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05-2806A01, Rev. L

MDS iNET Series Reference Manual

1

1.0 PRODUCT OVERVIEW AND 

APPLICATIONS

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 

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).

NOTE:

For information on the MDS iNET 900 ENI, which provides expanded gateway and protocol
conversion capabilities not found in the iNET 900 (DF1 to EIP, and MODBUS to MODBUS TCP
conversions), refer to Appendix A, 

MDS iNET/ENI Protocols

 (beginning on Page 132).

Invisible place holder

Figure 1-1. The GE MDS iNET 900 Transceiver

1.2.1 Rugged Packaging

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 cor-
rectly. See “Installation Planning” on Page 106 for guidance on choosing suitable installation sites and 
antennas.

Содержание MDS iNET Series

Страница 1: ...Reference Manual MDS 05 2806A01 Rev L OCTOBER 2014 Wireless IP Ethernet Transceiver iNET II 900 and iNET 900 Firmware Release 8 1 1 and later MDS iNET Series MDS iNET II 900TM MDS iNET 900TM...

Страница 2: ...Quick Start instructions for this product are contained in publication 05 2873A01 Visit our web site for downloadable copies of all documentation at www gemds com...

Страница 3: ...1 3 4 Multiple Protocols and or Services 6 1 3 5 Wireless LAN with Mixed Services 7 1 3 6 Upgrading Older Wireless Networks with Serial Interfaces 7 Replacing Legacy Wireless Products 7 Supplement Leg...

Страница 4: ...Menu 24 2 3 3 Configuring Basic Device Parameters 25 Device Information 25 Device Names Menu 26 Login Status Menu 27 2 4 Configuring Network Parameters 27 2 4 1 Network Configuration Menu 27 2 4 2 Net...

Страница 5: ...7 2 6 7 Configuring for MODBUS TCP Server 58 2 6 8 IP to Serial Application Example 58 2 6 9 Point to Multipoint IP to Serial Application Example 59 2 6 10 Point to Point Serial to Serial Application...

Страница 6: ...uration Files Work 87 Editing Configuration Files 88 2 9 3 Authorization Key Menu 89 2 9 4 Change the Type of Remote 89 2 9 5 Auto Upgrade Remote Reboot Menu 90 Firmware Upgrade with AP Acting as a TF...

Страница 7: ...on Using 28 VDC Power Supplies 113 4 2 Radio RF Measurements 114 4 2 1 Antenna System SWR and Transmitter Power Output 114 Introduction 114 Procedure 115 4 2 2 Antenna Aiming 115 Introduction 115 Proc...

Страница 8: ...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 reliab...

Страница 9: ...ound the world rely on GE MDS based wireless networks to manage their critical assets The majority of our radios deployed since 1985 are still installed and performing within our cus tomers wireless n...

Страница 10: ...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...

Страница 11: ...e 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 u...

Страница 12: ...x MDS iNET Series Reference Manual 05 2806A01 Rev L...

Страница 13: ...r the air data speeds of up to 1 Mbps iNET II and 512 kbps iNET NOTE For information on the MDS iNET 900 ENI which provides expanded gateway and protocol conversion capabilities not found in the iNET...

Страница 14: ...t 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 Et...

Страница 15: ...s is associated with the serial number of the corresponding unit 1 2 3 Differences Between iNET and iNET II Models The iNET and iNET II Transceivers while similar in many respects do have some importa...

Страница 16: ...ities 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 Fi...

Страница 17: ...peration 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 inf...

Страница 18: ...using half of the required infrastructure at the remote site one antenna one feedline one lightning protector and ancillary hardware Other cost reductions come from the system as a whole such as reduc...

Страница 19: ...IP network Invisible place holder Figure 1 7 Extended Range LAN with Mixed Applications 1 3 6 Upgrading Older Wireless Networks with Serial Interfaces Millions of wireless data products have been sol...

Страница 20: ...eaters 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...

Страница 21: ...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 shou...

Страница 22: ...e 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...

Страница 23: ...emote radios and thus remote devices 802 1X authentication Approved AP List A remote will only associate to those APs included in its local authorized list of APs Dictionary attacks where a hacker run...

Страница 24: ...cessory Description Part No AC Power Adapter Kit A small power supply module designed for continuous service UL approved Input 120 220 Output 13 8 Vdc 2 5 A 01 3682A02 Omni Directional Antenna Rugged...

Страница 25: ...her end 6 ft 1 8m long 97 1971A03 Fuse Small board mounted fuse used to protect against over current conditions 29 1784A03 Flat Surface Mounting Brackets Screws Brackets 2 x 3 plates designed to be sc...

Страница 26: ...nergy com Communications A brief sum mary of SNMP commands can be found at section 2 4 5 on page 36 of this manual The transceiver s Management System and its functions are divided into the following...

Страница 27: ...iven on the following pages Not all items are user configurable Some menu items depend on the Device Mode selected RTS Threshold RF Hopping Format AP Skip Zones AP Some models RSSI Threshold RM SNR Th...

Страница 28: ...pabilities as the communications tool is driven by limitations of the access channel Figure 2 2 and Figure 2 3 on Page 16 provide examples of the Starting Information Screen seen through a terminal an...

Страница 29: ...rom other methods of control but the content and organization of screen items is similar Web browser sessions may be run locally or remotely via the Internet Telnet SSH and Web Browser sessions requir...

Страница 30: ...ent snapshot can be downloaded from www chiark greenend org uk sgtatham putty NOTE If the unit is powered up or rebooted while connected to a terminal you will see a series of pages of text informatio...

Страница 31: ...the radio IP address You can identify or verify the unit s IP address by using a Local Console session to communicate with the radio through its COM 1 Port and viewing the Starting Information Screen...

Страница 32: ...rectly or via a network If connecting directly use an Ethernet crossover cable if connecting via a network use a straight through cable The LAN LED lights to indicate an active connection 2 Launch a W...

Страница 33: ...arrive at a screen with user controllable parameter fields you select the menu item by pressing an associated letter on the keyboard If there is a user definable value the field will clear to the rig...

Страница 34: ...ing is always shown after a semicolon available settings or range default setting 2 3 Basic Device Information This section contains detailed menu screens and settings that you can use to specify the...

Страница 35: ...ed This unit has successfully synchronized and associated with an Access Point Alarmed The unit has detected one or more alarms that have not been cleared NOTE If an alarm is present when this screen...

Страница 36: ...work Network configuration IP address static or DHCP VLAN status remote bridging status AP only Spanning Tree Protocol status Ethernet filtering status Connection Over the air link status device statu...

Страница 37: ...use configuration files change firmware and use Authorization Keys to change major unit capabilities See Maintenance on Page 82 and see Authorization Key Menu on Page 89 Redundancy Configuration For...

Страница 38: ...h power failure if SNTP Simple Network Time Protocol server not accessible Time Current time of day User settable Setting HH MM Value lost with power failure if SNTP server not accessible Date Format...

Страница 39: ...ay that shows the IP address of the endpoint connected via the Remote Console telnet 2 4 Configuring Network Parameters 2 4 1 Network Configuration Menu This Menu contains parameters related to the op...

Страница 40: ...y if an IP address is configured It will continue to retry every minute until it succeeds A remote will get the time and date from the SNTP server if an IP address is configured Otherwise it gets it f...

Страница 41: ...otes It allows the definition of a Primary AP to which a Remote radio should be connected See Prioritized AP Configuration Sub menu on Page 38 for more information Bridge Configuration View set option...

Страница 42: ...VLAN Additionally a second VLAN is assigned for other traffic that is terminated at the radio such as SNMP TFTP ICMP Telnet etc This is known as the MANAGEMENT VLAN Traffic directed to the integrated...

Страница 43: ...onfigured for VLAN operation the IP address can only be set as a static IP address Invisible place holder Figure 2 20 Management VLAN Subnet Configuration Menu IP Address Mode Defines the source of th...

Страница 44: ...l subnet mask This value is used when the radio attempts to send a locally initiated message either from the terminal server or management process 255 255 0 0 Configuring the IP Address When VLAN Stat...

Страница 45: ...itiated message either from the terminal server or management process You don t have to define it if DHCP Client mode is enabled 255 255 0 0 Static IP Gateway The IPv4 address of the default gateway d...

Страница 46: ...LAN port at the electrical level link integrity The current AP will broadcast a beacon signal indicating its NOT AVAILABLE status so Remotes that hear it do not try to associate to it Once the Ethern...

Страница 47: ...ve in a network MDS iNET 900 or other DHCP server If more than one DHCP server exists network devices may randomly get their IP address from different servers every time they request one NOTE Combinin...

Страница 48: ...nterprise specific traps inet_com mib MIB definitions for objects and events which are common to the entire iNET Series inet_ap mib MIB definitions for objects and events for an Access Point transceiv...

Страница 49: ...ed version of SNMP traffic v1 v2 v3 Trap Version This specifies what version of SNMP will be used to encode the outgoing traps The choices are v1_traps v2_traps and v3_traps When v3_traps are selected...

Страница 50: ...Primary AP to which a Remote radio should be connected Invisible place holder Figure 2 29 Prioritized AP Configuration Submenu Prioritized AP Shows status of the prioritization option enabled disabled...

Страница 51: ...a beacon matches the requirements then the association process continues It may be that the Remote associates to an AP that is not the first entry in the table In this case the Remote will wait for Co...

Страница 52: ...ion explains the Radio Configuration Menu Figure 2 31 for AP Figure 2 32 for Remote 2 5 1 Radio Configuration Menu Figure 2 31 Radio Configuration Menu From iNET II Access Point Unit Figure 2 32 Radio...

Страница 53: ...52 ms Fast 26 ms Faster 10 ms Slow 254 ms Moderate 104 ms TIP Increasing the Beacon Period will provide a small improvement in network data throughput Short ening it decreases the time needed for Remo...

Страница 54: ...el Config Only applies to iNET II or specifically programmed iNETs Brings up the submenu discussed in Channel Config Menu on Page 42 Skip Zones Only applies to iNET in ISM mode Editable at AP Only Thi...

Страница 55: ...re 2 34 Channel Config Submenu using Beacon Learning Key to channel indicators y Configured channel learned from AP S Configured channel was not in AP s channel configuration L Channel that Remote did...

Страница 56: ...rol radio behavior when your network is not running in this mode such as when Mobility is enabled NOTE These features should remain untouched unless instructed by GE MDS personal Figure 2 35 Advanced...

Страница 57: ...changed then pressing the spacebar to toggle between the two options for each zone Select Commit Changes to implement changes These changes are forwarded to all units in the network through the AP s b...

Страница 58: ...82 dBm would be required for the radio to switch back to high speed This provides an operational window or hysteresis range over which the data speed stays constant despite minor changes in signal str...

Страница 59: ...ime Adjust the RSSI Assoc Threshold after scanning continues for this amount of time repeating every specified number of seconds A setting of 0 disables the feature 0 120 seconds 0 RSSI Assoc Backoff...

Страница 60: ...improves the probability of packets being sent complete on the first try At Every AP Radio Parameter settings that should be reviewed for AP radios providing service to mobile remotes Compression disa...

Страница 61: ...s will be best served by UDP service as the protocol itself has built in error recovery mechanisms UDP provides the needed multidrop operation by means of multicast addressing On the other hand TCP se...

Страница 62: ...st This restriction is because a host that only sends data to a multicast address for example point to multipoint mode where the iNET acts as a point will not join the group to receive multicast data...

Страница 63: ...d When custom mode is selected the size options are 16 32 64 128 and 256 bytes The Inter Frame Delay is settable in either Seamless or Custom modes Implementing Configuration Changes There are several...

Страница 64: ...int to send a copy of the same packet to multiple destinations such as in a polling protocol Status Enable Disable the serial data port IP Protocol Point to Multipoint TCP UDP PPP DF1 EIP MODBUS TCP S...

Страница 65: ...ceiver and the connected device Enabled Disabled Disabled Serial Mode When seamless mode is selected data bytes entering the serial data port are sent over the radio link without delay but the receivi...

Страница 66: ...per second 1200 2400 4800 9600 19200 38400 57600 115200 19200 Configuration Formatting of data bytes Data bits parity and stop bits 7N1 7E1 7O1 8N1 8E1 8O1 7N2 7E2 7O2 8N2 8E2 8O2 8N1 Flow Control COM...

Страница 67: ...d stop bits 7N1 7E1 7O1 8N1 8E1 8O1 7N2 7E2 7O2 8N2 8E2 8O2 8N1 Flow Control Com2 Only RTS CTS handshaking between the transceiver and the connected device Enabled Disabled Disabled Serial Mode If dat...

Страница 68: ...is mode of operation is required for protocols such as MODBUS and some variants which do not allow gaps in their data transmission Seamless Custom Seamless Seamless Inter Frame Delay Number of charact...

Страница 69: ...es and Exit Wizard Save and execute changes made on this screen Shown only after changes have been entered A PPP session shows the following possible states Sending LCP Requests The PPP server is quer...

Страница 70: ...15200 9600 Byte Format Byte format of the serial port 7N1 7E1 701 7N2 7E2 702 8N1 8E1 801 8N2 8E2 802 7N1 Flow Control RTS CTS handshaking between the transceiver and the connected device Enabled Disa...

Страница 71: ...except that it uses multicast addressing The primary difference is that the PC uses UDP to communicate with all of the Remotes Upon receiving the packet each Remote strips the data out of the UDP pack...

Страница 72: ...the same ones at both ends of the link Both COM ports can be used simultaneously for two independent data channels 3 Flow Control applies to the COM2 Port only N A None required Remote Units COM2 2 E...

Страница 73: ...nted at the Remote s COM port is packetized sent to the Access Point stripped and sent out the Access Point s COM port This configuration does not use multicast addressing Invisible place holder Figur...

Страница 74: ...on and Data Flow Communicate with RTU A by Telneting to Remote 1 port 30011 Communicate with RTU B by Telneting to Remote 2 port 30011 Communicate with RTUs C and D by sending and receiving data from...

Страница 75: ...bled Baud Rate 2 400 Flow Control Disabled IP Protocol TCP Receive on Port 30011 Remote Units 3 4 COM2 Status Enabled Baud Rate 9 600 Flow Control Disabled IP Protocol UDP Send to Address IP address o...

Страница 76: ...lling access to the radio itself for configuration and management purpose Device Security controlling how and when radios communicate with each other as well as how data traffic is handled Wireless Se...

Страница 77: ...raffic disabled v1_Only v2_Only v3_Only v1 v2 v1 v2 v3 v1 v2 v3 Telnet Access Controls remote access through Telnet sessions on Port 23 Enabled Disabled Enabled SSH Access Controls remote access throu...

Страница 78: ...to check the Approved List before a radio link can be established In the case of a Remote the AP must be in the Approved Access Points List before it accepts the beacon as being valid In the case of a...

Страница 79: ...ice authentication select Device Auth Method and set IEEE 802 1X as the active mode The behavior of this setting differs depending on whether it is implemented on an Access Point or a Remote transceiv...

Страница 80: ...string used to configure the appropriate files on the RADIUS Server 8 to 29 alphanumeric characters User Auth Mode Should be set to PAP or CHAP depending on the configuration of the server PAP CHAP PA...

Страница 81: ...ote un authenticated for data traffic Consult your RADIUS network administrator if issues arise The radio will individually check that each certificate loaded matches the file type chosen for example...

Страница 82: ...rates can generally be achieved with stronger signal lev els RSSI by Zone Received Signal Strength Indicator by Zone See RSSI by Zone Menu Remotes Only on Page 71 Event Log Access the menu for managin...

Страница 83: ...2 59 RSSI by Zone Menu TIP Under normal circumstances the signal levels in each zone should be within a few decibels of each other If you see one that is significantly lower or higher it may be a sign...

Страница 84: ...r The events are numbered for easier identification and navigation Clear Log Purges the log of all events TIP Save your Event Log before choosing to clear it in order to retain potentially valuable tr...

Страница 85: ...eiver The LED will remain blinking until the corrective action has been completed An alarm condition is different from a log event in the sense that an alarm is persistent in nature That is an alarm c...

Страница 86: ...ted Retry errors Packets discarded after exceeding seven retries over the air Clear Wireless stats Resets the statistics counter Ethernet Packet Statistics Packets received Packets received by the tra...

Страница 87: ...t is defined as an Access Port or as a Trunk Port Invisible place holder Figure 2 65 VLAN Packet Statistics Packets Received by Zone This screen shown in Figure 2 66 presents a breakdown of wireless p...

Страница 88: ...ts scanning and temporarily synchronize its frequency hopping pattern to match the one encoded on the AP s beacon signal The Remote waits for three identical beacon signals from the AP and then it tog...

Страница 89: ...cessfully synchronized and associated with an Access Point This is the normal status Alarmed The unit has detected one or more alarms that have not been cleared Current AP MAC Address Wireless address...

Страница 90: ...ter falling below the disassociation threshold RSSI assoc threshold now is when an association threshold back off step is applied RSSI assoc threshold reset to is when the blacklist timer expires and...

Страница 91: ...nd is equivalent to the ARP table of IP devices Figure 2 70 Endpoint Listing Menu Lists all equipment attached to REMOTE transceivers in the network MAC Address MAC address of each Endpoint connected...

Страница 92: ...esponding to one Remote MAC Address Wireless MAC Address of each Remote to which the AP communicates RxRate Over the air data rate the radio is currently using Transceivers may use different rates RxP...

Страница 93: ...ata ports These values will be reset to zero after a reboot cycle Figure 2 73 Serial Data Statistics Screen COM2 statistics shown COM1 statistics will look similar Bytes in on socket Number of bytes r...

Страница 94: ...system firmware resources See Reprogramming Menu on Page 83 Configuration Scripts Saving and importing data files containing unit operating parameters set tings See Configuration Scripts Menu on Page...

Страница 95: ...the files will have to be created again It is recommended that you wait until this 5 10 minute process is complete before verifying operation of HTTP HTTPS or SSH NOTE Always read the release notes f...

Страница 96: ...mages are available free of charge at www gemds com NOTE Starting in October 2014 iNET and iNET II radios built may contain hardware that is incompat ible with older revisions of firmware and cannot b...

Страница 97: ...nt be on the same subnet Invisible place holder Figure 2 76 Firmware Upgrade Setup Option 1 TFTP Server and Firmware File on Same CPU Invisible place holder Figure 2 77 Firmware Upgrade Setup Option 2...

Страница 98: ...uter running TFTP server Filename Name of file filename ipk to be pulled from the TFTP server holding the firmware file 5 Pull the firmware file through the TFTP server into the transceiver Main Menu...

Страница 99: ...wnloaded to a radio Retrieve the radio executes the parameters as commands and takes the values contained in it When a configuration script file is uploaded from the radio Send it contains the current...

Страница 100: ...PC it can be used as a source to generate modified copies adjusted to match other devices The configuration files can be modified using a text editor or an automated process These applications are not...

Страница 101: ...dditional selection called Encryption under Authorized Features Additionally the user can enter an authcode directly from the login prompt by entering authcode as the password This will then display t...

Страница 102: ...oot feature both the AP and Remotes must already be running version 4 4 0 or newer firmware Exception If the AP has already been upgraded to version 4 4 0 and the Remote is still at 3 5 0 or older you...

Страница 103: ...OFF OFF Frequency Set radio operating frequency during the testing period to a single frequency 902 5 927 5035 MHz iNET 902 8165 927 1870 MHz iNET II 915 0000 MHz TX Output Power Temporarily overrides...

Страница 104: ...password See Password Reset to Factory Default on Page 92 This procedure is useful when several parameters have been modified and there is no track of changes It causes the transceiver to return to a...

Страница 105: ...same as if exporting an Event Log named mds_eng log using the Event Log Menu see Event Log Menu on Page 71 This gives the user the opportunity to name the log for ease of identifying the radio Figure...

Страница 106: ...ssociated are operating properly before data layer traffic will func tion 3 1 2 Unit Configuration There are over 50 user configurable parameters in the Management System Do not overlook the possibili...

Страница 107: ...Then recheck for normal operation LINK LED does not turn on a Network Name of Remote not identical to desired Access Point Verify that the system has a unique Network Name b Not yet associated with an...

Страница 108: ...nal terminal emulator or Telnet application is set to VT100 Cannot pass IP data to WAN a Verify your IP settings b Use the PING command to test communication with the transceivers in the local radio s...

Страница 109: ...ion of the Device Status messages If the Remote is in an Alarmed state the unit may still be operational and associated Look for the asso ciation state printed on the Starting Information Screen next...

Страница 110: ...F Measure ments on Page 114 for information on antenna system checks NOTE For a data rate of 512 kbps 1 Mbps for iNET II the average signal level should be 77 dBm or stronger with no interference 3 3...

Страница 111: ...ink and will inhibit normal oper ation of the transceiver The LED blinks until the corrective action is completed Table 3 4 Event Classifications Level Description Impact Storage Informational Normal...

Страница 112: ...i 11 EVENT_RSSI_CAL RSSI Not Calibrated rssiCal 9 EVENT_SYSTEM_ERROR System Error Cleared Please Reboot systemError 16 Table 3 6 Correcting Alarm Conditions Alphabetical Order Event Log Entry Generati...

Страница 113: ...Not Programmed PLL Not locked The FPGA reports a synthesizer out of lock condition when monitored by the CPU Contact factory Technical Services for assistance Power Not Calibrated Power not calibrated...

Страница 114: ...P s Network Name Changed MINOR Self explanatory Association Lost Local Network Name Changed MAJOR Self explanatory Association Lost Established MAJOR Self explanatory Auth Demo Mode Expired Rebooted R...

Страница 115: ...planatory Hop Table Generated Generation Failed INFORMATIONAL Self explanatory HTTP Access Locked for 5 Min MAJOR Self explanatory HTTP User Logged Out Logged In MAJOR Self explanatory IP Connectivity...

Страница 116: ...natory Received Beacon Valid Errored INFORMATIONAL Self explanatory Rem Ethernet Link Connected Disconnected MAJOR Self explanatory Remote Console Access Locked for 5 Min MAJOR Self explanatory Remote...

Страница 117: ...d MINOR Remote Approved Access Points List mode Logged when scanning continues because the received AP beacon is not in the approved list User Selected Reboot MAJOR Self explanatory x509 Certs Loaded...

Страница 118: ...between the transceiver and the data device Figure 4 1 shows a typical Remote Gateway installation NOTE The iNET network port supports 10BaseT connections but does not support 100BaseT connec tions T...

Страница 119: ...ith factory supplied brackets If possible choose a mounting loca tion that provides easy access to the connectors on the end of the radio and an unobstructed view of the LED status indicators Figure 4...

Страница 120: ...t attaches to the back of the unit s case and how the entire unit attaches to the mounting rail Invisible place holder Figure 4 4 DIN Rail Mounting of GE MDS Equipment 4 1 2 Site Selection Suitable si...

Страница 121: ...tion from obstructions such as terrain foliage or buildings in the transmission path A line of sight transmission path between the central transceiver and its associated remote site s is highly desira...

Страница 122: ...e Gateway sites and units in point to point LANs a directional Yagi Figure 4 6 antenna is gen erally recommended to minimize interference to and from other users Antennas are available from a number o...

Страница 123: ...Installer The MDS iNET II Transceiver is factory set to 29 dBm power output to maintain compliance with the FCC s Digital Transmission System DTS Part 15 rules These rules limit power to a maximum of...

Страница 124: ...ry to mount the station antennas higher use higher gain antennas select a different site or consider installing a repeater station To prepare the equipment for an on the air test follow the general in...

Страница 125: ...in from 36 dBm the maximum allowable EIRP The result indicates the maximum transmitter power in dBm allowed under the rules In the example above this is 28 dBm 3 If the maximum transmitter power allow...

Страница 126: ...d at the back of this guide 4 2 Radio RF Measurements There are several measurements that are a good practice to perform during the initial installation The will confirm proper operation of the unit a...

Страница 127: ...Aiming Introduction The radio network integrity depends in a large part on stable radio signal levels being received at each end of a data link In general signal levels stronger than 77 dBm 80 dBm for...

Страница 128: ...Optimize RSSI less negative is better by slowly adjusting the direction of the antenna Watch the RSSI indication for several seconds after making each adjustment so that the RSSI accu rately reflects...

Страница 129: ...13 1 00 20mW 12 90 16mW 11 80 12 5mW 10 71 10mW 9 64 8mW 8 58 6 4mW 7 500 5mW 6 445 4mW 5 400 3 2mW 4 355 2 5mW 3 320 2 0mW 2 280 1 6mW 1 252 1 25mW dBm V Po 0 225 1 0mW 1 200 80mW 2 180 64mW 3 160 50...

Страница 130: ...l begin to drop and latency will increase due to additional retries between the radios Packets may start to be dropped Some applications may tolerate this others may not Repeater stations may be used...

Страница 131: ...iguration Beacon Period 3 Change the Fragmentation Threshold to the maximum of 1600 Longer packets will be sent over the air reducing overhead On the other hand if a packet is corrupted it will take l...

Страница 132: ...e following areas Both MD5 and SHA 1 Authentication for SNMPv3 are supported To choose between the two dif ferent authentication protocols choose the corresponding account which is described in the se...

Страница 133: ...are being used in order to talk to the Agent If the Agent s passwords are configured via the Manager then they can be changed from the Manager If the passwords are managed locally then the Manager mus...

Страница 134: ...48 MAJOR Reprogramming Complete remoteConsoleLogin 49 MAJOR Remote Console User Logged Out Logged In httpLogin 50 MAJOR HTTP User Logged Out Logged In hopFormatSkipZoneMismatch 51 INFORMATIONAL Hop F...

Страница 135: ...led 81 MINOR TFTP server on AP failed to transfer sdbError 82 MAJOR AP encountered an internal database error encryptionChanged 83 MINOR Over the Air Encryption enabled or disabled mobileAPDrop 85 INF...

Страница 136: ...iver provides a data link to an Internet Protocol based IP network via the Access Point station Each radio in the network must have a unique IP address for the network to function properly To connect...

Страница 137: ...sover cable These cables are available commercially or may be constructed using the pinout information in Figure 5 3 and Table 5 3 Figure 5 3 COM2 Port DTE Viewed from the outside of the radio Table 5...

Страница 138: ...5 4 for details 5 Loosen the fuse from the holder using a very small screwdriver Use a small pair of needle nose pliers to pull the fuse straight up and remove it 6 Using an Ohmmeter or other continui...

Страница 139: ...ing IEEE Standard 1613 2003 Communications Networking Devices in Electric Power Substations classifications 4 1 1 Environmental Class B 4 1 2 Environmental Storage Class A 7 12 Device Performance Clas...

Страница 140: ...kdown 900 MHz operation and proprietary data framing RADIO CHARACTERISTICS GENERAL Frequency Range 902 928 MHz ISM Band Frequency Hopping Range iNET Ten user configurable 2 5 MHz wide zones each conta...

Страница 141: ...a 10 dB fade margin and a mix of agricultural and commercial terrain with line of sight Range calculations for mobile units assume a 6 dBd gain Omni on a 100 ft tower at the AP a 5 dBd gain Omni with...

Страница 142: ...04 3990 1 7 904 7155 2 8 905 0320 2 9 905 3485 2 10 905 6650 2 11 905 9815 2 12 906 2980 2 13 906 6145 2 14 906 9310 2 15 907 2475 3 16 907 5640 3 17 907 8805 3 18 908 1970 3 19 908 5135 3 20 908 8300...

Страница 143: ...75 8 56 920 2240 8 57 920 5405 8 58 920 8570 8 59 921 1735 8 60 921 4900 8 61 921 8065 8 62 922 1230 8 63 922 4395 9 64 922 7560 9 65 923 0725 9 66 923 3890 9 67 923 7055 9 68 924 0220 9 69 924 3385 9...

Страница 144: ...to the iNET 900 DF1 to EIP Provides EtherNet IP Ethernet Industrial Protocol connectivity for DF1 full duplex devices MODBUS to MODBUS TCP Provides Modbus TCP connectivity for Modbus RTU or Modbus ASC...

Страница 145: ...functionality of the 1761 NET ENI providing EtherNET IP connectivity to any device using the full duplex DF1 protocol Section describes the differences between the iNET ENI and the 1761 NET ENI Why U...

Страница 146: ...ckward compatibility The ENI only has one serial port The iNET ENI has two serial ports and supports both of them for data transfer For the older ladder programs written for the ENI the COM2 port is u...

Страница 147: ...nfigure the DF1 EIP IP protocol settings 1 Press A if you want to change Security Descriptor Mask 1 from its default of 0 0 0 0 In Figure A 3 Security Descriptor Mask 1 was changed to 192 158 16 255 P...

Страница 148: ...ropriate IP addresses to configure the Message Routing table See Figure A 4 When finished press N to continue NOTE The IP address fields shown in Figure A 4 are equivalent to the Message Routing table...

Страница 149: ...e information NOTE E Mail messages can only be sent from devices that generate string elements The MicroLogix 1000 family of controllers does not generate string elements Figure A 5 Enter E Mail Serve...

Страница 150: ...se when communicating with the serial device See Figure A 7 NOTE The iNET ENI defaults to Autobaud so that it automatically synchronizes with the connected device The iNET ENI however can only Autobau...

Страница 151: ...2 Data Port 8 Press X to save the COM2 port configuration changes See Figure A 9 Figure A 9 Save COM2 Configuration Changes 9 The Wizard asks you to confirm that you want to save the changes See Figur...

Страница 152: ...ect command parameters or unsupported command Possible causes The message s data size is not valid The data format is incorrect for any of the sup ported PCCC messages Register parameters are not form...

Страница 153: ...sing TCP on registered port 502 NOTE The PLC s User ID must match the last octet of the iNET Remote s IP address See Figure A 11 Figure A 11 PLC User ID Example MODBUS TCP Server Configuration Perform...

Страница 154: ...lable formats MODBUS RTU or MODBUS ASCII Press B to enter the MODBUS serial timeout value See Figure A 13 Press N to continue NOTE The only difference between MODBUS RTU and MODBUS ASCII is the form o...

Страница 155: ...anual 143 Figure A 14 Select Data Baud Rate 4 Press A through L to select the desired byte format See Figure A 15 Figure A 15 Select Byte Format 5 Press A to enable hardware flow control Press B to di...

Страница 156: ...al 05 2806A01 Rev L Figure A 16 Enable Disable Hardware Flow Control 6 Press A to enable the iNET ENI s COM2 port See Figure A 17 Figure A 17 Enable COM2 Data Port 7 Press X to save the COM2 port conf...

Страница 157: ...Wizard Figure A 19 Confirm Saving COM2 Changes EDS File Integration The Electronic Data Sheet EDS file must be integrated into the Rockwell Software RSlinx application for the MDS iNET icon to be pro...

Страница 158: ...integrated into the RSlinx software The default iNET icon is displayed but it may be changed to another representation of the radio if desired by selecting Change icon and choosing another image Figur...

Страница 159: ...05 2806A01 Rev L MDS iNET Series Reference Manual 147 Figure A 22 EDS Wizard Completion Screen...

Страница 160: ...ight bits plus start stop and parity bits usually comprise a byte Bits per second See BPS BPDU Bridge Protocol Data Units BPS Bits per second bps A measure of the information transfer rate of digital...

Страница 161: ...ucing the effects of amplitude frequency or phase distortion with com pensating networks Fade Margin The greatest tolerable reduction in average received signal strength that will be anticipated under...

Страница 162: ...gement Information Base Microcontroller Unit See MCU Mobile IP An emerging standard by which access points and stations maintain network connectivity as the stations move between various IP networks T...

Страница 163: ...ceiver that is connected to an access point may be turned off moved to new site turned back on and assuming the right information is entered can immediately reconnect to the access point without user...

Страница 164: ...WR TCP Transmission Control Protocol TFTP Trivial File Transfer Protocol Trap Manager Software that collects SNMP traps for display or logging of events UDP User Datagram Protocol UTP Unshielded Twist...

Страница 165: ...05 2806A01 Rev L MDS iNET Series Reference Manual 153 NOTES...

Страница 166: ...154 MDS iNET Series Reference Manual 05 2806A01 Rev L NOTES...

Страница 167: ...ks 5 Network 6 bandpass filter 112 Beacon Period 41 118 119 signal 76 Begin Wizard 52 Bit defined 148 Bits per second bps defined 148 BPDU 118 defined 148 BPS defined 148 bridging 128 remote to remote...

Страница 168: ...90 version 23 25 Flow Control 51 53 54 55 56 hardware defined 149 Force Key Rotation 66 Force Reboot 90 Fragmentation defined 149 Threshold 41 119 Frame defined 149 Frequency 91 zone defined 149 fuse...

Страница 169: ...vers to form a repeater station 8 NTP Network Time Protocol defined 150 O Owner 26 P Packet defined 150 Redundancy Mode 53 54 Size 92 93 Statistics 70 74 98 Packets Dropped 74 98 Packets per Second 11...

Страница 170: ...ncryption 66 Encryption Phrase 66 Force Key Rotation 66 general information 2 HTTP Security Mode 65 suite 11 Telnet Access 65 Two Way Authentication 65 User Password 65 Send File 88 Log 72 Sending LCP...

Страница 171: ...Password 65 Using multiple Access Points 9 V V3 Authentication Password 37 Privacy Password 37 via Remote 79 View Approved Remotes 66 Current Alarms 73 Current Settings 52 Event Log 73 Log 72 VLAN 28...

Страница 172: ...your unit to its proper operating specifications If return of the equipment is necessary you will be issued a Service Request Order SRO number The SRO number will help expedite the repair so that the...

Страница 173: ...GE MDS LLC Rochester NY 14620 General Business 1 585 242 9600 FAX 1 585 242 9620 Web www gemds com 175 Science Parkway...

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