GE MDS 05-4558A01 User's Manual
Contents
1. GPS Required For single channel operation the TDD Sync Mode can be set to Free Run or GPS Required Using GPS Required synchronizes the AP s transmissions to the GPS timing When the frequency mode is Static Hopping the TDD Sync Mode must be set to GPS Required Free Run allows for rapid configuration in most systems Note that Free Run only works on single channel frequency mode the default mode GPS Required is only needed on the 3650 model to synchronize multiple Access Points NOTE The default password for all units is admin The default user name is admin A unique IP address and subnet are required to access the Menu System either through the LAN port or remotely over the air A summary of selected operating parameters range and default values is included in the Installation Setup Chart at the center of this guide 05 4558A01 Rev C MDS Mercury Series Startup Guide 5 GE MDS Log in and Configuration Procedure The following is an overview of the local log in and configuration pro cedure using the COM1 serial port For detailed instructions on this and other methods of control refer to the Mercury Reference Manual a Connect a computer s serial port to the COM1 Port of the radio b Launch a terminal communication program such as Hyper Terminal on the computer Configure terminal to 115 200 bps 8N 1 no handshaking VT 100 c Press the ENTER key A login prompt will be displayed that requires a2. Mercury Series transceivers provide an easy to install wire less network service with long range and secure operation at adaptive data rates approaching 12 Mbps The transceiver is ideally suited for demanding applications in mobile or fixed environments where reli ability and range are paramount The product is commonly used to send text documents graphics email video voice over IP VoIP and a variety of other application data between mobile fixed point and LAN based entities The transceiver comes in two primary models Access Point and Remote each with unique hardware profiles Both models support Ethernet and serial services An Access Point AP is a wireless hub that usually provides connectivity into a wired Ethernet LAN WAN Remotes associate over the air with an Access Point and are typically connected to an Ethernet or Serial device via a cable INSTALLATION OVERVIEW There are three main requirements for installing the transceiver ade quate and stable primary power a good antenna system and the cor rect interface between the transceiver and the data device The Installation Setup Chart center of this guide shows a typical Remote installation Access Point and mobile Remote stations typically use omnidirectional antennas whereas fixed site Remotes typically use directional antennas such as a Yagi or panel type Otherwise both installations are similar INSTALLATION STEPS A typical shipment consists of a t
3. Recommended Checks PWR LED a Voltage too low Check for proper supply voltage at not lit the power connector 10 30 Vdc b Indefinite Problem Cycle the power and wait 30 seconds for the unit to reboot Then recheck for normal operation PWR LED is Blinking indicates the presence of an alarm condition blinking b View Current Alarm List and Error Log and correct the problem if possible c Blinking continues until the fault is corrected for example a valid IP address is entered etc feb 05 4558A01 Rev C MDS Mercury Series Startup Guide 11 GE MDS Table 1 Troubleshooting Using LEDs Continued Symptom Problem Recommended Checks LINK LED a Network Names of APs and Remotes do not match not lit They must be identical for association to occur Also verify that the system has a unique Network Name b Remote not yet associated with an Access Point with the same Network Name Check the Status of the unit s process of associating with the Access Point Use the Menu System c Poor Antenna System Check the antenna feedline and connectors Reflected power should be less than 10 of the forward power reading SWR 2 1 or lower d Wrong Frequency Mode parameters where units need to be time synchronized Frequency Mode parameters are channel bandwidth and pattern offset e Wrong encryption settings The Encryption Enable and Encryption Phrase must match on the AP and Remote f W
4. and installation is provided in the Mercury Reference Manual Install GPS Antenna Install the GPS antenna in accordance with the manufacturer s instruc tions and connect the antenna cable to the SMB type connector on the transceiver s front panel 05 4558A01 Rev C MDS Mercury Series Startup Guide 3 GE MDS Step 3 Measure amp Connect Primary Power The DC input power to the transceiver must be within 10 30 Vdc and capable of continuously providing at least 2 5 Amperes A power con nector with screw terminals is provided with each unit Strip the wire leads to 6 mm 1 4 inch Be sure to observe proper polarity as shown in Figure 2 with the positive lead on the left side negative on the right side Figure 2 Power Connector Polarity Left Right feld The transceiver must be used with negative ground sys POSSIBLE tems only The power supply should be equipped with EQUIPMENT overload protection NEC Class 2 rating to protect DAMAGE against a short circuit between its output terminals and the radio s power connector NOTE Typically it takes about 30 seconds for the transceiver to fully power up and may take several minutes to associate with another unit especially if GPS is required for time synchroni zation Step A Review the Transceiver s Configuration There are two key settings that must be known before placing the unit into service e Network Name Common identifier used by all of the
5. compati ble MDS Mercury Series Startup Guide 15 GE MDS TECHNICAL ASSISTANCE Technical assistance is available from our Technical Support Depart ment during business hours 8 30 A M 7 00 P M Eastern Time When calling please give the complete model number of the radio along with a description of the trouble symptom s that you are expe riencing In many cases problems can be resolved over the telephone without the need for returning the unit to the factory Phone 585 241 5510 E Mail TechSupport GEmds com FAX 585 242 8369 Web www GEmds com FACTORY SERVICE If return of the equipment is necessary please contact our Technical Support Team You will be issued a Service Request Order SRO number The SRO number will help expedite the repair so that the equipment can be repaired and returned to you as quickly as possible Please be sure to include the SRO number on the outside of the ship ping box and on any correspondence relating to the repair No equip ment will be accepted for repair without an SRO number A statement should accompany the radio describing in detail the trouble symptom s and a description of any associated equipment normally connected to the radio It is also important to include the name and telephone number of a person in your organization who can be contacted if additional information is required The radio must be properly packed for return to the factory The orig inal shipping container an
6. or horizontal or signal strengths will be attenuated by 20 dB or more 05 4558A01 Rev C MDS Mercury Series Startup Guide 9 GE MDS TRANSMITTER POWER amp ANTENNA TEST The following procedure may be used to measure the transmitter s RF power output and SWR match of the antenna system A directional wattmeter is required for the test such as a Bird Model 43 with an appropriate element installed Before you start keep in mind that using the Test Mode will disrupt network operation Procedure 1 Connect a directional wattmeter between the ANTENNA port and the antenna system 2 Place the transceiver into the Radio Test Mode Main Menu gt Maintenance Tools Menu gt Radio Test gt Radio Mode gt Test NOTE The Test Mode has a 10 minute timer after which it will return the transceiver to normal operation The Test Mode can also be terminated manually via the menu 3 Set the transmitter RF output power to 28 dBm Main Menu gt Radio Configuration gt Transmit Power NOTE The Test Mode RF power setting does not affect the output level during normal operation 4 Activate key the transmitter Main Menu gt Maintenance Tools gt Radio Test gt Test Mode gt TxKey gt Enable Use the spacebar to key and unkey the transmitter ON and OFF Enable Disable 5 Using the wattmeter measure the forward and reflected power into the antenna system and calculate the SWR The ratio should be less than 2 1 Higher levels may ind
7. units that are part of the same network The Network Name must be pro grammed to enable Remote units to associate with the Access Point unit Default name is MDS Mercury e IP Address Must be a unique address to allow for IP access through the LAN port or over the air Default is 192 168 1 1 4 MDS Mercury Series Startup Guide 05 4558A01 Rev C ES GE MDS Other parameters commonly needing review or adjustment are e RF Output Power Level AP Only Check and adjust as neces sary for compliance with regulatory limits Default power is 30 dBm for 900 model 20 dBm for 3650 model Note that Remotes auto adjust power output based on target receive signal set at the Access Point e Password Used for remote access and Menu System features e Frequency Mode 900 model only This is found under Radio Configuration Menu gt Frequency Control The following modes are available Single Channel Where AP and Remote link up using one fre quency channel of the 14 possible channels in the 900 Mhz band This is the default frequency mode Static Hopping Where an AP and Remote link up using FHSS based on a Hop Pattern Hopping with Hand offs Used with Remotes only Based on AP locations file which contains GPS coordinates to prede termine or preselect which AP to hop with Frequency 3650 model only Operating frequency in MHz TDD Sync Mode AP only Selections are Free Run Prefer GPS and
8. username and password d Enter the username and password default entries are admin e Change the radio s network name from the default entry of MDS Mercury This can be changed under the Radio Configura tion Menu for both AP and Remote f Review other settings and make changes as necessary such as the unit password IP address and security g Under the Radio Configuration Menu at the Access Point set verify the following Transmit Power Settable from 30 dBm to 30 dBm AP 0 dBm to 30 dBm Remote 20 dBm for 3650 models Receive Power Target receive signal of the AP which Remotes will have to adjust based on distance h Under the Frequency Control Menu of the Radio Configuration Menu set verify the following Frequency Mode Single Channel Single Frequency Channel 0 to 13 Frame Duration for a 1 75 Mhz channel use either 10 or 20 milliseconds i Ensure that the Remote s radio parameters are consistent with the AP s network name and the Frequency Control Parameters Repeat above steps for each unit in the network 6 MDS Mercury Series Startup Guide 05 4558A01 Rev C GE MDS NOTE Using Configuration Scripts under the Maintenance Tools menu will aid in uniformly configuring multiple units See the Mercury Reference Manual for details Step 5 Connect the Data Equipment Connect Ethernet compatible data equipment to the unit s LAN port 10 100 BaseT or one of the serial ports de
9. 0 dBm will provide reliable communication in the network RSSI measurements and Wireless Packet Statistics are based on multiple samples over a period of sev eral seconds The average of these measurements is displayed by the RSSI screen In the steps below the path to the Menu System item is shown in bold text Procedure 1 Verify the Remote is associated with an Access Point unit by observing the LINK LED It should be on or blinking View and record the Wireless Packets Dropped and Received Error rates This information will be used later Main Menu gt Performance Information gt Packet Statistics Read the RSSI level at the Remote Main Menu gt Performance Information gt Internal Radio Status Optimize RSSI by slowly adjusting the direction of the antenna Watch the RSSI indication for several seconds after making each adjustment so that the RSSI accurately reflects any change in the link signal strength The less negative the number the stronger the signal View the Wireless Packets Dropped and Received Error rates at the point of maximum RSSI level They should be the same or lower than previously noted Main Menu gt Performance Information gt Packet Statistics If the RSSI peak results in an increase in the Packets Dropped and Received Error numbers the antenna may be aimed at an undes ired signal Try a different antenna heading NOTE Access Points and Remote stations must use the same antenna polarity vertical
10. 8A 1 0 A AP Receive 8 W 579 mA 333 mA RM Transmit 25W 1 8 A 1 0 A RM Receive 6 5W 471 mA 270 mA Size without mtg hardware Mounting Options Weight Case RADIO CHARACTERISTICS GENERAL Frequency Band TRANSMITTER RF Output connector Duty Cycle Output Impedance RECEIVER Type Sensitivity and Data Rate 5 72 H x 20 W x 12 38 D cm 2 25 H x 7 88 W x 4 88 D in Flat surface brackets DIN rail 19 rack 1kg 2 2 Ib Die Cast Aluminum Mercury 900 902 928 MHz Industrial Scientific amp Medical ISM Band Mercury 3650 3650 3700 MHz FCC Registered Band Mercury 900 30 to 30 dBm Mercury 3650 0 to 20 dBm Increments of 1 0 dB set by user Continuous 50 Ohms Double conversion superheterodyne Dependent on modulation and bandwidth See Reference Manual Specifications 14 MDS Mercury Series Startup Guide 05 4558A01 Rev C PHYSICAL INTERFACE APPROVALS PROTOCOLS MANAGEMENT 05 4558A01 Rev C GE MDS Ethernet 10 100BaseT RJ 45 Serial COM1 RS 232 DB 9F FCC Part 15 247 DTS CSA US Class 1 Div 2 Industry Canada RS 210 Ethernet IEEE 802 3 Spanning Tree Bridging VLAN IGMP TCP IP DHCP ICMP UDP TCP ARP Multicast SNTP TFTP Serial Encapsulation over IP tunneling for serial async multidrop protocols includ ing Modbus DNP 3 DF1 BSAP HTTP HTTPS TELNET SSH local console SNMPv1 v2W3 MIB II Enterprise MIB SYSLOG MDS NETview MS
11. MDS Mercury Series Wireless IP Ethernet Transceiver Covering all AP and Remote Units including Mercury 900 3650 and Option Set 1 Remotes MDS 05 4558A01 Rev C December 2008 GE MDS GE MDS Contents PRODUCT DESCRIPTION RE 2 INSTALLATION OVERVIEW csscccssscessssecsteccssscssndsssscscecsacansascoss 2 INSTALLATION STEPS sinisin en o nected enone 2 Step 1 Mount the Transceiver c ccceeeeeceeeeeeeeeeeeeesseeeeeneees 3 Step 2 Install the Antenna 0 2 eee eee eeeeeeeeeeeeeeeeeeeetsaeesteneees 3 Step 3 Measure amp Connect Primary Power ssec 4 Step 4 Review the Transceiver s Configuration 4 Step 5 Connect the Data Equipment sseeeeeeeeerrerrrer e 7 Step 6 Check for Normal Operation 0 c cceeeeseeessteeeeeneees 7 Resetting to Factory Defaults Use with Care esseen 8 AIMING DIRECTIONAL ANTENNAS ccceeeeetteeeeeeeeeeees 8 ee UE 9 TRANSMITTER POWER AND ANTENNA TEST 10 ee UE 10 TROUBLESHOOTING E 11 SEENEN 14 TECHNICAL ASSIS ANCE EN 16 PAC TORT SERVICE ett EE 16 Copyright Notice This publication is protected by U S A copyright law Copyright 2008 GE MDS All rights reserved The center of this guide contains a chart with a summary of installation procedures Refer to the Mercury Reference Manual 05 4446A01 for additional warnings cautions and notes 05 4558A01 Rev C MDS Mercury Series Startup Guide 1 GE MDS PRODUCT DESCRIPTION MDS
12. conds of power up WR Lights continuously AN Om 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 f the PING command is successful connect the RTU data equipment to the data port and verify normal operation fthe LINK LED on Remotes is not on after 2 or 3 minutes the unit has failed to associate with the Access Point It may be necessary t o reposition or redirect the radio s antenna for better reception signal strength Check also GPS antenna system C heck connected data equipment for normal operation 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 parameters are controlled by password ITEM MGT SYSTEM MENU DEFAULT VALUES RANGE Username Password Device Information admin lower case 1 8 alphanumeric characters e Case sensitive can be mixed case Network Name Network Configuration MDS Mercury 1 16 alphanumeric characters e Case sensitive can be mixed case IP Address Network Configuration 192 168 1 1 Contact your Network Administrator RF Output Power Radio Configuration 30 dBm 900 model AP 20 to 30 dBm RM 0 to 30 dBm 20 dBm 3650 model GE MDS In general signal levels stronger than 8
13. d packaging materials should be used when ever possible All factory returns should be addressed to GE MDS Customer Service Department SRO No XXXX 175 Science Parkway Rochester NY 14620 USA When repairs are complete the equipment will be returned by the same shipping method used to send it to the factory Please specify if you wish to make different shipping arrangements To inquire about an in process repair contact our Product Services Group using the telephone Fax or E mail information given above 16 MDS Mercury Series Startup Guide 05 4558A01 Rev C GE MDS LLC 175 Science Parkway Rochester NY 14620 General Business 1 585 242 9600 FAX 1 585 242 9620 Web www GEmds com
14. er escape sequence Cannot pass IP data to WAN a Verify your IP settings b Use the PING command to test communication with units in the local radio system c If successful with local PING attempt to PING an IP unit attached to another radio d If successful with the LAN PINGs try connecting to a known unit in the WAN Excessive Wireless Retries Possible Radio Frequency Interference RFI a If omnidirectional antennas are used consider changing to directional antennas This will often limit interference to and from other stations b Try skipping channels where persistent interference is known or suspected c The installation of a filter in the antenna feedline may be necessary Consult the factory for further assistance Password forgotten a Connect to the unit using a terminal through the COM1 Port b Consult the factory Get a password resetting Authorization Key c Enter the Authorization Key at the login prompt as a password Use login name authcode 05 4558A01 Rev C MDS Mercury Series Startup Guide 13 GE MDS SPECIFICATIONS GENERAL Temperature Range Humidity Primary Power External Power Supply Options 40 C to 70 C 40 F to 158 F 95 at 40 C 104 F non condensing 10 30 Vdc 48 Vdc 110 120 210 220 Vac Typical Current Consumption assumes 1 Watt RF Output Mode DC Power 13 8 Vdc 24 Vdc AP Transmit 25 W 1
15. icate a problem with the antenna or feedline 6 Turn off Test Mode at the Access Point and Remote radio Main Menu gt Maintenance Tools gt Radio Test gt Radio Mode gt Normal 10 MDS Mercury Series Startup Guide 05 4558A01 Rev C GE MDS TROUBLESHOOTING It is best to begin troubleshooting at the Access Point as the rest of the system depends on it for network synchronization and configuration If the Access Point has problems the operation of the entire network will be affected All radios in the network must meet these basic requirements e Adequate and stable primary power e An efficient and properly aligned antenna system e Secure connections RF data amp power e Proper programming of the unit s operating parameters espe cially Frequency Mode Selection Network Name and IP Address e The correct interface between the radio and the connected data equipment proper cable wiring data format and timing Table provides suggestions for resolving common system difficul ties using the radio s LEDs as a guide Table 2 on Page 13 provides guidance for using the Menu System as a tool If problems cannot be resolved using the guidance provided here review the GE MDS web site s technical support area for recent soft ware firmware updates general troubleshooting help and service information Additional help is available through our Technical Sup port Department Table 1 Troubleshooting Using LEDs Symptom Problem
16. n the Reference Manual P N 05 4446A01 INSTALLATION SUMMARY Step 1 Mount the Transceiver ANTENNA Step 2 Install the Antennas SVATEM Step 3 Measure amp Connect Primary Power 10 30 Vdc Step A Review the Transceiver s Configuration Network Name Unique name for each radio network Required for Remotes to associate with the Access Point Default name is MDS Mercury IP Address Must be a unique number to allow for IP access through the Ethernet Port NOTE A unique IP address is essential to access the web browser based Management System RF Output Power Adjust as necessary for regulatory compliance Username Password Used for remote access and some Management System features Username and Password default admin RTU PLC Crossover Cable to Radio Step 5 Connect the Data Equipment PC RUNNING TO GPS ANTENNA Connect the data equipment to data port s TERMINAL Provides 3 3 Vdc output e LAN 10 100BaseT Ethernet compatible equipment Straight Through TO DC POWER SUPPLY Ethernet PLC Crossover cable Ethemet switch Straight Through Cable to Radio 10 80 Vdc COM1 RS EIA 232 compatible equipment Crossover cable to serial PLC RTU TYPICAL INSTALLATION Remote Shown tep 6 Check for Normal Operation Observe the transceiver LED status panel for the proper indications In a normally operating system the following LED indications s hould be seen within 30 se
17. nfig Network Name Device Security Redundancy Config Model Event Log Reprogramming Ethernet Port Config Bridge Configuration SNMP Agent Config AP t AP Location Info RM SNTP Server Config NOTES Transmit Power Receive Pwr AP Freq Control Adv Config Wireless Security RADIUS Configuration Manage Certif Chart shows top level view only See Reference Manual for details Not all menu items are user configurable Spacebar is used to make some menu selections AP Access Point Only RM Remote Only MENU SYSTEM Flowchart t Ntwk Event Triggers Radio Event Triggers m Hdwr Event Triggers Red Config Options Force Switchover GPS Configuration RM EE Send GPS via UDP ES GE MDS Serial Number Uptime Date t Time Date Format Console Bd Rt UTC Time Offset Device Names Stream GPS to Console CC GPS UDP Server IP Address GPS UDP Server UDP Port Packet Statistics GPS Status Wireless Ntwk Stat Intl Radio Stat RM Config Scripts Ping Utility Auth Codes Reset to Defaults L Performance Trend t Radio Test F W Versions FAW Upgrade GE MDS 175 Science Parkway Rochester NY 14620 USA www GEmds com Insert to P N 05 4458A01 INSTALLATION REFERENCE CHART Detailed instructions are contained i
18. ng to optimize the received signal strength The unit has a built in received signal strength indicator RSSI that can be used to optimize the received signal level It is available under the Performance Informa tion menu 8 MDS Mercury Series Startup Guide 05 4558A01 Rev C a lt ZS a SB O SS Zo S x D S PER ee KE SE QF OG Se Saz E D EK 5 DO gaz xe rt EE gz Pe ip g ei 5 S Su S z 29 29 Zon 8 S e OL e OLO Ke 3 fi keck s os Sea R e 5 S SC Es o S gx fi e S 8 9 z Eis S SS S SSC i ER e 2 S i g z S so p O SS 5 ES 25 O 5 E 2 F ay g 20 2 g E 3 g SA 25 Si O et E 5 oie Om ER a o EE lt a oO e H Za Ke a 8 8 a 82 g 5 22 az Q S d e go 5 D x ase Z o ga Z Z g Se ge S z S 38 ZS 835 cae ES SNg Qa 9 E S oO o EG 20 s s boxe Xa 8 oT Gei ZS F S a oO O bd s gt O Gee dc Fe Ges et Sa i ELE gz BO peoa Zg a z HESS fvt Bo SO H S O Dn JA AZ INZ oc ZS pig oobi pi obi al m sf PF Pi S B Be a eu GU ou GH O 5 ZOOL Sot GL ZOOL E t 2 OLO OLO LO OLO A R Hy i ze Q Z e S Lu z O kS SS q Q S Se O O be S E QO Re Or Starting Information Screen Read Only Status MAIN MENU Network Radio Security Redundancy Device Performance Configuration Configuration Configuration Configuration AP Information Information Maintenance Tools l el Ntwk Intfc Co
19. nt beacon signal Ranging Unit is adjusting power timing and frequency with an AP Connecting Unit has an RF connection with the AP Authenticating When Device Authentication is in use The Remote is authenticating itself to the network to obtain security clearance Associated The unit has successfully synchronized and associated with an Access Point This is the normal status Alarmed The unit is has detected one or more alarms that have not been cleared c When the network is operating properly based on observation of the unit s LEDs connect a computer to the transceiver s data port that will be used by the local terminal equipment Send the PING command to verify communications link integ rity with the Access Point d After the PING is successful connect the terminal equipment to the radio s data port and verify normal operation Ifall checks are OK you are finished with the installation at this site Resetting to Factory Defaults Use with Caution Selecting Maintenance Tools gt Reset to Factory Defaults sets all trans ceiver parameters back to their factory defaults This may be useful when several parameters have been modified and there is no track of changes It causes the transceiver to return to a known factory state Use this function with care as all user customized settings will be cleared AIMING DIRECTIONAL ANTENNAS Directional antennas usually require some fine tuning of their beari
20. pending on the capability of your transceiver Use a straight through Ethernet cable to connect the LAN port to a hub or switch and a crossover cable to connect it directly to an Ethernet station PC PLC RTU Step 6 Check for Normal Operation This step verifies the proper operation of wireless communications between an Access Point and its associated Remotes At All Units Observe the transceiver s LED panel See Installation Setup Chart for the proper indications In a normally operating system the radio will typically become associated in about two minutes from start up At the Access Point a Ifthe Access Point unit is the first unit you are installing send a PING command to it through the LAN port This verifies basic LAN connectivity b If you have already installed a Remote unit try sending a PING to that unit through the Menu System PING utility or a device connected to the unit on the same subnet At Remotes a Look for the LINK LED to turn on and stay on This indicates the unit has successfully associated with the network s Access Point The association process may take up to 30 seconds b Check the Starting Information screen for the Device Status also known as Connection Status It will show one of the fol lowing Initializing This is the first phase after boot up 05 4558A01 Rev C MDS Mercury Series Startup Guide 7 GE MDS Scanning The unit is looking for an Access Poi
21. ransceiver a power connector and this start up guide Below are the basic steps for installing a trans ceiver Refer to the Mercury Reference Manual for detailed informa tion You will also find support information at the GE MDS Web site www GEmds com Our Technical Services Team is available to assist with any difficulties that may be encountered Refer to the back of this guide for contact information It is highly recommended that the Access Point unit be installed first so that you can quickly check the operation of each associated Remote as it is placed on the air 2 MDS Mercury Series Startup Guide 05 4558A01 Rev C Step 1 Mount the Transceiver Use the supplied 6 32 x 1 4 inch 6 mm screws to attach the mounting brackets to the bottom of the radio Figure shows the mounting dimensions of the unit Mount the radio to a stable surface Fasteners not normally supplied wo A SZZ lt q 85 8 21 8 cm a Figure 1 Transceiver Mounting Dimensions Dimensions for AP and Remotes identical ele Use only the supplied mounting bracket screws Screws POSSIBLE extending farther than 1 4 inch 6 mm into the case EQUIPMENT may cause internal PC board damage DAMAGE Step 2 Install the Antenna To minimize RF interference the antenna should be mounted at least nine inches gt 23 cm from the connected device s sensors and other external components of the system Additional information on antenna selection
22. rong device authentication settings Verify settings match on AP and Remote D LAN LED not Verify the Ethernet cable is connected at both ends lit b Verify that the appropriate type of Ethernet cable is used straight through or crossover as required c Verify setting of parameter Eth Port Follows Association if selected or enabled If enabled LED does not light when Remote is not associated GPS LED Indicates no GPS fix has been obtained This only applies not lit when GPS operation is desired a Check connection of GPS antenna cable and the antenna itself Is there a clear view to satellites Note Blinking LED indicates establishing TDD Sync 12 MDS Mercury Series Startup Guide 05 4558A01 Rev C Pay 36 GE MDS Table 2 Troubleshooting with the Menu System Symptom Cannot Access the Remote or AP through COM1 Problem Recommended System Checks Only occurs in three possible scenarios COM1 is damaged or the Unit is faulty COM1 is being used for Streaming GPS information to Console terminal COM1 is being used for serial data a Connect to unit via Telnet or Web browser b Disable the serial mode for COM1 Serial Gateway Configuration gt Com1 Serial Data Port gt Status gt Disabled or if you know the unit s data configuration c Connect to COM 1 via a terminal set to VT100 and the port s data baud rate to xxxx bps 4800 for GPS 8N1 d Port in Data mode Ent
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