 DHCP Server Configuration .....................................................................................................46
2.4.5 SNMP Agent Configuration .......................................................................................................47
2.4.6 Prioritized AP Configuration Submenu ..................................................................................... 49
2.5 RADIO CONFIGURATION.................................................................................................. 51
2.5.1 Radio Configuration Menu ........................................................................................................ 51
2.5.2 Channel Config Menu ............................................................................................................... 54
2.5.3 Skip Zones Menu .....................................................................................................................55
2.5.4 Auto Data Rate Configuration Menu .........................................................................................56
2.5.5 Mobility Configuration Menu .....................................................................................................58
Additional Considerations for Mobile Operation.............................................................................59
At Every Mobile (Remote) Radio ...................................................................................................59
At Every AP Radio .........................................................................................................................60
2.6 CONFIGURING THE SERIAL PORTS ............................................................................... 60
2.6.1 Overview ..................................................................................................................................60
Com1 Port—Dual Purpose Capability .............................................................................................61
iNET Series Reference Manual 05-2806A01, Rev. H
TCP vs. UDP..................................................................................................................................61
Serial Encapsulation ......................................................................................................................61
TCP Client vs. TCP Server ............................................................................................................62
UDP Multicast ................................................................................................................................62
PPP................................................................................................................................................63
Data Buffering ................................................................................................................................63
Implementing Configuration Changes............................................................................................63
Serial Configuration Wizard ...........................................................................................................63
2.6.2 Serial Data Port Configuration Menu ........................................................................................ 63
2.6.3 Configuring for UDP Mode .......................................................................................................64
2.6.4 Configuring for TCP Mode ........................................................................................................ 68
2.6.5 Configuring for PPP Mode ........................................................................................................ 70
2.6.6 IP-to-Serial Application Example ..............................................................................................71
2.6.7 Point-to-Multipoint IP-to-Serial Application Example ................................................................72
2.6.8 Point-to-Point Serial-to-Serial Application Example ................................................................. 74
2.6.9 Combined Serial and IP Application Example .......................................................................... 75
Operation and Data Flow ...............................................................................................................75
2.6.10 Virtual LAN in iNET-II and iNET ..............................................................................................77
Configuring for Operation with VLAN.............................................................................................78
2.7 CYBER SECURITY CONFIGURATION ............................................................................. 78
2.7.1 Device Security ........................................................................................................................79
2.7.2 Wireless Security ...................................................................................................................... 80
Local AuthenticationApproved Remotes/Access Points List Submenu......................................81
2.7.3 RADIUS Configuration .............................................................................................................82
Operation of Device Authentication................................................................................................83
Operation of User Authentication...................................................................................................83
2.7.4 RADIUS Configuration .............................................................................................................84
2.7.5 Certificate Management (Remote transceivers only) ............................................................... 84
2.8 PERFORMANCE VERIFICATION ...................................................................................... 85
2.8.1 RSSI by Zone Menu (Remotes Only) .......................................................................................87
2.8.2 Event Log Menu .......................................................................................................................88
Time and Date................................................................................................................................88
View Current Alarms ......................................................................................................................90
View Event Log ..............................................................................................................................91
2.8.3 Packet Menu ............................................................................................................................91
Wireless Packet Statistics..............................................................................................................91
Ethernet Packet Statistics ..............................................................................................................92
Packets Received by Zone ............................................................................................................93
2.8.4 Wireless Network Status (Remotes Only) ................................................................................ 94
The Transceivers Association Process .........................................................................................94
The Wireless Network Status Screen (Remotes Only) .................................................................. 95
2.8.5 Remote Listing Menu (Access Points Only) ............................................................................ 96
2.8.6 Endpoint Listing Menu (Access Points Only) ...........................................................................97
2.8.7 Remote Performance Listing Menu
(Access Points Only) .......................................................................................................................... 98
05-2806A01, Rev. H iNET Series Reference Manual iii
iv
2.8.8 Serial Data Statistics Menu ......................................................................................................99
2.9 MAINTENANCE.................................................................................................................. 99
2.9.1 Reprogramming Menu ............................................................................................................ 100
Upgrading the Firmware ..............................................................................................................102
Error Messages During File Transfers ......................................................................................... 104
2.9.2 Configuration Scripts Menu .................................................................................................... 105
How Configuration Files Work .....................................................................................................105
Sample of Configuration Script File .............................................................................................106
Editing Configuration Files ...........................................................................................................107
2.9.3 Authorization Keys Menu ........................................................................................................108
2.9.4 Change the Type of Remote ...................................................................................................108
2.9.5 Auto-Upgrade/Remote-Reboot Menu ..................................................................................... 108
Firmware Upgrade (with AP Acting as a TFTP Server)................................................................ 109
2.9.6 Radio Test Menu ..................................................................................................................... 110
2.9.7 Ping Utility Menu .................................................................................................................... 111
2.9.8 Reset to Factory Defaults ....................................................................................................... 111
Password Reset........................................................................................................................... 111
3
TROUBLESHOOTING.............................................113
3.1 Interpreting the Front Panel LEDs .................................................................................... 115
3.2 Troubleshooting Using the Embedded Management System........................................... 116
3.2.1 Starting Information Screen .................................................................................................... 117
3.2.2 Packet Statistics Menu ........................................................................................................... 118
3.2.3 Serial Port Statistics Menu ..................................................................................................... 119
3.2.4 Diagnostic Tools ..................................................................................................................... 119
3.3 Using Logged Operation Events....................................................................................... 119
3.4 Alarm Conditions............................................................................................................... 120
3.5 Correcting Alarm Conditions ............................................................................................. 121
3.6 Logged Events .................................................................................................................. 123
iNET Series Reference Manual 05-2806A01, Rev. H
PLANNING A RADIO NETWORK........................... 127
4
4.1 INSTALLATION PLANNING ............................................................................................. 129
4.1.1 General Requirements ...........................................................................................................129
DIN Rail Mounting Option ............................................................................................................131
4.1.2 Site Selection .........................................................................................................................131
4.1.3 Terrain and Signal Strength .................................................................................................... 132
4.1.4 Antenna & Feedline Selection ................................................................................................ 132
4.1.5 How Much Output Power Can be Used? ...............................................................................135
4.1.6 Conducting a Site Survey .......................................................................................................136
4.1.7 A Word About Radio Interference ........................................................................................... 136
4.1.8 Notes on Using 28 VDC Power Supplies ............................................................................... 138
4.2 RADIO (RF) MEASUREMENTS ....................................................................................... 139
4.2.1 Antenna System SWR and Transmitter Power Output ........................................................... 140
Introduction ..................................................................................................................................140
Procedure ....................................................................................................................................140
4.2.2 Antenna Aiming ...................................................................................................................... 141
Introduction ..................................................................................................................................141
Procedure ....................................................................................................................................141
4.3 dBm-WATTS-VOLTS CONVERSION CHART.................................................................. 143
4.4 PERFORMANCE NOTES................................................................................................. 144
4.4.1 Wireless Bridge ......................................................................................................................144
4.4.2 Distance-Throughput Relationship ......................................................................................... 144
4.4.3 Data LatencyTCP versus UDP Mode ................................................................................. 145
4.4.4 Data Compression .................................................................................................................. 145
4.4.5 Packets-per-Second (PPS) ....................................................................................................145
4.4.6 Station-to-Station Traffic .........................................................................................................145
4.4.7 Interference has a Direct Correlation to Throughput .............................................................. 145
4.4.8 Maximizing Throughput .......................................................................................................... 146
4.4.9 Placing an iNET Radio Behind a Firewall ............................................................................... 147
4.5 SNMPv3 NOTES .............................................................................................................. 147
4.5.1 Overview ................................................................................................................................147
SNMPv3 Accounts .......................................................................................................................148
Context Names ............................................................................................................................148
Password-Mode Management Changes......................................................................................149
5
TECHNICAL REFERENCE...................................... 153
5.1 DATA INTERFACE CONNECTORS ................................................................................. 155
5.1.1 LAN Port .................................................................................................................................155
5.1.2 COM1 Port .............................................................................................................................156
05-2806A01, Rev. H iNET Series Reference Manual v
vi
5.1.3 COM2 Port .............................................................................................................................156
5.2 FUSE REPLACEMENT PROCEDURE ............................................................................ 157
5.3 TECHNICAL SPECIFICATIONS ....................................................................................... 158
5.4 CHANNEL HOP TABLE .................................................................................................... 161
6
GLOSSARY OF TERMS AND ABBREVIATIONS... 165
Copyright Notice
This publication is protected by U.S.A. copyright law. Copyright 2007, GE MDS. All rights
reserved.
ISO 9001 Registration
GE MDS adheres to this internationally-accepted ISO 9001 quality system standard.
To our Customers
We appreciate your patronage. You are our business. We promise to serve and anticipate your
needs. We will strive to give you solutions that are cost effective, innovative, reliable and of the
highest quality possible. We promise to build a relationship that is forthright and ethical, one that
builds confidence and trust.
Products Covered in this Manual
This manual covers two members of the GE MDS iNET Transceiver Series, both of which are
designed to be operated under the FCCs Part 15 license-free rules. The iNET radio is a Frequency
Hopping Spread Spectrum (FHSS) transceiver that operates at data speeds of 256 and 512 kbps.
The iNET-II is a similar design, but it is certified under the Digital Transmission System (DTS)
provisions of FCC Part 15 and can operate at data speeds of 512 or 1024 kbps. Operational differences between these two models are identified, as necessary, in this manual.
NOTE:
Other GE MDS i NET 900 Series Documentation
Startup Guide
vided with the transceiver and is limited to essential information needed for installers. The installation guide assumes some guidance to installers will be provided by the readers of this manual.
This includes such things as antenna selection, radio communication site survey tools and techniques, and network design.
GE MDS iNET and GE MDS iNET-II transceivers are
The associated GE MDS
i
NET 900 Series Startup Guide, P/N 05-2873A01, is pro-
not
over-the-air compatible.
Related Materials on the Internet
tion notes, firmware upgrades and other updated information is available on the GE MDS Web site
at www.GEmds.com.
iNET Series Reference Manual 05-2806A01, Rev. H
Data sheets, frequently asked questions, case studies, applica-
About GE MDS
Almost two decades ago, GE MDS began building radios for business-critical applications. Since
then, weve installed nearly 100,000,000 radios in over 110 countries. To succeed, we overcame
impassable terrain, brutal operating conditions and disparate, complex network configurations. We
also became experts in wireless communication standards and system applications worldwide. The
result of our efforts is that today, thousands of utilities around the world rely on GE MDS-based
wireless networks to manage their most critical assets.
The majority of GE MDS radios deployed since 1985 are still installed and performing within our
customers’ wireless networks. Thats because we design and manufacture our products in-house,
according to ISO 9001 which allows us to control and meet stringent global quality standards.
Thanks to our durable products and comprehensive solutions, GE MDS is the wireless leader in
industrial automationincluding oil and gas production and transportation, water/wastewater
treatment, supply and transportation, electric transmission and distribution and many other utility
applications. GE MDS is also at the forefront of wireless communications for private and public
infrastructure and online transaction processing. Now is an exciting time for GE MDS and our customers as we look forward to further demonstrating our abilities in new and emerging markets.
As your wireless needs change you can continue to expect more from GE MDS. We’ll always put
the performance of your network above all. Visit us at www.GEmds.com for more information.
OPERATIONAL & SAFETY NOTICES
RF Exposure
Professional installation required. The radio equipment described in this guide emits radio
frequency energy. Although the power level is low, the concentrated energy from a directional antenna may pose a health hazard. Do not allow people to come closer than 23 cm
(9 inches) to the antenna when the transmitter is operating in indoor or outdoor environments. More information on RF exposure is on the Internet at
www.fcc.gov/oet/info/documents/bulletins
.
UL/CSA Notice
This product is available for use in Class 1, Division 2, Groups A, B, C & D Hazardous Locations. Such locations are
defined in Article 500 of the National Fire Protection Association (NFPA) publication
the National Electrical Code.
The transceiver has been recognized for use in these hazardous locations by two independent agencies Underwriters
Laboratories (UL) and the Canadian Standards Association (CSA). The UL certification for the transceiver is as a Recognized Component for use in these hazardous locations, in accordance with UL Standard 1604. The CSA Certification is in accordance with CSA STD C22.2 No. 213-M1987.
UL/CSA Conditions of Approval: The transceiver is not acceptable as a stand-alone unit for use in the hazardous
locations described above. It must either be mounted within another piece of equipment which is certified for
hazardous locations, or installed within guidelines, or conditions of approval, as set forth by the approving agencies.
These conditions of approval are as follows:
The transceiver must be mounted within a separate enclosure which is suitable for the intended application.
NFPA 70
, otherwise known as
The antenna feedline, DC power cable and interface cable must be routed through conduit in accordance with the
National Electrical Code.
Installation, operation and maintenance of the transceiver should be in accordance with the transceiver’s installation
manual, and the National Electrical Code.
Tampering or replacement with non-factory components may adversely affect the safe use of the transceiver in hazardous locations, and may void the approval.
05-2806A01, Rev. H iNET Series Reference Manual vii
(UL/CSA Notice continued on next page...)
A power connector with screw-type retaining screws as supplied by GE MDS must be used.
Do not disconnect equipment unless power has been switched off or the area is known to
be non-hazardous.
EXPLOSION
HAZARD!
Refer to Articles 500 through 502 of the National Electrical Code (NFPA 70) for further
information on hazardous locations and approved Division 2 wiring methods.
FCC Part 15 Notices
The transceiver series 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. This device is specifically designed to be used under Section 15.247
of the FCC Rules and Regulations. Any unauthorized modification or changes to this device without the express
approval of Microwave Data Systems may void the users authority to operate this device. Furthermore, the iNET
Series is intended to be used only when installed in accordance with the instructions outlined in this manual. Failure
to comply with these instructions may also void the users authority to operate this device.
Part 15 rules also require that the Effective Isotropic Radiated Power (EIRP) from an GE MDS iNET Series installation
not exceed 36 dBm. Refer to
Antenna & Feedline Selection
on Page 132 for more information.
Industry Canada RSS Notices
Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device
must accept any interference, including interference that may cause undesired operation of the device.
To reduce potential radio interference to other users, the antenna type and its gain should be chosen so that the Equivalent Isotropic Radiated Power (EIRP) is not more than that permitted for successful communication.
This device as been designed to operate with the antennas listed below, and having a maximum gain of 12 dB.
Antennas not included in this list or having a gain greater than 12 dB are strictly prohibited for use with this device.
The required antenna impedance is 50 ohms. Refer to Table 4-3 on Page 138 for a list of antennas acceptable for use
with this transceiver.
Manual Revision and Accuracy
This manual was prepared to cover a specific version of firmware code. Accordingly, some screens and features may
differ from the actual unit you are working with. While every reasonable effort has been made to ensure the accuracy
of this publication, product improvements may also result in minor differences between the manual and the product
shipped to you. If you have additional questions or need an exact specification for a product, please contact our Customer Service Team using the information at the back of this guide. In addition, manual updates can often be found on
the GE MDS Web site at www.GEmds.com.
Environmental Information
The manufacture of this equipment has required the extraction and use of natural resources. Improper disposal may
contaminate the environment and present a health risk due to hazardous substances contained within. To avoid dissemination of these substances into our environment, and to limit the demand on natural resources, we encourage you to
use the appropriate recycling systems for disposal. These systems will reuse or recycle most of the materials found in
this equipment in a sound way. Please contact GE MDS or your supplier for more information on the proper disposal
of this equipment.
viii
iNET Series Reference Manual 05-2806A01, Rev. H
PRODUCT OVERVIEW
1
1 Chapter Counter Reset Paragraph
Contents
1.1 ABOUT THIS MANUAL ............................................................... 3
1.2 PRODUCT DESCRIPTION ......................................................... 3
1.3 APPLICATIONS ........................................................................... 7
AND APPLICATIONS
1.1.1 Related Publication ....................................................................... 3
1.2.1 Model Offerings ............................................................................. 5
1.2.2 Differences Between iNET and iNET-II Models ............................6
1.2.3 GE MDS P21 Protected Network (Redundant) Configuration ......6
1.3.1 Wireless LAN ................................................................................7
1.3.2 Point-to-Point LAN Extension .......................................................8
1.3.3 Backhaul for Serial Radio Networks .............................................8
1.3.4 Multiple Protocols and/or Services ................................................ 9
1.3.5 Wireless LAN with Mixed Services ..............................................10
1.3.6 Upgrading Older Wireless Network with
Serial Interfaces ..................................................................................... 10
Replacing Legacy Wireless Products ............................................... 11
Supplement legacy wireless network with IP services ..................... 11
1.3.7 High-Speed Mobile Data ............................................................. 11
1.4 NETWORK DESIGN CONSIDERATIONS ................................ 12
1.4.1 Extending Network Coverage with Repeaters ............................12
What is a Repeater System?............................................................12
Option 1Using two transceivers to form a repeater station
(back-to-back repeater) ....................................................................12
Option 2Using the AP as a Store-and-Forward Packet
Repeater...........................................................................................13
1.4.2 Protected Network Operation using Multiple Access Points ....... 14
1.4.3 Collocating Multiple Radio Networks ..........................................14
The Network Name and the association process ............................. 14
Can radio frequency interference (RFI) disrupt my wireless network?.
15
1.5 CYBER SECURITY ................................................................... 15
1.6 ACCESSORIES......................................................................... 17
05-2806A01, Rev. H iNET Series Reference Manual 1
2 iNET Series Reference Manual 05-2806A01, Rev. H
1.1 ABOUT THIS MANUAL
This Reference Manual is designed for use by professional installers and
technicians. It contains an in-depth description of the product, including
installation, configuration, and troubleshooting details.
1.1.1 Related Publication
A companion publication, the GE MDS iNET Series Start-Up Guide is
also available (Part No. 05-2873A01). This smaller guide contains the
essential information for installing the radio and placing it into operation. This guide is recommended for those primarily involved in the
installation and setup of the product.
1.2 PRODUCT DESCRIPTION
The GE MDS iNET 900 transceiver (Figure 1-1) provides an
easy-to-install wireless local area network (WLAN) service with long
range and secure operation. It supports both Ethernet and serial data
interface options at over-the-air data speeds of up to 1 Mbps (iNET-II)
and 512 kbps (iNET).
Rugged Packaging
NOTE: For information on the GE MDS iNET 900 ENI, which
provides expanded gateway and protocol conversion capabilities not found in the GE MDS iNET 900 (DF1 to EIP, and
MODBUS to MODBUS TCP conversions), refer to the GE
MDS iNET/ENI Supplement (05-4131A01).
Invisible place holder
Figure 1-1. The GE MDS iNET 900 Transceiver
The transceiver is housed in a compact and rugged cast-metal case that
need only be protected from direct exposure to the weather. It contains
a single printed circuit board with all necessary components for radio
operation and data communications. The only user-serviceable component in the case is a fuse on the DC power input line.
Simple Installation Most installations employ an omni-directional antenna at the Access
Point (AP) location and a directional antenna at each Remote unit. The
antenna is a vital link in the system and must be chosen and installed
05-2806A01, Rev. H iNET Series Reference Manual 3
correctly. See “INSTALLATION PLANNING” on Page 129 for guidance on choosing suitable installation sites and antennas.
For basic services, simply connect an antenna, connect your Ethernet
LAN to the transceiver’s
LAN port, apply primary power, set a few oper-
ating parameters, and you are done. No license is required for operation
in the U.S.A., Canada, and many other countries. Check requirements
for your region before placing the transceiver in service.
Secure Operation Data network security is a vital issue in today's wireless world. GE MDS
iNET Series radios provide multiple tools to help you build a network
that minimizes the risk of eavesdropping and unauthorized access. Some
are inherent in the radio's operation, such as the use of 900 MHz
spread-spectrum transmissions; others include data encryption, enabling/disabling remote access channels, and password protection.
Remember, security is not a one-step process that can simply be turned
on and forgotten. It must be practiced and enforced at multiple levels,
24 hours-a-day and 7 days-a-week. See “CYBER SECURITY” on
Page 15 for more information about the transceiver’s security tools.
Robust Radio
Operation
The transceiver is designed for frequency-hopping spread-spectrum
operation in the license-free 900 MHz Industrial, Scientific, and Medical (ISM) band. It can provide reliable communications at distances up
to 25 miles (40 km) over favorable terrain, even in the presence of weak
signals or interference. Frequency hopping allows the transceiver to
avoid interference from other transmitters in the same band, and provides frequency diversity for more reliable transmission. The
over-the-air MAC increases reliability by adding retries to failed messages.
The iNET-II transceiver, which is certified to operate under DTS rules
(hopping not required), also hops in order to achieve the same benefits
that are realized with the iNET transceiver which is certified under
FHSS rules.
Flexible Services Users with a mixture of equipment having Ethernet and serial data inter-
faces can choose to use one or two of the user-configurable serial ports
through the use of a Remote Dual Gateway. This flexibility allows the
transceiver to provide services in data networks that are being migrated
from legacy serial/EIA-232-based hardware to the faster and more
easily interfaced Ethernet world.
Flexible
Management
Configuration, commissioning, troubleshooting and other maintenance
activities can be done locally or remotely. Four different modes of
access are available: local RS-232 console, local or remote Internet Protocol (IP) access via Telnet or SSH, web browser (HTTP, HTTPS), and
SNMP (v1/v2/v3). The text-based interface (RS-232 console Telnet and
SSH) is implemented in the form of easy-to-follow menus, and the terminal server configuration includes a wizard to help you set up the units
correctly.
4 iNET Series Reference Manual 05-2806A01, Rev. H
Transceiver
Features
The transceiver’s design makes the installation and configuration easy,
while allowing for changes in the future.
• Long Range—Up to 30 miles (48 km) nominal range in
line-of-sight conditions. Repeater stations may be used to
extend the operational range. (Refer to TECHNICAL SPECIFI-
CATIONS on Page 158 for more detailed information on
range.)
• Industrial-Grade Product—Extended temperature range for
trouble-free operation in extreme environments
• Robust Radio Communications—Designed to operate in dense,
high-interference environments
• Robust Network Security—Prevents common attack schemes
and hardware from gaining access or control of network. Common attack events logged and reported by alarms.
• High Speed—1 Mbps (iNET-II) is 100-times faster than 9.6
kbps radios. GE MDS iNET transceiver speed is 512 kbps.
• Plug-and-Play Connectivity—Ethernet bridge configuration
option requires minimal setup
• Serial Ports—Gateway for serial-based equipment to IP/Ethernet networks with embedded terminal server. Site-to-site configurations are also possible.
• Single hardware package provides configuration as Access
Point or Remote
1.2.1 Model Offerings
The transceiver comes in two primary models—Access Point and
Remote. Three types of Remote Gateways are available—the Ethernet
Bridge, the Serial Gateway, and the Dual Gateway supporting both
IP/Ethernet and serial services. Table 1-1 summarizes the different
interface abilities for each type.
A unit can be configured by the owner to operate as an Access Point or
as a Remote with some restrictions. Only the Dual Gateway Remote
units can be reconfigured as an Access Point. Ethernet Bridge and a
Serial Gateway Remotes cannot be reconfigured as an Access Point
unless they are first upgraded to Dual Gateway type. This is accomplished with an “Authorization Key” purchased from the factory. Each
one of these individual software keys is associated with the serial
number of the corresponding unit.
05-2806A01, Rev. H iNET Series Reference Manual 5
Table 1-1. Transceiver Models and Data Interface Services
Model Type
Access Point
Remote… Ethernet
NOTES
1. Provides access to the embedded Management System on all units.
2. Can be upgraded to Dual Gateway with an Authorization Key.
3. Can be configured as an Access Point or Dual Gateway through the
embedded Management System.
3
N/A Yes Yes Yes
2
Bridge
Serial
Gateway
Dual Gateway
2
3
1
LAN
Yes No No
No Yes Yes
Yes Yes Yes
COM1
1
COM2
1.2.2 Differences Between iNET and iNET-II Models
The iNET and iNET-II Transceivers, while similar in many respects, do
have some important differences. The main differences are summarized
in Table 1-2:
Table 1-2. Transceiver Differences (iNET vs. iNET-II)
Characteristic iNET iNET-II
Data Rate 256/512 kbps 512 kbps/1 Mbps
FCC Certification
Type
Encryption RC4-128 AES-128
Channel size 316.5 kHz 600 kHz
Channel operation Zones Channels
Firmware Specific for iNET Specific for iNET-II
FHSS DTS
NOTE: The GE MDS iNET and GE MDS iNET-II transceivers are not
over-the-air compatible.
1.2.3 GE MDS P21 Protected Network (Redundant)
Configuration
For mission-critical applications, GE MDS also offers the Protected
Network Station. This radio incorporates two iNET Series transceivers,
two power supplies, and a switchover logic board that automatically
selects between Transceiver A and Transceiver B as the active radio.
Figure 1-2 shows a view of the protected chassis. For system-level
information on this product, see GE MDS publication 05-4161A01.
6 iNET Series Reference Manual 05-2806A01, Rev. H
Invisible place holder
Figure 1-2. GE MDS P21 Protected Network Station
(incorporates two Transceivers, with Automatic Switchover)
1.3 APPLICATIONS
The following sections provide illustrations of typical transceiver installations. This is meant as an overview only. It is recommended that a network manager be involved in all installation planning activities.
1.3.1 Wireless LAN
The wireless LAN is the most common application of the transceiver. It
consists of a central control station (Access Point) and one or more associated Remote units, as shown in Figure 1-3 on Page 8. A LAN provides
communications between a central WAN/LAN and remote Ethernet
segments. The operation of the radio system is transparent to the computer equipment connected to the transceiver.
The Access Point is positioned at a location from which it can communicate with all of the Remote units in the system. Commonly, this is a
high location on top of a building or communications tower. Messages
are exchanged at the Ethernet level. This includes all types of IP traffic.
A Remote transceiver can only talk over-the-air to an Access Point unit
(AP). Peer-to-peer communications between Remotes can only take
place indirectly via the AP. In the same fashion, an AP can only talk
over-the-air to associated Remote units. Exception: Two APs can communicate with each other “off-the-air” through their Ethernet connectors
using a common LAN/WAN.
05-2806A01, Rev. H iNET Series Reference Manual 7
Invisible place holder
Remote
Remote
Remote
LAN
LAN
Access Point
WAN/LAN
LAN
Remote
LAN
Figure 1-3. Typical Wireless LAN
1.3.2 Point-to-Point LAN Extension
A point-to-point configuration (Figure 1-4) is a simple arrangement
consisting of an Access Point and a Remote unit. This provides a communications link for the transfer of data between two locations.
Invisible place holder
Access Point
Remote
LAN/WAN
LAN
Figure 1-4. Typical Point-to-Point Link
1.3.3 Backhaul for Serial Radio Networks
One of the primary design features of the transceiver is to provide a path
for serial devices to migrate to IP/Ethernet. Many radio networks in
operation today still rely on serial networks at data rates of 9600 bps or
less. These networks can use the transceiver as a means to continue
using the serial service, while allowing the rest of the infrastructure to
migrate to an IP format.
A Remote transceiver using one serial port for the data stream, and the
other for network-wide diagnostics can support operational radio networks built with GE MDS serial-based radios, such as GE MDS
x790/x710, GE MDS TransNET and others. In the case of radios using
a single port for data and diagnostics, the capabilities are doubled. The
data streams are delivered to an IP socket in an application, or in serial
format using the Access Point.
8 iNET Series Reference Manual 05-2806A01, Rev. H
Invisible place holder
Serial
Device
Serial
Device
Serial
Device
Serial
Device
Serial
Device
Serial
Device
NETWORK
ROUTER
HUB
NMS Control
Point
ROUTER
SCADA Host
Modbus/IP
Access Point
Remote Serial
Remote Serial
Remote Serial
Diagnostics
Data
Diagnostics
Data
Diagnostics
Data
MDS 4790
Master
MDS 9790
Master
MDS 9810
MDS 4710 Remote
MDS 4710 Remote
MDS 9710 Remote
MDS 9710 Remote
MDS 9810 Remote
Master
MDS 9810 Remote
Figure 1-5. Backhaul Network
1.3.4 Multiple Protocols and/or Services
Prior to the iNET Series, two radios were often used to service two different types of devices (typically connected to different SCADA hosts).
An iNET or iNET-II radio provides this functionality with a single
remote radio. Each of the two serial ports can be connected via IP to different SCADA hosts, transporting different (or the same) protocols.
Both data streams are completely independent and the transceiver provides seamless simultaneous operation as shown in.
Invisible place holder
RTU
EIA-232
Flow Meter
EIA-232
EIA-232
EIA-232
EIA-232
EIA-232
Serial
Device
Serial
Device
Serial
Device
Serial
Device
NETview
HUB
HUB
WAN
ROUTER
HUB
HUB
Remote Serial
SCADA Host
Modbus/IP
Remote Serial
Access Point
Remote Serial
Access Point
SCADA Host
Total Flow
Figure 1-6. Multiple Protocol Network
By using a single radio, the cost of deployment is cut in half. Beyond
requiring only one radio instead of two, the biggest cost reduction comes
from using half of the required infrastructure at the remote site: one
05-2806A01, Rev. H iNET Series Reference Manual 9
antenna, one feedline, one lightning protector and ancillary hardware.
Other cost reductions come from the system as a whole, such as reduced
management requirements. And above all, the radio offers potential for
future applications that run over Ethernet and IP, such as video for
remote surveillance.
1.3.5 Wireless LAN with Mixed Services
The iNET transceiver is an excellent solution for a long-range industrial
wireless LAN. It offers several advantages over commercial solutions—
primarily improved performance over extended distances. The rugged
construction of the radio and its extended temperature range make it an
ideal solution even in harsh locations. In extreme environments, a
simple NEMA enclosure is sufficient to house the unit.
The transceiver trades higher speed for longer range. Commercial
802.11a/b/g solutions are designed to provide service to relatively small
areas such as offices, warehouses and homes. They provide high data
rates but have limited range. The iNET transmits at a higher power level,
uses a different frequency band, has higher sensitivity, and a narrower
channel to concentrate the radio energy and reach farther distances. It is
designed for industrial operation from the ground up.
IP-based devices that may be used with the transceiver include a new
breed of more powerful Remote Terminal Units (RTUs) and Programmable Logic Controllers (PLCs). These, as well as other devices, may
be used in applications ranging from SCADA/telemetry monitoring,
web-based video, security monitoring, and voice over IP. Figure 1-7
shows a typical wireless IP network.
Invisible place holder
Remote Bridge
Access Point
Remote Bridge
NMS Control
Point
SCADA Host
Modbus/IP
Printer
IP/Ethernet Device
Figure 1-7. Extended-Range LAN with Mixed Applications
IP Camera
IP/Ethernet Device
IP/Ethernet Device
1.3.6 Upgrading Older Wireless Network with
Serial Interfaces
Millions of wireless data products have been sold in the last two decades
for licensed and license-free operation, many of them manufactured by
10 iNET Series Reference Manual 05-2806A01, Rev. H
Microwave Data Systems. There are several ways that these systems can
benefit from incorporating iNET equipment. The chief advantages are
interface flexibility (serial and Ethernet in one unit), and higher data
throughput. By taking advantage of its built-in serial and Ethernet interfaces, the transceiver is well suited to replace leased lines, dial-up lines,
or existing MAS 900 MHz data transceivers.
Replacing Legacy Wireless Products
In most cases, legacy radio transceivers supporting serial-interface
equipment can be replaced with iNET transceivers. Legacy equipment
can be connected to the transceiver through the
a DB-25 to DB-9 cable wired for EIA-232 signaling. The
COM1 or COM2 port with
COM2 port
supports all standard EIA-232 signaling and acts as a data-terminal
equipment device (DTE).
NOTE: Several previous GE MDS-brand products had non-standard
signal lines on their interface connectors (to control sleep functions and alarm lines, for example). These special functions are
not provided nor supported by the iNET Series. Consult equipment manuals for complete pinout information.
Supplement legacy wireless network with IP services
The iNET Dual Gateway model can support up to two serial devices and
one Ethernet connection at the same time. The serial interfaces (
and
COM2) operate in two different modes: Connectionless UDP and
COM1
connection-oriented TCP.
In the UDP mode, the transceiver supports point-to-multipoint
serial-port to serial-port connectivity. In the TCP mode, it supports
point-to-point Ethernet/IP to serial port connectivity.
For further details on the transceiver’s Serial Gateway interface modes,
see “CONFIGURING THE SERIAL PORTS” on Page 60.
1.3.7 High-Speed Mobile Data
The iNET radios support high-speed data communications in a mobile
environment. Remote radios roam between different access points, providing seamless transitions and continuous coverage. For additional
information on configuring a mobile network, refer to Mobility Config-
uration Menu on Page 58.
05-2806A01, Rev. H iNET Series Reference Manual 11
1.4 NETWORK DESIGN
CONSIDERATIONS
1.4.1 Extending Network Coverage with Repeaters
What is a Repeater System?
A repeater works by re-transmitting data from outlying remote sites to
the Access Point and vice-versa. It introduces some additional
end-to-end transmission delay but provides longer-range connectivity.
In some geographical areas, obstacles can make communications difficult. These obstacles are commonly large buildings, hills, or dense
foliage. These obstacles can often be overcome with a repeater station.
Option 1—Using two transceivers to form a repeater station
(back-to-back repeater)
Although the range between transceivers can be a nominal 40 km (25
miles) over favorable terrain, it is possible to extend the range considerably by connecting two units together at one site in a “back-to-back”
fashion to form a repeater, as shown in Figure 1-8. This arrangement
should be used whenever the objective is to utilize the maximum range
between stations. In this case, using high-gain Yagi antennas at each
location will provide more reliable communications than their counterparts—omnidirectional antennas.
Overview
Invisible place holder
REPEATER
Access
Point
POINT-TO-POINT LINK
Access Point
LAN/WAN
Remote
Ethernet
Crossover Cable
Remote
Figure 1-8. Typical LAN with a Repeater Link
LAN
Remote
LAN
Remote
LAN
Two transceivers may be connected “back-to-back” through the LAN
Ports to form a repeater station. (The cable must be a “cross-over”
Ethernet cable for this to work). This configuration is sometimes
required in a network that includes a distant Remote that would otherwise be unable to communicate directly with the Access Point station
due to distance or terrain.
The geographic location of a repeater station is especially important. A
site must be chosen that allows good communication with both the
Access Point and the outlying Remote site. This is often on top of a hill,
building, or other elevated terrain from which both sites can be “seen”
12 iNET Series Reference Manual 05-2806A01, Rev. H
by the repeater station antennas. A detailed discussion on the effects of
terrain is given in Section 4.1.2, Site Selection (beginning on Page 131).
The following paragraphs contain specific requirements for repeater
systems.
Antennas Two antennas are required at this type of repeater station—one for each
radio. Measures must be taken to minimize the chance of interference
between these antennas. One effective technique for limiting interference is to employ vertical separation. In this arrangement, assuming
both are vertically polarized, one antenna is mounted directly over the
other, separated by at least 10 feet (3 Meters). This takes advantage of
the minimal radiation exhibited by most antennas directly above and
below their driven elements.
Another interference reduction technique is to cross-polarize the
repeater antennas. If one antenna is mounted for polarization in the vertical plane, and the other in the horizontal plane, an additional 20 dB of
attenuation can be achieved. (Remember that the corresponding stations
should use the same antenna orientation when cross-polarization is
used.)
Network Name The two radios that are wired together at the repeater site must have dif-
ferent network names.
Option 2—Using the AP as a Store-and-Forward Packet
Repeater
A wireless network can be extended through the use of an alternate
arrangement using the Access Point as a repeater to re-transmit the signals of all stations in the network. The repeater is a standard transceiver
configured as an Access Point, and operating in Store and Forward
mode. (See Figure 1-9.)
Invisible place holder
Remote
LAN/WAN
Remote
Access Point
REPEATER
Remote
Remote
LAN
LAN
LAN
Figure 1-9. Typical network with store-and-forward repeater
As with the conventional repeater described in Option 1 above, the location of a store and forward repeater is also important. A site must be
chosen that allows good communication with both the Access Point and
the outlying Remote site. This can be on the top of a hill, building, or
other elevated terrain from which all sites can be “seen” by the repeater
05-2806A01, Rev. H iNET Series Reference Manual 13
station antenna. A detailed discussion on the effects of terrain is given
in Section 4.1.2, Site Selection (beginning on Page 131)
1.4.2 Protected Network Operation using Multiple
Access Points
Although GE MDS transceivers have a very robust design and have
undergone intensive testing before being shipped, it is possible for isolated failures to occur. In mission-critical applications, down time can
be virtually eliminated by using some, or all, of the following configurations:
In a point-to-multipoint scenario, the Access Point services multiple
remotes. A problem in the Access Point will have an effect on all
remotes, since none will have access to the network. When operation of
the network does not tolerate any down time, it is possible to set up a
protected configuration for the Access Point to greatly reduce the possibility of this occurrence.
Two or more Access Points can be configured with the same Network
Name and kept active simultaneously, each with its own independent
antenna. In this scenario, Remotes will associate with either one of the
available Access Points. In case of a failure of one of the AP’s the
Remotes will quickly associate with another of the remaining Access
Points re-establishing connectivity to the end devices.
The Access Points are unaware of the existence of the other AP’s.
Because the hopping algorithm uses both the Network Name and the
Wireless MAC address of the AP to generate the hopping pattern, multiple AP’s can coexist—even if they use the same network name. The
collocated AP’s will be using different hopping patterns and frequencies
the great majority of the time. Although some data collisions will occur,
the wireless-MAC is built to tolerate and recover from such occurrences
with minimal degradation.
1.4.3 Collocating Multiple Radio Networks
Many networks can operate in relatively close physical proximity to one
another provided reasonable measures are taken to assure the radio
signal of one Access Point is not directed at the antenna of the second
Access Point.
The Network Name and the association process
The Network Name is the foundation for building individual radio networks. It is part of a beacon signal broadcast by the Access Point (AP)
to any Remote units with the same Network Name. Remotes that join the
network are referred to as being “associated” with the Access Point unit.
Multiple APs with the same Network Name should be used with care.
Using the same Network Name in multiple APs may result in Remotes
14 iNET Series Reference Manual 05-2806A01, Rev. H
associating with undesired APs and preventing data exchange from
occurring as planned.
The use of a different Network Name does not guarantee an interference-free system. It does however, assure that only data destined for a
unique network is passed through to that network.
Co-Location for
Multiple Networks
It may be desirable to co-locate Access Points at one location to take
advantage of an excellent or premium location that can serve two independent networks. Each network should have unique Network Name
and each AP unit’s antenna should be provided as much vertical separation as is practical to minimize RFI.
NOTE: All transceivers are shipped with the Network Name set to
“Not Programmed.” The Network Name must be programmed
in order to pass data and begin normal operations.
Can radio frequency interference (RFI) disrupt my wireless
network?
When multiple radio networks operate in close physical proximity to
other wireless networks, individual units may not operate reliably under
weak signal conditions and may be influenced by strong radio signals in
adjacent bands. This radio frequency interference cannot be predicted
with certainty, and can only be determined by experimentation. If you
need to co-locate two units, start by using the largest possible vertical
antenna separation between the two AP antennas on the same support
structure. If that does not work, consult with your factory representative
about other techniques for controlling radio frequency interference
between the radios. (See “A Word About Radio Interference” on
Page 136 for more details.)
1.5 CYBER SECURITY
Today the operation and management of an enterprise is becoming
increasing dependent on electronic information flow. An accompanying
concern becomes the cyber security of the communication infrastructure
and the security of the data itself.
05-2806A01, Rev. H iNET Series Reference Manual 15
The transceiver is capable of dealing with many common security
issues. Table 1-3 profiles security risks and how the transceiver provides a solution for minimizing vulnerability.
Table 1-3. Security Risk Management
Security Vulnerability GE MDS Cyber Security Solution
Unauthorized access to the backbone
network through a foreign remote radio
“Rogue” AP, where a foreign AP takes
control of some or all remote radios and
thus remote devices
Dictionary attacks, where a hacker runs a
program that sequentially tries to break a
password.
Denial of service, where Remote radios
could be reconfigured with bad
parameters bringing the network down.
Airsnort and other war-driving hackers in
parking lots, etc.
• 802.1x authentication
• Approved Remotes List (local)
Only those remotes included in the
AP list will associate
• 802.1x authentication
• Approved AP List
A remote will only associate to those
AP included in its local authorized
list of AP
• Failed-login lockdown
After 3 tries, the transceiver ignores
login requests for 5 minutes. Critical
event reports (traps) are generated
as well.
•Remote login with SSH or HTTPS
•Local console login
•Disabled HTTP & Telnet to allow
only local management services
•900 MHz operation is not
interoperable with standard 802.11b
wireless cards
•The transceiver cannot be put in a
promiscuous mode
•Proprietary data framing
Eavesdropping, intercepting messages
•AES-128 encryption (iNET-II)
•RC4-128 encryption (iNET)
Key cracking software
Replaying messages
16 iNET Series Reference Manual 05-2806A01, Rev. H
• Automatic Rotating Key algorithm
• Automatic Rotating Key algorithm
Table 1-3. Security Risk Management
Security Vulnerability GE MDS Cyber Security Solution
Unprotected access to configuration via
SNMPv1
Intrusion detection
•Implement SNMPv3 secure
operation
• Provides early warning via SNMP
through critical event reports
(unauthorized, logging attempts,
etc.)
• Unauthorized AP MAC address
detected at Remote
• Unauthorized Remote MAC
address detected at AP
• Login attempt limit exceeded
(Accessed via: Telnet, HTTP, or
local)
• Successful login/logout
(Accessed via: Telnet, HTTP, or
local)
1.6 ACCESSORIES
The transceiver can be used with one or more of the accessories listed in
Table 1-4. Contact the factory for ordering details.
Table 1-4. Accessories
Accessory Description GE MDS Part
AC Power
Adapter Kit
OmniDirectional
Antennas
Yagi Antenna
(Directional)
TNC Male-to-N
Female Adapter
TNC Male-to-N
Female Adapter
Cable
Ethernet RJ-45
Crossover
Cable (CAT5)
2-Pin Power
Plug
A small power supply module designed for
continuous service. UL approved. Input:
120/220; Output: 13.8 Vdc @ 2.5 A
Rugged antennas well suited for use at Access
Point installations. Consult with your factory
Sales Representative for details
Rugged antennas well suited for use at Remote
installations. Consult with your factory Sales
Representative for details.
One-piece RF adaptor plug. 97-1677A161
Short length of coaxial cable used to connect
the radio’s TNC antenna connector to a Type N
commonly used on large diameter coaxial
cables.
Cable assembly used to cross-connect the
Ethernet ports of two transceivers used in a
repeater configuration.
(Cable length ≈ 3 ft./1M)
Mates with power connector on transceiver.
Screw terminals provided for wires, threaded
locking screws to prevent accidental disconnect.
No.
01-3682A02
Call factory
Call factory
97-1677A159
(3 ft./1m)
97-1677A160
(6 ft./1.8m)
97-1870A21
73-1194A39
05-2806A01, Rev. H iNET Series Reference Manual 17
Table 1-4. Accessories (Continued)
Accessory Description GE MDS Part
Ethernet RJ-45
Straight-thru
Cable (CAT5)
EIA-232
Shielded Data
Cable
EIA-232
Shielded Data
Cable
Fuse Small, board-mounted fuse used to protect
Flat-Surface
Mounting
Brackets &
Screws
DIN Rail
Mounting
Bracket
COM2 Interface
Adapter
GE MDS
NETview MS
Software
Bandpass Filter Antenna system filter that helps eliminate
Ethernet Surge
Suppressor
Cable assembly used to connect an Ethernet
device to the transceiver. Both ends of the cable
are wired identically.
(Cable length ≈ 3 ft./1M)
Shielded cable terminated with a DB-25 male
connector on one end, and a DB-9 female on the
other end. Two lengths available (see part
numbers at right).
Shielded cable terminated with a DB-9 male
connector on one end, and a DB-9 female on the
other end, 6 ft./1.8m long.
against over-current conditions.
Brackets: 2˝ x 3˝ plates designed to be screwed
onto the bottom of the unit for surface-mounting
the radio.
Screws: 6-32/1/4˝ with locking adhesive.
(Industry Standard MS 51957-26)
Bracket used to mount the transceiver to
standard 35 mm DIN rails commonly found in
equipment cabinets and panels.
DB-25(F) to DB-9(M) shielded cable assembly
(6 ft./1.8 m) for connection of equipment or other
EIA-232 serial devices previously connected to
“legacy” units. (Consult factory for other lengths
and variations.)
PC-based network management system for
new-generation GE MDS transceivers. Allows
radio control and diagnostics in a hierarchal
map perspective.
interference from nearby paging transmitters.
Surge suppressor for protection of Ethernet port
against lightning.
No.
97-1870A20
97-3035L06
(6 ft./1.8m)
97-3035L15
(15 ft./4.6m)
97-1971A03
29-1784A03
82-1753-A01
70-2620-A01
03-4022A02
97-3035A06
03-3938A01
20-2822A02
29-4018A01
18 iNET Series Reference Manual 05-2806A01, Rev. H
EMBEDDED
2
2 Chapter Counter Reset Paragraph
Contents
2.1 INTRODUCTION ....................................................................... 23
2.2 ACCESSING THE MENU SYSTEM .......................................... 25
2.3 BASIC DEVICE INFORMATION................................................ 32
MANAGEMENT SYSTEM
2.1.1 Differences in the User Interfaces ............................................... 23
2.2.1 Methods of Control ...................................................................... 26
2.2.2 PC Connection & Log In Procedures .......................................... 26
2.2.3 Navigating the Menus .................................................................31
Via Terminal Telnet or SSH Sessions
Recommended for first-time log-in ...................................................31
Navigating via Web Browser ............................................................31
2.3.1 Starting Information Screen ........................................................32
2.3.2 Main Menu ..................................................................................34
2.3.3 Configuring Basic Device Parameters ........................................35
Device Information............................................................................ 35
Device Names Menu ........................................................................36
2.4 CONFIGURING NETWORK PARAMETERS ............................ 37
2.4.1 Network Configuration Menu ......................................................37
2.4.2 Network Interface Configuration Menu .......................................39
Virtual LAN in iNET-II and iNET........................................................ 40
Configuring for Operation with VLAN ...............................................41
Configuring the IP Address when VLAN Status is Enabled..............42
Configuring the IP Address When VLAN Status is Disabled ............43
2.4.3 Ethernet Port Configuration Menu ..............................................45
2.4.4 DHCP Server Configuration ........................................................46
2.4.5 SNMP Agent Configuration .........................................................47
2.4.6 Prioritized AP Configuration Submenu ........................................49
2.5 RADIO CONFIGURATION ........................................................ 51
2.5.1 Radio Configuration Menu ..........................................................51
2.5.2 Channel Config Menu .................................................................54
2.5.3 Skip Zones Menu ........................................................................ 55
2.5.4 Auto Data Rate Configuration Menu ........................................... 56
2.5.5 Mobility Configuration Menu .......................................................58
Additional Considerations for Mobile Operation ...............................59
At Every Mobile (Remote) Radio ...................................................... 59
05-2806A01, Rev. H iNET Series Reference Manual 19
At Every AP Radio ............................................................................ 60
2.6 CONFIGURING THE SERIAL PORTS ...................................... 60
2.6.1 Overview ..................................................................................... 60
Com1 Port—Dual Purpose Capability................................................61
TCP vs. UDP .................................................................................... 61
Serial Encapsulation.........................................................................61
TCP Client vs. TCP Server...............................................................62
UDP Multicast...................................................................................62
PPP ..................................................................................................63
Data Buffering................................................................................... 63
Implementing Configuration Changes ..............................................63
Serial Configuration Wizard..............................................................63
2.6.2 Serial Data Port Configuration Menu ..........................................63
2.6.3 Configuring for UDP Mode ..........................................................64
2.6.4 Configuring for TCP Mode ..........................................................68
2.6.5 Configuring for PPP Mode ..........................................................70
2.6.6 IP-to-Serial Application Example .................................................71
2.6.7 Point-to-Multipoint IP-to-Serial Application Example ...................72
2.6.8 Point-to-Point Serial-to-Serial Application Example ....................74
2.6.9 Combined Serial and IP Application Example .............................75
Operation and Data Flow.................................................................. 75
2.6.10 Virtual LAN in iNET-II and iNET ................................................77
Configuring for Operation with VLAN ...............................................78
2.7 CYBER SECURITY CONFIGURATION .................................... 78
2.7.1 Device Security ........................................................................... 79
2.7.2 Wireless Security ........................................................................80
Local AuthenticationApproved Remotes/Access Points List
Submenu ..........................................................................................81
2.7.3 RADIUS Configuration ................................................................ 82
Operation of Device Authentication .................................................. 83
Operation of User Authentication......................................................83
2.7.4 RADIUS Configuration ................................................................ 84
2.7.5 Certificate Management (Remote transceivers only) ..................84
2.8 PERFORMANCE VERIFICATION............................................. 85
2.8.1 RSSI by Zone Menu (Remotes Only) ..........................................87
2.8.2 Event Log Menu ..........................................................................88
Time and Date .................................................................................. 88
View Current Alarms.........................................................................90
View Event Log................................................................................. 91
2.8.3 Packet Statistics Menu ................................................................ 91
Wireless Packet Statistics ................................................................91
Ethernet Packet Statistics................................................................. 92
Packets Received by Zone...............................................................93
2.8.4 Wireless Network Status (Remotes Only) ................................... 94
The Transceivers Association Process............................................94
20 iNET Series Reference Manual 05-2806A01, Rev. H
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