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Microwave Data Systems iNET 900 Series User Manual

Wireless ip/ethernet
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Microwave Data Systems Inc.
™
MDS iNET 900
Series
Wireless IP/Ethernet Transceiver
Firmware Release 4
MDS 05-2806A01, Rev. E.1
DECEMBER 2005

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Summary of Contents for Microwave Data Systems iNET 900 Series

  • Page 1 Microwave Data Systems Inc. ™ MDS iNET 900 Series Wireless IP/Ethernet Transceiver Firmware Release 4 MDS 05-2806A01, Rev. E.1 DECEMBER 2005...

  • Page 2: Basic Configuration Defaults

    QUICK-ST ART INSTRUCTIONS QUICK-ST ART INSTRUCTIONS INSTALLATION SUMMARY Step 1 – Mount the Transceiver Step 2 – Install the Antenna ANTENNA SYSTEM Step 3 – Measure & Connect Primary Power (10.5–30 Vdc) Step 4 – Review the transceiver’s Configuration DATA TERMINAL Device Mode—Access Point, or Remote (Default) EQUIPMENT OR LAN/WAN...

  • Page 3: Table Of Contents

    2.4 STEP 3—CONNECT PC TO THE TRANSCEIVER ............20 2.5 STEP 4—REVIEW TRANSCEIVER CONFIGURATION..........21 2.5.1 Getting Started ........................21 2.5.2 Procedure .......................... 21 2.5.3 Basic Configuration Defaults ..................... 21 MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 4 3.6.7 Point-to-Point Serial-to-Serial Application Example ............68 3.6.8 Point-to-Multipoint Serial-to-Serial Application Example ........... 69 3.6.9 Mixed Modes ........................71 3.7 SECURITY CONFIGURATION ..................73 3.7.1 Approved Remotes/Access Points List Menu ..............75 MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 5 5.1.5 How Much Output Power Can be Used? ................. 135 5.1.6 Conducting a Site Survey ....................135 5.1.7 A Word About Radio Interference ..................136 5.2 dBm-WATTS-VOLTS CONVERSION CHART ............139 MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 6 6.5.1 Overview .......................... 151 GLOSSARY OF TERMS & ABBREVIATIONS..155 Copyright Notice This publication is protected by U.S.A. copyright law. Copyright 2005, Microwave Data Systems, Inc. All rights reserved. ISO 9001 Registration Microwave Data Systems adheres to the internationally-accepted ISO 9001 quality system stan- dard.
  • Page 7 Laboratories (UL) and the Canadian Standards Association (CSA). The UL certification for the transceiver is as a Rec- ognized Component for use in these hazardous locations, in accordance with UL Standard 1604. The CSA Certifica- tion is in accordance with CSA STD C22.2 No. 213-M1987. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 8 FCC Rules and Regulations. Any unauthorized modification or changes to this device without the express approval of Microwave Data Systems may void the user s 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 user s authority to operate this device.

  • Page 9: Product Overview And Applications

    1.3.2 Protected Network Operation using Multiple Access Points ..12 1.3.3 Collocating Multiple Radio Networks ........13 1.4 MDS SECURITY SUITE ............14 1.4.1 Early Warning via SNMP Traps ..........15 1.5 ACCESSORIES............... 15 MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 10 MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 11: Product Description

    Secure Operation Data network security is a vital issue in today's wireless world. The MDS iNET 900 Series design provides 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 spread-spectrum transmissions;...
  • Page 12 • Serial Ports—Gateway for serial-based equipment to IP/Ether- net networks with embedded terminal server. Site-to-site con- figurations are also possible. • Single hardware package provides configuration as Access Point or Remote MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 13: Model Offerings

    6. A LAN provides communications between a central WAN/LAN and remote Ethernet segments. The operation of the radio system is transparent to the com- puter equipment connected to the transceiver. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 14: Point-To-Point Lan Extension

    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. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 15: Multiple Protocols And/Or Services

    SCADA hosts, transporting different (or the same) protocols. Both data streams are completely independent and the transceiver pro- vides seamless simultaneous operation as shown in Figure 1-5 on Page MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 16: Wireless Lan With Mixed Services

    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 1-6 shows a typical wireless IP network. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 17: 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 Microwave Data Systems. There are several ways that these systems can benefit from incorporating MDS iNET 900 equipment. The chief advan- tages are interface flexibility (serial and Ethernet in one unit), and higher data throughput.

  • Page 18: High-Speed Mobile Data

    In this case, using high-gain Yagi antennas at each location will provide more reliable communications than their counterparts—omni- directional antennas. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 19 The two radios that are wired together at the repeater site must have dif- ferent network names. To set or view the network names, see “STEP 3— CONNECT PC TO THE TRANSCEIVER” on Page 20 for details. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 20: Protected Network Operation Using Multiple Access Points

    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. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 21: Collocating Multiple Radio Networks

    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 MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 22: Mds Security Suite

    The transceiver cannot be put in a promiscuous mode • Proprietary data framing Eavesdropping, intercepting messages • 128-bit encryption Key cracking • Automatic Rotating Key algorithm Replaying messages • 128-bit encryption with rotating keys MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 23: Early Warning Via Snmp Traps

    97-1677A160 (6 ft./1.8m) Ethernet RJ-45 Cable assembly used to cross-connect the 97-1870A21 Crossover Ethernet ports of two transceivers used in a Cable (CAT5) repeater configuration. (Cable length ≈ 3 ft./1M) MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 24 Bandpass Filter Antenna system filter that helps eliminate 20-2822A02 interference from nearby paging transmitters. Ethernet Surge Surge suppressor for protection of Ethernet port 29-4018A01 Suppressor against lightning. 10/100BaseT compatible. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 25: Tabletop Evaluation And Test Setup

    2.5.1 Getting Started ................. 21 2.5.2 Procedure ................. 21 2.5.3 Basic Configuration Defaults ............ 21 2.6 STEP 5—CONNECT LAN AND/OR SERIAL EQUIPMENT..22 2.7 STEP 6—CHECK FOR NORMAL OPERATION ..... 23 MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 26 MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 27: Overview

    • 1W Minimum Rating Remote Access Point NON-RADIATING ATTENUATORS • Install on unused divider ports (if any) POWER DIVIDER COMPUTER • 1W Minimum Rating Figure 2-1. Typical setup for tabletop-testing of radios MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 28: Step 2-Measure & Connect The Primary Power

    Connect a PC’s Ethernet port to the port using an Ethernet cross- over cable. The LED should light. Alternately, you can use a serial cable to connect to the port. (Figure 2-3 on Page COM1 MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 29: Step 4-Review Transceiver Configuration

    Figure 5-1 on Page 129 for hookup.) NOTE: Access to the transceiver’s Management System and changes to some parameters, are controlled by password when accessing by means of a Web browser or Telnet. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 30: Step 5-Connect Lan And/Or Serial Equipment

    Telnet or the web browser through the Ethernet port; use Telnet or the web browser through the antenna port (remote management). Figure 2-3 on Page 23 shows the default functions and services for the interface connectors. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 31: Step 6-Check For Normal Operation

    COM1 Blinking Data TX/RX (MGT System) No data activity COM2 Blinking Data TX/RX No data activity Primary power (DC) present Blinking Unit in “Alarmed” state Primary power (DC) absent MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 32 LEDs, you can use the command to verify the link PING integrity with the Access Point or pointing your browser to another Remote unit’s IP address in the same network. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 33: Embedded Management System

    3.6.5 Configuring for PPP Mode ............66 3.6.6 IP-to-Serial Application Example ..........67 3.6.7 Point-to-Point Serial-to-Serial Application Example ....68 3.6.8 Point-to-Multipoint Serial-to-Serial Application Example ..69 3.6.9 Mixed Modes ................71 3.7 SECURITY CONFIGURATION..........73 MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 34 3.9.4 Auto-Upgrade/Remote-Reboot Menu ........106 3.9.5 Radio Test Menu ..............107 3.9.6 Ping Utility Menu ..............108 3.9.7 Reset to Factory Defaults ............108 3.9.8 Resetting the Password ............108 MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 35: Ms Introduction

    Below are examples of the Starting Information Screen seen through a terminal and a Web-browser, respec- tively. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 36 Figure 3-1. Embedded Management System—Top-level Flowchart MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 37: Accessing The Menu System

    The radio has no external controls. All configuration, diagnostics and control is performed electronically using a connected PC. This section explains how to connect a PC, log into the unit, and gain access to the built-in menu screens. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 38: Methods Of Control

    The following steps describe how to access the radio’s menu system. These steps require a PC to be connected to the unit’s port COM 1 as shown in Figure 3-4. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 39 Wait for the log-in screen before proceeding. 3. Press the key to receive the prompt. ENTER login: MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 40 You can identify or verify the unit’s IP address by using a Local Console session to communicate with the entraNET through its Port and viewing the Starting COM 1 Information Screen. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 41 3-7) where you enter a user name and password to access the unit’s menu system. Note that the default entries are made in lower case. (Default User Name: admin Default Password: admin MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 42: Navigating The Menus

    To move further down a menu tree, you type the letter assigned to an item of interest. This takes you to an associated screen where settings may be viewed, or changed. In most cases, MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 43 Note that the default setting is always shown after a semicolon: [ available settings or range; default setting MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 44: Basic Device Information

    • Operational—Unit operating normally. At a Remote: • Scanning—The unit is looking for an Access Point beacon signal. • Exp(ecting) Sync(hronization)—The unit has found a valid beacon signal for its network. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 45: Main Menu

    Starting Information Screen start-up screen. (See “Starting Information Screen” on Page • —Tools to configure the data network layer Network Configuration of the transceiver. (See “Network Configuration Menu” on Page MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 46: Configuring Basic Device Parameters

    Figure 3-11. Device Information Menu • (Display only) Model Number • Serial Number (Display only) • Hardware Version (Display only) • —Current firmware installed and Firmware Version (Display only) being used by the transceiver. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 47 —User defined; appears on this screen only. Owner • —User defined; appears on this screen only. Contact • —User defined; appears on this screen only. Description • —User defined; appears on this screen only. Location MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 48: Configuring Network Parameters

    Mode, IP Address and Network Name. Screens for both the Access Point and Remote units are shown below. Figure 3-13. Network Configuration Menu From Access Point Figure 3-14. Network Configuration Menu From Remote Unit MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 49: Ethernet Port Configuration Menu

    Mobile Data Configuration on Page 54. [ enabled, disabled; disabled • —Number of Remotes permitted to Maximum Remotes (AP Only) be associated with (served by) this Access Point. [ MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 50: Ip Address Configuration Menu

    When dynamic addressing is used, the radio uses a DHCP Client process to obtain an IP address from a DHCP Server, along with other parame- ters such as a net mask and a default gateway. Figure 3-15. IP Address Configuration Menu MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 51: Ethernet Port Configuration Menu

    10BaseT and 100BaseT connections. Confirm that your hub/switch is capable of auto-switching data rates. To prevent Ethernet traffic from degrading iNET 900 perfor- mance, place the iNET in a segment, or behind routers. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 52: Dhcp Server Configuration

    Protocol) services. This service eliminates setting individual device IP address on Remotes in the network, but it still requires thoughtful planning of the IP address range. One drawback to network-wide auto- MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 53 —Selecting this option forces the transceiver Restart DHCP Server to start servicing DHCP requests using the Starting Address. Payload data will not be interrupted but may experience some delays as new addresses are distributed. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 54: Snmp Agent Configuration

    In addition, some management systems may require the MIB files to be compiled in the order shown above. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 55 Agent responds only to that version of SNMP traffic. If the mode is v1-v2, or v1-v2-v3, the Agent responds to the specified version of SNMP traffic. v1-v2-v3 MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 56: Radio Configuration

    Skip Zone Options. 3.5.1 Radio Configuration Menu Figure 3-19. Radio Configuration Menu From iNET Access Point (iNET II data rate selection is 512/1024 kbps) MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 57 Text files are typically the most compressible, whereas binary files are the least compressible. On average, a 30% increase in throughput can be achieved with compression enabled. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 58 • —Number of bytes for the over-the-air RTS/CTS RTS Threshold handshake boundary. (See “Network Performance Notes” on Page 87.) [ 0 to 1600 bytes; 500 MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 59 “continuous” or “persistent” interference to your system. To alleviate this form of interference, the trans- ceiver may be programmed to “block out” affected portions of the spectrum using the Skip Zones Menu. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 60 Mobile applications are one example of where Auto Data Rate might be used. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 61 For example, a strong, but noisy signal would likely be less useful than a weak signal with low noise levels. Proper use of the threshold and delta settings will result in smoother, more reliable perfor- mance from your wireless link. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 62: Mobile Data Configuration

    Figure 3-24). After association is lost with an AP, and scanning for an alternate AP is started, the former AP is removed from the scan list for one minute, to MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 63 Compression at the radio level, although highly efficient, works at the individual packet level. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 64: Configuring The Serial Interfaces

    Auto Data Rate Configuration submenu described on Page 52. 3.6 CONFIGURING THE SERIAL INTERFACES 3.6.1 Overview The transceiver includes an embedded serial device server that provides transparent encapsulation over IP. In this capacity, it acts as a gateway MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 65 TCP or UDP packet (TCP or UDP are user configurable options). In the same manner, all data bytes received in a TCP or UDP packet are output through the serial port. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 66 (for example, point-to-multipoint mode where the iNET 900 acts as a point) will not join the group to receive multicast data because the host’s inbound data is directed unicast data. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 67: Serial Data Port Configuration Menu

    3.6.2 Serial Data Port Configuration Menu The first two menu items present the identical parameter fields for each port with one exception—Flow Control. This is available only on COM2. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 68: Configuring For Udp Mode

    Figure 3-26. UDP Point-to-Multipoint Menu UDP point-to-multipoint to send a copy of the same packet to multiple destinations, such as in a polling protocol. • —Enable/Disable the serial data port. Status MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 69 (inter-character time-out). UDP packet sizes are delimited and sent out based on the Seamless Inter-Frame Delay only when receiving data through the serial port. MODBUS defines a “3.5-character” parameter. 1–65,535; 4 MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 70 —Port number where data is received and passed Local IP Port through to the serial port. This port number must be used by the application connecting to this transceiver. [ 1–64,000; COM1: 30010, COM2: 30011 MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 71 16, 32, 64, 128, 256; 32 • —Save and execute changes Commit Changes and Exit Wizard made on this screen (Shown only after changes have been entered.) MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 72: Configuring For Tcp Mode

    7N1, 7E1, 7O1, 8N1, 8E1, 8O1, 8N1, 7N2, 7E2, 7O2, 8N2, 8E2, 8O2; • —RTS/CTS handshaking between Flow Control [Com2 Only] the transceiver and the connected device. Enable, Disable; Disabled MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 73 The port num- ber must be used by the application connecting to local TCP or UDP socket. Any valid IP port; COM1: 30010, COM2: 30011 MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 74: Configuring For Ppp Mode

    —Save and execute changes Commit Changes and Exit Wizard made on this screen (Shown only after changes have been entered.) 3.6.5 Configuring for PPP Mode Invisible place holder Figure 3-30. PPP Menu MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 75: Ip-To-Serial Application Example

    In TCP mode, the transceiver remains in a passive mode offering a socket for connection. Once a request is received, data received at the serial port will be sent out through the IP socket and vice versa, until the MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 76: Point-To-Point Serial-To-Serial Application Example

    Likewise, data presented at the Remote’s port is packetized, sent to the Access Point, stripped, and sent out the Access Point’s port. Note, this configuration does not use multicast addressing. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 77: Point-To-Multipoint Serial-To-Serial Application Example

    Remotes. Upon receiving the packet all of the Remotes strip the data out of the UDP packet and send it out their port. Likewise, data pre- sented at any of the Remotes’ ports is packetized, sent to the MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 78 Both COM ports can be used simultaneously for two independent data channels. 2. This address is an example only. Any Class D IP address (224.0.0.0–239.255.255.255) will work. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 79: Mixed Modes

    RTUs. This may be helpful when a mixed collection of RTUs is present where some RTUs can operate in a broadcast form while others cannot (see Figure 3-36 on Page 72 Table 3-4 on Page 72). MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 80: Operation And Data Flow

    Remote Units 1 & 2 Status Enabled (COM2) Baud Rate 2,400 Flow Control Disabled IP Protocol Receive on Port 30011 Remote Units 3 & 4 Status Enabled (COM2) Baud Rate 9,600 Flow Control Disabled MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 81: Security Configuration

    In the case of an AP, a Remote must be in the Approved Remotes List to be granted authorization. Before enabling this option, at least one entry must already exist in the Approved List. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 82 Also, the password should use all eight charac- ters. This helps protect against sophisticated hackers who may use a database of common words (for example, dictionary attacks) to determine a password. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 83: Approved Remotes/Access Points List Menu

    AP. • —Save all changes made during this session with Save Changes this menu. Changes will be implemented only if they are “saved” before exiting this menu. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 84: Performance Verification

    The fastest data rates can generally be achieved with stronger signal levels. • —Received Signal Strength Indicator by Zone. RSSI by Zone (See “RSSI by Zone Menu (Remotes Only)” on Page MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 85 RSSI measurements and Wireless Packet Statistics are based on mul- tiple samples over a period of several seconds. The average of these measurements will be displayed by the Management System. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 86 Time Server. This server can generally be provided by a standard Windows PC server SNTP application. In the absence of the SNTP services, the user must manually enter it at the MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 87 TFTP server resides. This same IP address is used in other screens/functions (reprogramming, logging, etc.). Changing it here also changes it for other screens/functions. Any valid IP address; 127.0.0.1 MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 88 That is, an alarm condition remains as an alarm until it has been cleared by correcting the cause (see Table 4-6 on Page 120 for corrective action). Figure 3-42. Current Alarms Screen MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 89 Packets dropped of a lack of buffers in the RF outbound queue. • —Packets that do not pass CRC. This may be due Receive errors to transmissions corrupted by RF interference. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 90 An improve- ment can be realized by blocking this zone (see Main Menu>>Radio Config- uration>>Skip Zone Option Invisible place holder Figure 3-45. Packets Received By Zone Menu MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 91 Remote loses the AP’s beacon for more than 20 seconds, the association process starts again. The Wireless Network Status Screen (Remote only) Figure 3-46. Wireless Network Status Screen • —Current state of the wireless network com- Connection Status munication. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 92 —IP Address of the Remote transceiver. IP Address • —Current association state of the Remote transceiver. State • —Time, in minutes, remaining before the device (address) AgeTime will be deleted from the table. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 93 • —Hardware address of the transceiver connected to this via Remote device. • —Over-the-air data packets received by the transceiver. and RxPkts passed on to the endpoint device. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 94 —Packets received by the transceiver through the Ether- RxViaEP net port. • —Packets sent by the transceiver through the Ethernet TxViaEP port. • —Packets discarded after exceeding five retries RetryEr over-the-air. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 95: Network Performance Notes

    Principles of Network Operation The following is a list of points that are useful for dealing with the net- working aspects of the transceiver. 1. The transceiver serves as a network bridge. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 96 • IP header: 20 bytes • Ethernet header: 14 bytes • 802.11 header 24 bytes • LLC and SNAP header: 8 bytes • FHSS (iNET) header and FCS: 16 bytes MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 97 6. Interference has a direct correlation to throughput. • Interference could be caused by any unnecessary traffic on the network from unrelated activities, or Radio Frequency Interfer- ence in the wireless spectrum. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 98 The latency of data passing through a network will depend on user data message length, the overall level of traffic on the network, and the quality of the radio path. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 99: Maintenance

    (See “Auto-Upgrade/Remote-Reboot Menu” on Page 106) • —A diagnostic tool for testing RF operation. Radio Test (See “Radio Test Menu” on Page 107) MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 100: Reprogramming Menu

    You can load new firm- ware into the inactive position and place it in service whenever you desire. Figure 3-52. Reprogramming Menu (Shown with “Image Copy” Selected) MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 101 —Text-based access to the Management System through Telnet a network connection. • —Connect to the transceiver using a Web browser Web Browser on a local PC connected directly to the radio’s LAN port or associated network. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 102 WITH iNET FILES MDS iNET 900 PORT IP ADDRESS: 172.0.0.B IP ADDRESS: 172.0.0.A INITIATE UPLOAD FROM HERE Figure 3-53. Firmware Upgrade Setup—Option 1 (TFTP Server and Firmware File on Same CPU) MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 103 —IP Address of server (host computer) run- TFTP Host Address ning TFTP server. • —Name of file ( to be pulled from the Retrieve File filename.ipk) TFTP server holding the firmware file. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 104: Error Messages During File Transfers

    Invalid file detected. Attempt to re-load, or use a different file. Sending LCP Requests The PPP server is querying for any clients that may need to connect. Port not Enabled The serial port is disabled. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 105: Configuration Scripts Menu

    There are over 50 user-controllable settings that can be used to optimize the network and saved into a Configuration File. However, MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 106 Descriptions for parameters that are functionally identical to both COM1 & COM2 are not repeated. Beginning of Configuration File ; MDS iNET ; Created 00-03-2002 6:59:41 IP Address: 192.168.1.1 MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 107 Configuration of character size, type of parity, and number of stop bits to be used. Com2 Port Config: 8N1 Configuration of character size, type of parity, and number of stop bits to be used MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 108 Access Point. RF Output Power Setpoint: 30 The desired amount of RF output power, measured in dBm. Power Cal Table DAC1: 98 21 additional values follow; do not alter MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 109 SNR value at that the connection is deemed “degraded” SNMP Read Community: public Community string for read access using SNMPv1 SNMP Write Community: private Community string for write access using SNMPv1 SNMP Trap Community: public MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 110 COM1 data will be received on this IP address Com2 Serial Data Rx IP Address: 169.254.0.2 Com2 Serial Data Flow Control: disabled Enables hardware flow control (RTS/CTS) in COM2 data mode MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 111 Encryption Enable: disabled Setting to enable over-the-air data encryption HTTP Enable: enabled Setting to enable the HTTP interface Telnet Enable: enabled Setting to enable the Telnet interface HTTP MD5 Authentication: disabled MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 112: Editing Configuration Files

    “Ethernet Remote” The mode must be compatible with any previously installed NOTE: These are Authorization Keys. case-sensitive. Network Name Used to identify different groups or Any 15-character locations alphanumeric string MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 113: Authorization Keys Menu

    NETview MS is designed to help users mon- itor system performance, configure network elements, detect faults and correct problems in the convenience of an office set- ting or at any other point in the network. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 114: Auto-Upgrade/Remote-Reboot Menu

    An AP running firmware version 4.4.0 (or newer) may be used as a file server to upgrade Remotes running older firmware (3.5.0 or earlier). Follow the steps below to perform the upgrade: MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 115: Radio Test Menu

    —Set radio operating frequency during the testing Frequency period to a single frequency. [ 915.0000 MHz • —Temporarily overrides the power level set- TX Output Power ting in the Radio Configuration Menu. [ MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 116: Ping Utility Menu

    The user has the ability to return the iNET password to the default value by entering a specific MDS-supplied authorization key at the admin login prompt. This event causes all radio parameters to return to the fac- MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 117 This prevents the new person from recovering the network settings of the true owner. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 118 MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 119: Measurements

    4.1.5 Correcting Alarm Conditions ............ 120 4.1.6 Logged Events ................. 121 4.2 RADIO (RF) MEASUREMENTS..........123 4.2.1 Antenna System SWR and Transmitter Power Output ..... 124 4.2.2 Antenna Aiming ................ 125 MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 120 MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 121: Troubleshooting & Radio Measurements

    You should check them first whenever a problem is suspected. Table 2-2 on Page 23 describes the function of each status LED. Table 4-1 below provides suggestions for resolving MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 122: Troubleshooting Using The Embedded Management System

    The embedded Management System is a good source of information that may be used remotely to provide pre- liminary diagnostic information, or may even provide a path to cor- recting the problem. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 123 Verify that all radios in the network have their Packet Mode troubles Redundancy Mode set to the same selection (Single Packet (extra characters in vs. Packet Repeat Mode). data, data not delivered) MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 124 Access Point unit, then there may be problem with the wireless network layer. Call in a radio technician to deal with wireless issues. Refer the technician to the RADIO (RF) MEASUREMENTS on Page 123 for infor- mation on antenna system checks. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 125 Ethernet (data) layers. These include: • Bytes In On Port xxx • Bytes In On Socket xxx • Bytes Out On Port xxx • Bytes Out On Socket xxx MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 126: Using Logged Operation Events

    View Current Alarms on Page Most events, classified as “critical” will make the LED blink, and will inhibit normal operation of the transceiver. The LED blinks until the corrective action is completed. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 127 MAC Address Invalid noMacAddress(6) Netname Invalid invalidNetname(12) EVENT_NETNAME EVENT_PLL_LOCK PLL Not locked pllLock(10) EVENT_POWER_CAL Power Calibrated/Not powerCal(8) Calibrated EVENT_POWER_HIGH RF Power Control rfPowerHigh(13) Saturated High EVENT_POWER_LOW RF Power Control rfPowerLow(14) Saturated Low MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 128: Correcting Alarm Conditions

    Services for assistance Flash Test Failed Internal check indicates Contact factory Technical corruption of Flash memory Services for assistance FPGA Failure Communication lost to the Contact factory Technical FPGA Services for assistance MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 129: Logged Events

    4.1.6 Logged Events (See View Event Log on Page The following events allow the transceiver to continue operation and do not make the LED blink. Each is reported through an SNMP trap. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 130: Event Log

    Ethernet port (LAN). This is expected behavior, resulting from the network configuration. Ethernet Port INFORM Self explanatory Enabled/Disabled Expected Sync INFORM Self explanatory Lost/Established Hop Sync Lost/Established INFORM Self explanatory MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 131: Radio (Rf) Measurements

    These measurements are: • Transmitter Power Output • Antenna System SWR (Standing-Wave Ratio) MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 132: Antenna System Swr And Transmitter Power Output

    NOTE: The Test Mode has a 10-minute timer, after which it will return the radio to normal operation. The Radio Test Mode can be terminated manually by selecting on the menu or tempo- rarily disconnecting the radio’s DC power. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 133: Antenna Aiming

    The measurement and antenna alignment process will usually take 10 or more minutes at each radio unit. The path to the Management System menu item is shown in bold text below each step of the procedure. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 134 If the RSSI peak results in an increase in the Wireless Packets Dropped and Received Error, the antenna may be aimed at an undes- ired signal source. Try a different antenna orientation. End of procedure MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 135 5.1.5 How Much Output Power Can be Used? ......... 135 5.1.6 Conducting a Site Survey ............135 5.1.7 A Word About Radio Interference ..........136 5.2 dBm-WATTS-VOLTS CONVERSION CHART ......139 MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 136 MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 137: Planning A Radio Network

    Figure 5-2 shows the dimensions of the transceiver case and its mounting holes, and Figure 5-3 on Page 131, the dimensions for mounting with factory-supplied brackets. If possible, choose a mounting MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 138 THREADED 4.85˝ (12.32 cm) HOLES FOR MOUNTING SCREWS (4) #6-32 X 1/4˝ LONG SIDE Not to scale 1.4˝ (3.56 cm) 4.25˝ (10.8 cm) 4.75˝ (12.0 cm) Figure 5-2. Transceiver Dimensions MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 139: Site Selection

    II) or stronger will provide acceptable performance in many systems. While the equipment will work at lower-strength signals, signals stronger than – 77 dBm provide a “fade margin” of 15 dB to MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 140: Antenna & Feedline Selection

    (elements oriented perpendicular to the horizon). When required, horizontally polarized omnidirectional antennas are also available. Contact your factory representa- tive for details. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 141 900 MHz, such as Heliax ® Table 5-1 lists several types of popular feedlines and indicates the signal losses (in dB) that result when using various lengths of cable at MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 142 Yagi # BMOY8903 10 dBd 12.15 dBi 24.7 meters (6.15 dB) +35.25 dBm Yagi # Z941 *Refer to Table 5-3 for allowable power settings of the transceiver for each antenna type. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 143: How Much Output Power Can Be Used

    PING command.) With the hand-held antenna positioned near the proposed mounting spot, a technician can check for synchronization with the Access Point MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 144: A Word About Radio Interference

    • If constant interference is present in a particular frequency zone (collection of 8 RF channels), it may be necessary to “skip” that MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 145 Note that a gain of 6 dB or less entitles you to operate the radio at full power output –30 dBm (28.7 dBm for iNET II). MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 146 † Feedline loss varies by cable type and length. To determine the loss for common lengths of feedline, see Table 5-1 on Page 134. For assistance in the conversion of dBm to Watts, please see dBm-WATTS-VOLTS CONVERSION CHART on Page 139. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 147: Dbm-Watts-Volts Conversion Chart

    10.0 -136 10mW -137 2.25 .1µW -138 6.4mW .001nW -139 .500 -140 .01ƒW .445 5.75 .400 3.2mW .355 2.5mW 1.25 .320 2.0mW 1.18 .280 1.6mW 1.00 3.51 .252 1.25mW 0.90 MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 148 MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 149: Technical Reference

    6.1.3 COM2 Port ................144 6.2 FUSE REPLACEMENT PROCEDURE ........145 6.3 TECHNICAL SPECIFICATIONS ..........146 6.4 CHANNEL HOP TABLE ............149 6.5 SNMP USAGE NOTES............151 6.5.1 Overview .................. 151 MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 150 MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 151: Data Interface Connectors

    (Viewed from the outside of the unit) Table 6-1. LAN Port (IP/Ethernet) Functions Ref. Transmit Data (TX) High Transmit Data (TX) Receive Data (RX) High Unused Unused Receive Data (RX) Unused Unused MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 152: Com1 Port

    Table 6-3. COM2 Port, DB-9M/EIA-232 Interface Functions Data Carrier Detect (DCD) In ]<— Receive Data (RXD) In ]<— Transmit Data (TXD) Out ]—> Data Terminal Ready (DTR) Out ]—> Signal Ground (GND) MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 153: Fuse Replacement Procedure

    6. Using an Ohmmeter, or other continuity tester, verify the fuse is blown. 7. Install a new fuse by reversing the process. Littelfuse P/N: 0454002; 452 Series, 2 Amp SMF Slo-Blo MDS P/N: 29-1784A03 MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...

  • Page 154: Technical Specifications

    CAN 3738A 12098 • UL/CSA Class 1, Div. 2; Groups A, B, C and D hazardous locations • Contact factory for information on availability and governmental approvals in other countries MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 155 •900 MHz FHSS for iNET (DTS for iNET II)— provides inherent security from 802.11b devices •Proprietary data framing •128-bit encryption •Automatic rotating key algorithm RADIO CHARACTERISTICS GENERAL: Frequency Range: 902–928 MHz ISM Band MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 156 MDS iNET–512 kbps MDS iNET II–1024 kbps Fixed Range (typical): 5–10 miles 5-10 miles Fixed Range (maximum): 10–15 miles 10-15 miles Note: Specifications subject to change without notice or obligation. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 157: Channel Hop Table

    Table 6-4. Channel Hop Table Zone Channel Frequency 902.5000 (iNET FHSS lowest channel) 902.8165 (iNET II DTS lowest channel) 903.1330 903.4495 903.7660 904.0825 904.3990 904.7155 905.0320 905.3485 905.6650 905.9815 906.2980 MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 158 910.4125 910.7290 911.0455 911.3620 911.6785 911.9950 912.3115 912.6280 912.9445 913.2610 913.5775 913.8940 914.2105 914.5270 914.8435 915.1600 915.4765 915.7930 916.1095 916.4260 916.7425 917.0590 917.3755 917.6920 918.0085 918.3250 918.6415 918.9580 919.2745 919.5910 MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 159: Snmp Usage Notes

    Agent to take advantage of these new fea- tures. SNMPv3 Support The updated SNMP Agent now supports SNMP version 3 (SNMPv3). The SNMPv3 protocol introduces Authentication (MD5/SHA-1), Encryption (DES), the USM User Table, and View-Based Access MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 160 SNMP Manager, depending on how the Agent is configured. If pass- words are configured and managed locally, they are non-volatile and will survive a power-cycle. If passwords are configured from an SNMP MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 161 (Priv). The Agent will Brighton Perinton immediately generate new keys based on these passwords and start using them. The Manager will have to be re-configured to use these new passwords. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 162 Association Lost - Local Network Name Changed ipAddrChanged(59) MAJOR Association Lost - Local IP Address Changed assocTryFail(60) MAJOR Association Attempt Success/Failed remEthLinkLost(61) INFORM Received Beacon - Valid/Errored consoleLogin(62) MAJOR Console User Logged Out/Logged In MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 163 MAC has received a packet that it could not decrypt lanPortStatus(78) INFORM Ethernet port has changed (enabled, disabled) tftpConnFailed(79) INFORM TFTP server on AP failed to transfer sdbError(80) INFORM AP encountered an internal database error MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 164 MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...

  • Page 165: Glossary Of Terms & Abbreviations

    CSMA/CA—Carrier Sense Multiple Access/Collision Avoidance CSMA/CD—Carrier Sense Multiple Access/Collision Detection Cyclic Redundancy Check (CRC)—A technique used to verify data integrity. It is based on an algorithm which generates a value derived MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 166 IP addresses based on security policies. An Access Point may be configured by the system administrator to act as a DHCP server if one is not available on the wired network. Digital Signal Processing—See DSP. MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 167 When the buffer approaches overflow, the radio drops the clear-to-send (CTS) line, that instructs the connected device to delay further transmission until CTS again returns to the high state. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 168 This fingerprint is “non-reversible,” it is computationally infea- sible to determine the file based on the fingerprint. For more details review “RFC 1321” available on the Internet. MIB—Management Information Base MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 169 Passive scanning can be done while main- taining the current network connectivity. Active scanning affects the RF configuration of the radio and therefore, at least temporarily, discon- nects the station from the access point. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 170 As the station comes in range of a new access point, it will switch its connec- tion to the stronger signal. Roaming refers to a station's logical, not nec- MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 171 NT and 2000 servers that manages the association of workstation names and locations with Internet Protocol addresses. It works without the user or an administrator having to be involved in each configuration change. Similar to DNS. Zone—See Frequency Zone. MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User’s Guide...
  • Page 172 MDS iNET 900 Series User’s Guide MDS 05-2806A01, Rev. E.1...
  • Page 173 Auth Traps Status DHCP server 105, 108, 157 Authorization Key editing files Authorized Features Ethernet Port Auto Data Rate Menu 97, 113 RSSI Threshold/Delta file MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User s Guide...
  • Page 174 Flow Control reset to factory hardware Delete Force Key Rotation All Remotes Force Reboot Remote Fragmentation Delimiter 50, 88, 90 Threshold deployment costs Frame Description Frequency Device IP Address hopping MDS iNET 900 Series User s Guide MDS 05-2806A01, Rev. E.1...
  • Page 175 MDS iNET 900 ENI site survey MDS Security Suite Institute of Electrical and Electronic Engineers Inter-Access Point Protocol SNMP traps Interference Mean-Time Between Failures Internet measurements MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User s Guide...
  • Page 176 22, 44, 56 Using the AP as a Store-and-Forward Packet Repeater MODBUS using two transceivers to form a repeater station 27, 46, 151, 163 NTP (Network Time Protocol) SNMP MDS iNET 900 Series User s Guide MDS 05-2806A01, Rev. E.1...
  • Page 177 85, 86 RxPkts V3 Passwords RxRate 51, 163 RxViaEP Threshold 41, 163 SNTP 88, 163 Spanning Tree Protocol 146—149 Specifications Save Changes 7, 8, 58, 163 SCADA Standing Wave Ratio MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User s Guide...
  • Page 178 Packet Statistics Version wizard Trivial File Transfer Protocol serial configuration 113—123 Troubleshooting Write community String Using the Embedded Management System Two-Way Authentication TX Output Power TxKey TxPkt Yagi antenna MDS 05-2806A01, Rev. E.1 MDS iNET 900 Series User s Guide...
  • Page 179 The radio must be properly packed for return to the factory. The original shipping container and packaging materials should be used whenever possible. All factory returns should be addressed to: Microwave Data Systems Product Services Department (SRO No. XXXX)
  • Page 180 Microwave Data Systems Inc. 175 Science Parkway Rochester, NY 14620 General Business: +1 585 242-9600 FAX: +1 585 242-9620 Web: www.microwavedata.com A product of Microwave Data Systems Inc.

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