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114 

MDS™ Master Station 

MDS 05-6399A01, Rev. F 

 

“A” Modem 
 
 

SDx/SDMS   
Polling Remote   
SCD 

9710/SDx   
Remote   
SCD 

9600 

8ms 

12ms 

 
The following table provides the appropriate PTT values for the various baud formats that are 
used with the most commonly used “A” modem in mixed repeater networks, that is, modem 
9600. 
 

Baud 
 
 

Polling Remote   
and Remote   
PTT 

 

96008N1 

0ms 

transmit underflow does not occur because of preamble air time 

96008E1 

4ms 

 

 

User Configuration 2: CKEY Repeater Network Case 

The configuration required at the remotes in the presence of a CKEY repeater is very similar to 
that of when a non-CKEY repeater is used. The only differences are: 

-

 

The SCD values required at the remotes should be smaller 

-

 

PTT should never be required 

“A” Modem 
 
 

SDx/SDMS   
Polling Remote 
SCD 

9710/SDx   
Remote   
SCD 

9600 

6ms 

8ms 

Note: Completely error free performance is not achievable at strong signal because the 9710 takes errors due to a 
known 9710 receiver issue. 

 

Содержание MDS Master Station

Страница 1: ...MDS Master Station Modular Communications Platform MDS 05 6399A01 Rev F DECEMBER 2016 Firmware Version 4 1 6 and higher Technical Manual Technical Manual Technical Manual ...

Страница 2: ......

Страница 3: ... not cover the description or configuration of features and settings common to the MDS Orbit family of products For full information on configuring the parts of the system that are not directly related to SD LN networking or the MDS Master Station please reference the MDS Orbit MCR Technical Manual p n 05 6632A01 The MDS Master Station manual is designed to be used in parallel with the MCR Technic...

Страница 4: ......

Страница 5: ...n redundant Operation 19 3 4 Antennas and Feedlines 19 Antennas 19 Feedlines 19 3 5 Grounding Considerations 20 3 6 Data Interface Connections 21 Ethernet Data Interface RJ 45 21 Serial Data Interfaces 21 MPRS Serial Data Connection 21 Mini USB 22 Alarm Output and 4 Wire Audio 22 4 0 INSTALLATION PROCEDURES 23 4 1 Unpacking and Inspection 23 4 2 Installation Steps 23 Initial Startup Operation 26 M...

Страница 6: ...Advanced Configuration 57 Audio 60 Actions 61 Remote SD Reprogramming 65 Monitoring 69 Performance 70 5 10SD x 0 0 Interfaces 71 General 71 Statistics 71 5 11LNMS interface 74 Understanding 74 Advanced Configuration 80 Monitoring 81 CLI Configuration Examples 86 5 12LN x 0 0 interfaces 93 6 0 MASTER STATION MODULES 94 6 1 AC Power Supply Module 95 6 2 DC Power Supply Module 96 6 3 Platform Manager...

Страница 7: ...nfiguration 2 CKEY Repeater Network Case 114 8 0 TROUBLESHOOTING 115 8 1 Interpreting Module LEDs 115 Normal Operation 115 Exception and Alarm States 116 8 2 Redundant Units 116 8 3 Technical Assistance 116 8 4 Replacing Modules 116 Power Supply Modules 117 Peripheral Modules including Platform Manager Radio Alarm and Alarm Relay Modules 117 Hot Swap Redundant Modules 118 Internal Duplexer Tray 11...

Страница 8: ... with all applicable limits on radiated RF power and the RF power output may need to be adjusted to maintain compliance depending on the gain of the antenna system All power supply main connections and disconnections must be made by a qualified electrical installer When servicing energized equipment be sure to wear appropriate Personal Protective Equipment PPE During internal service situations co...

Страница 9: ...of the EUT into portable applications with respect to RF compliance will require SAR testing and Regulatory approval CSA Notice Units Both AC and DC supply versions are permanently connected to Protective Earth via ground stud on the unit enclosure back where the final installation is subject to acceptance of CSA International or the local inspection authority having jurisdiction Conditions of Acc...

Страница 10: ...is likely to cause harmful interference in which case users will be required to correct the interference at their own expense This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 this device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Warning...

Страница 11: ... performance against customer expectations and industry leaders Commitment to continuous improvement and employee involvement Revision Notice While every reasonable effort has been made to ensure the accuracy of this manual product improvements may result in minor differences between the manual and the product shipped to you If you have additional questions or need an exact specification for a pro...

Страница 12: ... Station MDS 05 6399A01 Rev F and GE makes no representations or warranties for the use of this code by you independent of any GE provided software or services For more information contact gemds techsupport ge com ...

Страница 13: ...e in the chassis In FCC part 90 SCADA service the radio can function as a Master Repeater or Remote and is capable of full duplex operation Internal duplexer options are available configured for use with or without an external notch filter Provisions for connection to an external duplexer are also provided The Master Station is fully compatible with MDS PulseNET management software which provides ...

Страница 14: ... No 05 6398A01 contains basic installation and startup instructions for the product All GE MDS user manuals and updates are available online at www gemds com The MDS Master Station is built on the Orbit platform For reference information on advanced networking features available on the local LAN Interface refer to the MDS Orbit MCR Technical Manual 05 6632A01 Note that not all features are support...

Страница 15: ... Software configurable via a built in web based device manager no manual adjustments required Firmware upgradeable for future improvements and functionality enhancements Available encryption of payload data AES 128 bit for networks using all SD radios Dual serial functionality RS 232 and RS 485 Licensed 10 watt radio design ensures minimum 5 watts at the duplexer output and maximizes communication...

Страница 16: ...equipped with LN radio cards the Master Station works with Orbit MCR LN left and Orbit ECR LN right Figure 2 2 MPRS Compatible Remotes When equipped with SD radio cards the Master Station works with legacy MDS x710 left and newer MDS SD Transceivers ...

Страница 17: ... interfering 900 MHz signals from the receiver input Might be necessary in areas with high powered stations nearby such as paging transmitters Requires tuning to a particular frequency Available for use with an internal or external duplexer 03 3621Axx Alarm Audio Cable Cable connects to 6847 6848 Alarm Relay Modules to provide access to four wire audio push to talk analog RSSI and Major Minor alar...

Страница 18: ... 03 6837D9D3 03 6837D9E1 03 6837D9E3 900MHz Duplexers TX LOW Spare duplexer in tray wired for MDS Master Station 9 MHz TX 932 0 932 5 RX 941 0 941 5 COMBINED OUT 24 MHz TX 928 0 929 0 RX 952 0 953 0 COMBINED OUT 31 MHz TX 928 0 929 0 RX 959 0 960 0 COMBINED OUT 9 MHz TX 932 0 932 5 RX 941 0 941 5 3 port out for filter 24 MHz TX 928 0 929 0 RX 952 0 953 0 3 port out for filter 31 MHz TX 928 0 929 0...

Страница 19: ...e particular model you are seeking information on To the left of each entry there is a document icon Click the icon to display the equipment authorization report 4 Scroll down to the section labeled Equipment Specifications to locate the appropriate emission designator If additional assistance is required contact GE MDS using the information given at the end of this manual 2 3 Front Panel All acce...

Страница 20: ...s work in tandem and are independent of which radio is currently active Platform Manager 6834 Provides management and data interface functions Radio A Radio B 6846 6846 Single or redundant SD or LN Master radios Alarm Relay Module Alarm Module 6847 6848 Redundant Active radio RF relay and alarm audio interface Non redundant Alarm and audio interface Duplexer 6837 Internal RF duplexer if equipped A...

Страница 21: ...e primary power An efficient and properly installed antenna system Correct interface connections between the Master Station and any connected equipment Figure 3 1 shows a common arrangement of the MPRS Master Station as used in a multiple address radio network The system shows both SD and legacy x710 remote transceivers in use Depending on order options the Master Station can communicate with remo...

Страница 22: ...ations is a packetized diagnostic capability that provides the following advantages You can gather diagnostic data over a large radio network without disrupting the system communications flow When required you can increase diagnostics communications speed by actively collecting diagnostic data You can access diagnostic data for each radio in the network from any radio diagnostics port in the netwo...

Страница 23: ...e transceiver is automatically selected Installing or replacing a transceiver board causes the board to communicate briefly with the Platform Manager to establish which transceiver board will operate as the active board and which operates as the stand by For more information refer to section 8 4 Replacing Modules on Page 116 When redundant power supplies are present both supplies are actively oper...

Страница 24: ...B 7 8 inch HELIAX 0 08 dB 0 42 dB 0 83 dB 1 66 dB 1 1 4 inch HELIAX 0 06 dB 0 31 dB 0 62 dB 1 24 dB 1 5 8 inch HELIAX 0 05 dB 0 26 dB 0 52 dB 1 04 dB 3 5 Grounding Considerations To minimize the chance of damage to the radio and connected equipment a safety ground NEC Class 2 compliant is recommended which bonds the Master Station antenna system and connected data equipment to a single point groun...

Страница 25: ... that are installed Table 3 3 Default Serial Port Assignment Product variant COM1 COM2 MPRS Serial Payload Data System Console MPRL System Console System Console These ports are user configurable for specific applications The procedures for changing their default operation are provided later in this guide Not all PCs have a serial port If one is not available a USB to Serial adapter and appropriat...

Страница 26: ...per USB drivers available at www gemds com Connect to the management PC using the included Mini USB Cable Once the PC registers the device driver the port will auto baud The USB port provides CLI management only and cannot be used for network diagnostics or for payload data Alarm Output and 4 Wire Audio Alarm and audio signals are provided on the Alarm or Alarm Relay module Refer to Table 6 20 for...

Страница 27: ...g the unit while in operation 1 Mount the Unit The unit may be rack mounted 2U high in a 19 inch rack cabinet or may be placed on any sturdy tabletop or other flat surface The installation site should be free of excessive dust and should have adequate ventilation The chassis should be positioned so that all interface cabling will reach the required connectors a When rack mounting the rack ears can...

Страница 28: ...l Duplexer or internal T R switch Single N connector Figure 4 3 External duplexer or dual antennas Double C connectors TX and RX ports pass directly through 4 Install the Data Interface Cabling Interface connections are made to the front of the Platform Manager module Typical connections for most sites include ...

Страница 29: ...DC or a combination of both The following tables list each type and key operating parameters Table 4 1 AC Power Supply Module Module Input Power Current Rating 6755 100 220 VAC 50 60 Hz 120W Max All DC power supply modules have chassis isolated inputs and a diode bridge for floating ground positive ground or negative ground installations These modules include a keyed power connector with screw ter...

Страница 30: ...arm Audio Interface on Page 110 for pinout connections All other required connections on the front of the unit are cabled at the factory per ordered options 8 Add connection of battery backup as applicable Initial Startup Operation The radio is designed for continuous unattended operation but does require some minimal provisioning before operation This section explains the use of the radio s indic...

Страница 31: ...res are in place and valid The Alarm LED will turn off and the Power LED will begin to flash At this point the platform manager is booting and initializing the system Once the platform manager initializes the transceiver module the Power LED will stop flashing and turn solid Maximizing RSSI Since the Master Station almost always uses an omni directional antenna maximizing signal strength is done a...

Страница 32: ... of 115200 8N1 for transparent serial payload for MPRS master stations and local console for MPRL master stations COM2 is configured to operate at a baud rate of 115200 8N1 and is enabled for local console operation USB is enabled for local console operation proper system drivers must be installed on the PC connected to the MDS Master Station to use the USB port as a virtual serial device these dr...

Страница 33: ...gurations the USB console is the only option To use the one time password for log in proceed as follows At the username prompt enter the word recovery At the password prompt paste in the one time password saved earlier on your PC Using a one time password forces the unit to perform the function which was previously defined when the password was created factory reset The unit resets its entire conf...

Страница 34: ...pt enter the password admin is the default password Press ENTER Upon successful login the connection message appears 6 Enter the configuration mode by typing configure followed by the ENTER key 7 Review and configure all key settings for the required application Built in help is available by pressing the Tab key A summary of all unit settings may be viewed by entering the show details command Tab ...

Страница 35: ...dms sd config radio config basic config transmit frequency value Configure SDMS Modem set interfaces interface sdms sd config radio config basic config modem type modem Configure the SDMS Radio Mode set interfaces interface sdms sd config radio config basic config radio mode radio mode Configure SDMS Radio Power set interfaces interface sdms sd config radio config basic config rf output power valu...

Страница 36: ... are non zero e g An SD radio module only has one port so it will always be 0 The center 0 value in the interface name is always 0 and is reserved for future use Examples of valid interface names are eth 0 0 0 The first Ethernet port on the platform manger card in slot 0 eth 0 0 1 The second Ethernet port on the platform manager card in slot 0 sd 2 0 0 The SD Radio module in slot 2 ln 1 0 0 The LN...

Страница 37: ...the unit default Ethernet IP address is 192 168 1 1 The initial sign in prompt appears 4 Enter the username and password admin is the default entry for both fields then click Sign In 5 On first time login the Initial Setup Wizard will appear and provide guidance for general device setup This is disabled after the initial setup has been complete but may be re run at any time by accessing the Wizard...

Страница 38: ...d to connect to a COM port on the unit to access the CLI The default serial console settings are 115200 bps with 8N1 format A mini USB to USB cable may also be used to connect to a Computer in case no serial port exists If a mini USB connection is used the computer must contain the appropriate device driver A driver for serial operation can be found on GE MDS website Configuring The screen below s...

Страница 39: ...ode of the serial port Choices are RS232 DEFAULT RS485 2 Wire RS485 4 Wire Baud Rate The serial port baud rate in bps Choices are 300 1200 2400 4800 9600 19200 38400 57600 115200 DEFAULT 230400 Byte Format The data byte format in bits parity and stop bits Choices are 7N1 7 char bits no parity 1 stop bit 7E1 7 char bits even parity 1 stop bit 7O1 7 char bits odd parity 1 stop bit ...

Страница 40: ... When serial port is not being used as a SD payload or SD diagnostics DLINK port Hardware Flow Control When operating in CTSKEY mode all serial ports in the data path are required to be set to the same baud rate and that VMIN and VTIME remain at the defaults for serial data packets less than or equal to 255 bytes For serial packets over 255 bytes it is recommended that a cts delay time of at least...

Страница 41: ...e device is expected to be wired via null modem to an external DCE device The CTS line of the external DCE device drives the RTS line of the unit Statistics for the Serial ports and IP Payload 1 2 3 are located under the active SD radio interface Interfaces sd x 0 0 Status Statistics See the section entitled ...

Страница 42: ...dynamically allocated address can be assigned using DHCP The LAN port should be assigned IP addresses only if it is a routed interface that is not in a bridge Configuring To configure the LAN interface select the eth 0 0 0 or eth 0 0 1 As shown in the screens below there are five groups of configuration settings that can be configured General ETHx specifics IPV4 QOS Filter and NAT Basic Config Int...

Страница 43: ...nable or disable the use of an IP address Forwarding Indicates if IPv4 packet forwarding is enabled or disabled on this interface True DEFAULT False Mtu The size in octets of the largest IPv4 packet that the interface will send and receive Range 68 65535 1500 DEFAULT Advanced setting Address Use for creating static IPv4 IP address and removing this interface from the built in Network Bridge Neighb...

Страница 44: ...ave been added IN_TRUSTED IN_UNTRUSTED OUT_TRUSTED OUT_UNTRUSTED See the MDS Orbit MCR Technical Manual 05 6632A01 for information on configuring NAT Output Use for selecting and applying a QoS policy from the available QoS policies to the outgoing traffic on this interface See Quality of Service QoS in the MDS Orbit MCR Technical Manual 05 6632A01 for more information on creating QoS policies 5 8...

Страница 45: ...Manual 05 6632A01 5 9 SDMS Interface Understanding The configuring of SD interfaces on the Master Station is performed through a virtual interface called sdms SD Master Station This virtual interface much like a bridge interface is comprised of one or more sd nic member physical interfaces Each installed SDM Radio Module contains a single sd nic All configurations applied to the virtual SDMS inter...

Страница 46: ...eiver in the network has an equal probability of gaining access to the radio channel when it has data to send Coordination of Channel Access The main objective of the MAC is to coordinate channel access for all radios in the network preventing data collisions that can occur with simultaneous transmissions from radios on the same RF channel With MAC operation a single radio is configured as an Acce...

Страница 47: ...table is composed of the following columns Chassis Slot The slot in which the SD NIC was discovered Board Temperature The current temperature in degrees C as measured on the surface of the SD NIC The colored indicator will transition to yellow and red as the NIC approaches its operational limits PA Temperature The current temperature in degrees C of the power amplifier on the SD NIC The colored in...

Страница 48: ...dem selections for radio operation Members The Master Station sdms interface is a logical interface that is composed of one or more physical SD interface cards sd nic The members configuration item is the mapping between the logical sdms interface and the physical sd nic cards A single sd nic resides in each SDM Radio Module ...

Страница 49: ... not required in many cases and lower settings will place less demand on the power supply and reduce the chance of interference with other stations Only the power necessary to carry out reliable communications should be used Transmit Receive Frequency The receive and transmit frequencies may be viewed or set here Frequencies must be entered for the radio to operate Consult your station license to ...

Страница 50: ...in both networks System Alpha s units would all be set to System ID 1 System Beta s units would be set to System ID 5 Both systems will now operate on the same desired frequency Examples of valid and invalid arrangements are shown in Figure 5 3 and Figure 5 4 respectively Figure 5 3 System ID Example Valid Arrangement Figure 5 4 System ID Example Invalid Arrangement FCC Part 90 Repeater Mode Repea...

Страница 51: ...ed if the system will not be used for transmitting serial data The default value for this is COM1 Serial port settings such as baud rate and byte format are located under Services Serial Ports Payload Buffer The transceiver s buffer provides a way of handling data over runs where more data is passing through the COM port than can be immediately handled by the unit When the payload buffer is on any...

Страница 52: ... 110 4800F 4800 6 25 108 9600B1 9600 12 5 106 96001 9600 12 5 112 9600N 9600 6 25 98 19200N 19200 12 5 100 19200 19200 25 105 38400N 38400 25 99 650003 65000 50 See note 3 48001 4800 12 5 112 X 9600M1 9600 12 5 106 X 19200E 19200 12 5 96 X 19200M 19200 25 106 X 38400E 38400 25 97 X 1 For MDS x710 compatible operation 2 3200 bps not applicable to SD4 3 Only available with SDM9D Radio Modules Dlink ...

Страница 53: ...a pre shared key via TLS The version specified by this parameter will be only version allowed by the server TCP Port The TCP port that the Dlink service will listen on IPv4 Addr Optionally configure the service to only attach to the specified IPv4 Address This is useful when traffic is being separated into data and management VLANs If no value is specified the service will accept connections on al...

Страница 54: ... from being sent over the air SAF Network Access Point only If this device is in use in a Store And Forward network enable this option Repeater Network Access Point only If this device is in use in a repeater network enable this option Payload 1 2 Inter Packet Gap The inter packet gap is a timing setting in ms used to delimit a packet on the serial interface Too short of a time can cause serial st...

Страница 55: ...ch this instance of the IP Payload service should operate The details of these modes are shown below Talk on VRC Only in packet with mac mode The Virtual Radio Channel that data from this IP Payload instance will be tagged with when transmitted over the air Listen to VRC Only in packet with mac mode Over the air data tagged with this Virtual Radio Channel will be handled by this IP Payload instanc...

Страница 56: ...fy that the IP Payload service only will listen for connections on one of the IP addresses of the system This is useful in VLAN configurations where you wish to only make the IP Payload server available on a specific VLAN in the system TCP Client The TCP client mode allows the Master Station to connect to a TCP server when there is traffic to send This mode of operation is not often used in Master...

Страница 57: ...tain active TCP sessions across your network TCP Server Client specific configuration options include Local IP Port The TCP port number that the server will listen for connections on Server IP Address The IP address of the server the Master Station is to connect to Remote IP Port The TCP port that the server is listening on IPv4 Bind IP If the Master Station is configured with multiple IP interfac...

Страница 58: ...rver will listen for connections on Server IP Address The IP address of the server the Master Station is to connect to Remote IP Port The UDP port that the server is listening on IPv4 Bind IP If the Master Station is configured with multiple IP interfaces you can specify that the IP Payload service only will listen for connections on one of the IP addresses of the system This is useful in VLAN con...

Страница 59: ...N interface For full information on applying firewall filters to interfaces see the MDS Orbit MCR Technical Manual 05 6632A01 VLAN The VLAN configuration section is used to configure the SDMS interface to be a member of a VLAN For full information on configuring VLANs and adding interfaces to existing VLANs see the MDS Orbit MCR Technical Manual 05 6632A01 ...

Страница 60: ...5 6399A01 Rev F NAT The NAT configuration section is used to configure network address translation NAT on the SDMS interface For full information on configuring NAT on interfaces see the MDS Orbit MCR Technical Manual 05 6632A01 ...

Страница 61: ... carrier The default setting is 0 but it may be set to any value up to 255 ms In most cases no change is required from the default setting A possible exception is when the transceiver is inter working with certain early generation MDS radio equipment Push to Talk Signal Specifies the sensing polarity of the PTT line This must be configured to one of the following values Off PTT line is not used Hi...

Страница 62: ...er units operating full duplex and does not apply to legacy packet or packet with MAC modes When operating continuously keyed latency is decreased and AFC operation on legacy remotes may be improved Switched carrier operation when low latency is not required is recommended when operating in high ambient conditions to reduce power consumption and heating Force DCD to Asserted Some systems require a...

Страница 63: ...it by GE MDS technical support for specific applications Data Device Mode x710 mode only This value controls the device behavior of the radio when operating in x710 mode In DCE mode CTS will go high following RTS subject to the CTS programmable delay time CTS KEY mode the unit is assumed to be controlling another radio The radio will still key based on the RTS line but the CTS line is used as a ke...

Страница 64: ...bled pre emphasis is applied on the transmitter and de emphasis is applied on the receiver This setting is typically used in operation with voice radios Squelch When set to auto the transceiver will use its internal squelch to enable transmission of audio signals When set to bypassed the transceiver will transmit all audio signals regardless of level Vox Enabled Enables or disables the integrated ...

Страница 65: ...espond to requests for Remote SD Reprogramming This section contains various parameters for the broadcasting of new firmware to remote SD radios Please see section Remote SD Reprogramming on page 65 Actions Force Alarm From the Force Alarm menu you can force the SD radio interface cards to enter a test alarm state To activate an alarm select which radio slot to alarm and click the Perform action b...

Страница 66: ... message Only the initiating radio requires configuration when using the Link Test screen and it is only available when operating in Packet w MAC mode A summary of data statistics is displayed on the right side of the screen including transmit receive packet counts total bits and total number of bit errors Destination Address The unit address of the other radio being tested Count The number of tim...

Страница 67: ...tion can be specified Reboot All remote radios will reboot to the currently active firmware image Set Radio Mode Change the radio mode of remote radios x710 transparent packet with MAC Set Frequencies Set the receive and transmit frequencies of remote radios Set Modem Type Change the configured modem of remote radios Set Transmit Tolerance Change the configured transmit tolerance of remote radios ...

Страница 68: ...ow RF Key Test Using the RF Key Test action the active radio can be manually keyed transmitter enabled or de keyed transmitter disabled This may be useful when diagnosing signal strength on a remote receiver Spectrum Analyzer A unique feature of the transceiver is the ability to view the RF spectrum above and below the operating frequency using its built in Spectrum Graph Often this can assist in ...

Страница 69: ... time however the Master Station remains unaware of the number or success of downstream radios participating in reprogramming During reprogramming the status of the reprogramming will be available on all the radios participating in the process Because the initiator is broadcast only this status can only indicate progress toward sending out of all of the messages On the nodes the progress toward co...

Страница 70: ...uring Intrusive Reprogramming See Table 5 4 for reprogramming times Block Size Sets the overall block size in bytes of each data packet Default setting is 512 Auto Reboot When enabled the remote radios will automatically reboot after a firmware image upgrade If disabled the newly loaded image will not become valid until the remote radio is rebooted manually Packet Size Specifies the size of the re...

Страница 71: ... Polling assumptions Polling should be temporarily suspended while OTA reprogramming is active Start Reprogramming When ready to reprogram the SD firmware click the Start Reprogramming action File Source There are many file transfer protocols supported select Local File to upload directly from your browser or HTTP FTP SFTP TFTP to have the MDS Master Station retrieve the file from a remote server ...

Страница 72: ... you are ready to load a new file click the Begin Reprogramming button to begin reprogramming To view the current status of the remote reprogramming operation navigate to the sdms interface status page Cancel Reprogramming During the reprogramming operation the user has the ability to cancel reprogramming at any time either on the Master Station which will affect all radios or on individual receiv...

Страница 73: ... even though no errors had been detected to prevent their being deliverable to a higher layer protocol One possible reason for discarding such a packet could be to free up buffer space In Errors For packet oriented interfaces the number of inbound packets that contained errors preventing them from being deliverable to a higher layer protocol Out Octets The total number of octets transmitted out of...

Страница 74: ...Status Performance Measured RF Power Read only indication of the measured RF output power in dBm Signal to Noise SNR Read only indication of the signal to noise ratio of the received signal RSSI Read only indication of the measured received signal strength in dBm IPv4 IPv6 ...

Страница 75: ... a debugging situation General Interfaces sd x 0 0 Status General This screen is read only and displays the status of the SD NIC interface Statistics Interfaces sd x 0 0 Status Statistics Sd Statistics This section will contain statistics on the MAC COM Ports and IP Payload 1 3 Discontinuity Time The time on the most recent occasion at which any one or more of this interface s counters suffered a ...

Страница 76: ...al number of transmitted packets on the COM1 port Com 2 Tx Packets The total number of transmitted packets on the COM2 port Eth Tx Packets The total number of transmitted packets on the Ethernet port IP Payload 1 2 or 3 Statistics Tx Packets Total number of transmitted packets Rx Eth Bytes Total number of received bytes on the Ethernet Rx Eth Packets Total number of received packets on the Etherne...

Страница 77: ...P Keepalive Timeouts Total number of TCP Keepalive Timeouts by the radio MAC Statistics MAC Tx Frames Total number of transmitted frames on the MAC MAC Rx Frames Total number of received frames on the MAC MAC Checksum Fails Total number of checksum failures on the MAC MAC Tx Data Frames Total number of transmitted data frames on the MAC MAC Tx Contention Frames Total number of transmitted contenti...

Страница 78: ...from 20kbps to 120kbps The radio is suitable to interface both Ethernet and Serial controllers such as PLCs RTUs and SCADA systems while offering greater throughput then traditional FSK solutions The module utilizes QAM modulation a highly efficient PA and a direct conversion receiver to provide dependable wireless communications An advanced Media Access Control MAC provides advanced interference ...

Страница 79: ...d By default the radio ships from the factory with a 12 5KHz bandwidth and 10k symbol sec data rate Modem operation is configured for Adaptive Modulation with FEC disabled Transmit and Receive frequencies are unprogrammed and left to field installation personnel to prevent inadvertent operation on the wrong channel For the advanced user the module supports configuring more items including Data Ret...

Страница 80: ...to use The score is determined based on signal strength and packets received Advanced configuration can be used to provide some control over the adaptive modulation thresholds The primary use case for this feature is if an AP has some remotes that are close to the AP and could support a higher data rate and some farther away or obstructed that can only support a lower data rate This mode allows th...

Страница 81: ... control what networks the radio connects to Valid values 1 to 31 letters DEFAULT is mds_ln The network name string is used to identify the logical network that the device should join If the network name does not match the device will log an event to identify network name collisions Data Compression Over the air compression lzo Compresses the over the air traffic with the LZO algorithm DEFAULT non...

Страница 82: ...ome remotes close to the Access Point and others farther away or obstructed This mode allows the close remotes to take advantage of the higher data rate for the directed messages while the remotes use a more conservative modulation Radios with fixed modulation settings will operate only at the modulation that you specify If the specified modulation is higher than the connection can support no traf...

Страница 83: ...splayed and give the user the ability to enter radius info on the AP and certificate info on the remote Encryption The type of over the air encryption to perform none No data privacy DEFAULT aes128 ccm Protect data with 128 bit AES encryption using CCM mode aes256 ccm Protect data with 256 bit AES encryption using CCM mode Passphrase The passphrase used in PSK mode 8 to 64 letters DEFAULT blank Ce...

Страница 84: ...180 NOTE Remember to click on the Save button when finished Advanced Configuration Figure 5 9 Licensed Narrowband AP Advanced Settings Figure 5 10 Licensed Narrowband LN Remote Advanced Settings The Advanced Setting menu appears slightly different on APs than on Remotes Data Retries Number of times to retry unicast data before declaring failure Valid values 0 15 DEFAULT 3 Packet TTL Time to Live L...

Страница 85: ...ended device This is similar to ARP proxy QAM 16 Threshold When the radio is using automatic modulation it will automatically switch to QAM 16 modulation when the averaged calculated RSSI value drops below this value Valid values 100 to 0 dBm DEFAULT 85 dBm If you set the value to 0 this modulation is disabled QAM 64 Threshold When the radio is using automatic modulation it will automatically swit...

Страница 86: ...rrors had been detected to prevent their being deliverable to a higher layer protocol One possible reason for discarding such a packet could be to free up buffer space In Errors For packet oriented interfaces the number of inbound packets that contained errors preventing them from being deliverable to a higher layer protocol Out Octets The total number of octets transmitted out of the interface in...

Страница 87: ...er is out of lock Call GE MDS tech support for assistance radio not calibrated Radio was not calibrated Call GE MDS tech support for assistance internal temp The radio s internal temperature exceeds the operating threshold Firmware Revision NIC Firmware Revision Temperature The transceiver temperature in degrees C Modem Tx Success Number of packets successfully transmitted by the modem Modem Tx Er...

Страница 88: ...o interperate the LEDs on an LN radio Important Notes and Information Regarding EVM Last Modulation The modulation measured at the time of the last received packet Rate The calculated over the air rate from Table 5 5 Figure 5 14 Licensed Narrowband LN Hardware Info Information about the Licensed Narrowband NIC s hardware is also displayed on the LN Radio s Statistics menu This information may be h...

Страница 89: ...ing to align an antenna or gather link status information we recommend setting the page refresh to 3 seconds EVM The Error Vector Magnitude measured at the time of the last received packet For more information refer to See Table 6 14 LN Interface LED Descriptions for details on how to interperate the LEDs on an LN radio Important Notes and Information Regarding EVM Rx Modulation The modulation mea...

Страница 90: ...eceive Keyed Stop The current test state Test RSSI Receive Mode only The current signal RSSI CLI Configuration Examples AP Mode On the next page the example will display how to configure the LN module as an access point with the network name of MyNetwork and default settings For this example we assume a transmit frequency of 451 4 MHz and a receive frequency of 456 4 MHz Your own LN frequencies mu...

Страница 91: ...sion lzo header compression true power 40 tx frequency 451 4 rx frequency 456 4 channel 12 5KHz 9 6ksps modulation automatic fec false security security mode psk encryption aes256 ccm passphrase 4 BfPtSlDWFNhtqe4ZcJTWQQ advanced config data retries 3 packet ttl 600 remote age time 600 endpoint age time 300 allow retransmit true arp cache false qam16 threshold 85 qam64 threshold 70 The following co...

Страница 92: ...is example we assume the inverse of the AP frequency plan a transmit frequency of 456 4 MHz and a receive frequency of 451 4 MHz Your own LN frequencies must be set according to your user license set interfaces interface lnms ln config device mode remote network name MyNetwork tx frequency 456 4 rx frequency 451 4 show interfaces interface lnms ln config details radio mode standard device mode rem...

Страница 93: ...cy 451 4 channel 12 5KHz 9 6ksps modulation automatic fec false security security mode psk encryption aes256 ccm passphrase 4 BfPtSlDWFNhtqe4ZcJTWQQ advanced config data retries 3 nic id 0 inactivity timeout 600 remote age time 600 arp cache false qam16 threshold 85 qam64 threshold 70 The following configures the LN module to use data compression EAP authentication and aes128 ccm encryption The EA...

Страница 94: ...rfaces state interface lnms ln status ln status init status complete ln status current device mode access point ln status alarms ln status firmware revision 0 2 4 ln status temperature 45 ln status modem stats modem tx success 5401378 ln status modem stats modem tx error 0 ln status modem stats modem rx success 37645 ln status modem stats modem rx error 11 ln status mac stats mac tx success 72699 ...

Страница 95: ...status init status complete ln status current device mode remote ln status alarms ln status firmware revision 0 2 4 ln status temperature 43 ln status modem stats modem tx success 33116 ln status modem stats modem tx error 0 ln status modem stats modem rx success 197463 ln status modem stats modem rx error 55283 ln status mac stats mac tx success 11424 ln status mac stats mac tx queue full 0 ln st...

Страница 96: ... 68 ln status last rx packet last evm 0 ln status hardware info serial number 2661832 ln status hardware info hardware id 0 ln status hardware info hardware revision 0 ln status test test mode time 0 ln status test test state stop Test Mode Ensure the CLI is in operational mode To enter Test Mode and key the transmitter for 5 minutes request interfaces state interface lnms ln status test mode stat...

Страница 97: ... statistics The lnms interfaces shows the active nics statistics while the ln nic interface shows the statistics of each nic active or not It has the additional parameter of active nic which indicates if this nic is active in particular All other parameters are the same as the lnms interface ...

Страница 98: ...plexer in tray wired for MDS Master Station 6843 12 36 V DC Power Supply Module 12 36 VDC 10 A Max DC Power Supply Module Spare power supply can be used in either of two power supply slots of the MDS Master Station 6844 36 75 V DC Power Supply Module 36 75 VDC 3 5 A Max DC Power Supply Module Spare power supply can be used in either of two power supply slots of the MDS Master Station 6845 75 140 V...

Страница 99: ...on serviceable fuse Ambient Temperature range Full capacity from 30 C to 60 C CSA certified operating range 30 C to 39 C Master station power supply modules are field replaceable units that can be removed from an operating system so long as the input power source to the module being replaced has been disconnected Refer to Section 8 4 Replacing Modules for information on removal and installation Wh...

Страница 100: ...C to 60 C CSA Certified operating range 30 C to 50 C Master station power supply modules are field replaceable units that can be removed from an operating system so long as the input power source to the module being replaced has been disconnected Refer to Section 8 4 Replacing Modules for information on removal and installation DC power supply modules are available for several different input rang...

Страница 101: ...tion purposes for future radio module offerings When ordered with WiFi the Platform Manager module may be configured using a tablet smartphone or other WiFi enabled web device The Interfaces on the front panel of the Platform Manager are described below Note that the small connector on the bottom right just above the part number is currently unused Platform Manager LED Indicators The Platform Mana...

Страница 102: ...0 38400 57600 and 115200 bps asynchronous only Figure 6 5 COM1 Connector RJ 45 As viewed from outside the unit COM1 is hard wired as a DCE device Table 6 6 COM1 Pin Descriptions Pin Number Radio Input Output Pin Description 1 OUT DSR Data Set Ready 2 OUT DCD Data Carrier Detect Link A high indicates signal received 3 IN DTR Data Terminal Ready 4 Ground Connects to ground negative supply potential ...

Страница 103: ... modes are provided below In addition to RS 485 mode the radio is capable of operating in RS 422 mode Configure the port for RS 485 but follow the RS 422 wiring arrangements shown in below under COM2 RS 485 and RS 422 Wiring Arrangement Figure 6 6 COM2 Connector RJ 45 As viewed from outside the radio COM2 is hard wired as a DCE device Table 6 7 COM2 Pin Descriptions Radio in RS 232 Mode Pin Number...

Страница 104: ... Received Data Non inverting driver output 7 IN TXD TXA Transmitted Data Inverting receiver input 8 OUT RXD RXA Received Data Inverting driver output COM2 RS 485 and RS 422 Wiring Arrangement RXD RXB and RXD RXA are data received by the radio and transmitted RXD RXB is positive with respect to RXD RXA when the line input is a 0 TXD TXB and TXD TXA are data sent to the radio to be transmitted TXD T...

Страница 105: ...ce The USB Interface follows standard Mini USB wiring and protocol This interface can be used to access a command line user interface when connected to a computer USB port and the GE provided driver is installed Refer to Mini USB on Page 22 for more information ...

Страница 106: ... bi color green red LEDs to indicate power alarm and active standby status as shown in the table below Blue LEDs to indicate receiver transmit and receive are also provided Table 6 11 SD Radio Module LEDs LED Name Behavior Meaning PWR ALARM GREEN FLASHING RED FLASHING GREEN Alternating with ACTIVE Power applied Alarmed radio Radio power up Firmware is updating ACTIVE GREEN OFF Alternating with PWR...

Страница 107: ...ity 0 5 ppm 30 C to 60 C TX Power Out 40 25 dBm 0 85dB at radio card for 30 C to 60 C1 37 dBm 1 85 0 85 dB at back of chassis 30 C to 60 C1 TX Frequency Response 1 0 dB from 100 Hz to 2 5 kHz Agency Approvals FCC Part 24D FCC Part 101C IC RSS 119 Load VSWR 10 1 Max All angles No damage Power Consumption 80W for all DC and AC versions 100 TX Duty Cycle Receive RX Parameter Specification Frequency R...

Страница 108: ...n 80W for all DC and AC versions 100 TX Duty Cycle Receive RX Parameter Specification Frequency Range 400 450 MHz SDM4B 450 512MHz SDM4C RX Intermodulation 60 dB RX Adjacent Channel 60 dB RX Spurious and Image 60 dB RX Baseband Amplitude 225 Audio Level 275 mV RMS 50 dBm 1 kHz RSSI Accuracy 3 dB for RSSI 110 to 70 dBm RX High RF Input Level 10 dBm no damage RX Baseband Frequency Response 1 0 dB fr...

Страница 109: ... active standby status as shown in the table below Blue LEDs to indicate receiver transmit and receive are also provided Table 6 14 LN Interface LED Descriptions Mode LED State Description Access Point Remote ACTIVE PWR ALARM Off Green Interface is operational Interface is not currently the active NIC in a redundant system Access Point Remote ACTIVE PWR ALARM n a Flashing Red Interface is in an al...

Страница 110: ...l Specifications Transmit TX Parameter Specification Frequency Range 896 960 MHz Frequency Stability 0 5 ppm 30C to 60C TX Power Out 38 8dBm 0 2 0 35dB Peak at radio card for 30 to 60C1 35 2dBm 0 5dB Peak in redundant configuration with integrated duplexer Agency Approvals FCC Part 90 FCC Part 101 IC RSS 119 Load VSWR 10 1 Max All angles No damage Power Consumption 45W for all DC and AC versions 1...

Страница 111: ...WR 10 1 Max All angles No damage Power Consumption 45W for all DC and AC versions 100 TX Duty Cycle Receive RX Parameter Specification Frequency Range 757 788 MHz RX Intermodulation 60 dB RX Adjacent Channel 60 dB RX Spurious and Image 60 dB RSSI Accuracy 3 dB for RSSI 110 to 30 dBm RX High RF Input Level 20 dBm no damage Power Consumption 30W for all DC and AC versions transmitter disabled Noise ...

Страница 112: ...WR 10 1 Max All angles No damage Power Consumption 45W for all DC and AC versions 100 TX Duty Cycle Receive RX Parameter Specification Frequency Range 330 406MHz L4A 406 470MHz L4E RX Intermodulation 60 dB RX Adjacent Channel 60 dB RX Spurious and Image 60 dB RSSI Accuracy 3 dB for RSSI 110 to 30 dBm RX High RF Input Level 20 dBm no damage Power Consumption 30W for all DC and AC versions transmitt...

Страница 113: ...Interfaces and Indicators 03 6847Axx Alarm Relay Module Redundant RX TX RF Connection for Radio A Radio B and OUT Relay to switch RF OUT based on active A or B Toggle Switch to select active A B or Auto Alarm and Active LEDs Alarm Audio Connector 03 6848Axx Alarm Module Non Redundant Does not include RF Connections Does not include Relay Does not include Toggle Switch Alarm and Active LEDs Alarm A...

Страница 114: ...ule LEDs The Alarm Module includes LEDs to indicate the active Radio Module A or B as well as the presence of a Major or Minor Alarm Table 6 20 Alarm Module LEDs LED Name Behavior Meaning ALARM MAJ RED On Major Alarm Master Station ALARM MIN RED On Minor Alarm Master Station ACT A BLUE On Radio A Active Off Radio A Standby ACT B BLUE On Radio B Active Off Radio B Standby Alarm Audio Interface The ...

Страница 115: ... 7 Ground Figure 6 10 Alarm Audio Connections As viewed from outside the radio Alarm Relay Toggle Switch 6847 Only For redundant units the Alarm Relay module includes a manual override toggle switch which can be set into one of three positions to associate it with a particular radio The toggle switch is locking and must be pulled out to change positions Switch functions are as follows Up Radio A D...

Страница 116: ...efore January 2017 the cabling to the duplexer depends on the frequency plan In this case the duplexer tray will be labeled HIGH and LOW For those units cable as directed in Table 6 21 below Table 6 21 Cabling to the Duplexer Tray Faceplate for pre 2017 Master Stations Duplexer Option Frequency Plan Cable From To Antenna Connection on Back Comment Internal TX RX TX HIGH RX LOW COMBINED OUT Cable b...

Страница 117: ...on t need to worry about resetting this configuration since all the parameters involved are ignored in Packet with MAC mode User Configuration 1 Non CKEY Repeater Network Case The following parameters need to be configured in the order in which they are described below 1 SCD A soft carrier dekey delay of greater than 0 needs to be configured on the polling remote and on the remotes to prevent the ...

Страница 118: ...w does not occur because of preamble air time 96008E1 4ms User Configuration 2 CKEY Repeater Network Case The configuration required at the remotes in the presence of a CKEY repeater is very similar to that of when a non CKEY repeater is used The only differences are The SCD values required at the remotes should be smaller PTT should never be required A Modem SDx SDMS Polling Remote SCD 9710 SDx R...

Страница 119: ...covers this in detail Before starting any detailed troubleshooting check the basic requirements at both ends of the link primary power secure cable connections and proper antenna heading In many cases one of these causes poor operation or a complete loss of link service 8 1 Interpreting Module LEDs The LEDs on the front of installed modules provide useful information when troubleshooting Refer to ...

Страница 120: ...o Modules Redundant Only ACTIVE Both Modules GREEN System ERROR both radios active Alarm Relay Module may still show only one active Select Radio with A B Toggle Switch Return to Auto Remove and re seat one or both radio modules Alarm Module ALARM MAJ ALARM MIN RED Master Station Major or Minor Alarm Use Device Manager to determine Alarm 8 2 Redundant Units The active radio can be identified by th...

Страница 121: ...es and slide into the chassis until it engages with the backplane connectors Push firmly on the faceplate of the module to ensure a good connection and hand tighten the thumb screws The thumb screws should be further tightened to 10 in lbs or approximately turn past hand tight to ensure optimum heat transfer through thermal contact connector on the rear of the unit Connect the power cable first ma...

Страница 122: ...sure a good connection and hand tighten the thumb screws The thumb screws can be further tightened with a screwdriver Radio Modules should be tightened to 10 in lbs or approximately turn past hand tight to ensure optimum heat transfer through thermal contact connector on the rear of the unit Reconnect faceplate cabling connections to other modules as necessary Hot Swap Redundant Modules On a redun...

Страница 123: ...it frequency up to 100 kHz without re tuning the duplexer The duplexers shown in Figure 8 1 400 MHz Notch Duplexer can be aligned in the field by experienced technicians using high quality test equipment For assistance contact GE MDS Technical Support for additional details about tuning Figure 8 1 400 MHz Notch Duplexer Adjustment generally not required for transmit changes up to 100 kHz Duplexer ...

Страница 124: ... the TX SMA connection on the front of the duplexer tray 3 Using an adapter connect the RF power meter to the SMA Cable on the front of the unit If the power registers 39 dBm the radio board is functioning correctly If the power registers less than 39 dBm proceed with Step 4 4 Use the front panel to switch to the alternate transmitter and again measure the RF power output If the alternate transmit...

Страница 125: ...duplexer may vary slightly its operation and removal remain the same Disconnect the SMA cables from the front of the duplexer tray Remove the two screws on the top of the unit that secure the duplexer tray into the front of the chassis Carefully slide the duplexer tray out the front of the chassis by applying pressure to the antenna N connectors on the rear of the unit ...

Страница 126: ...122 MDS Master Station MDS 05 6399A01 Rev F Remove four screws to remove the duplexer assembly from the tray ...

Страница 127: ...MDS 05 6399A01 Rev F MDS Master Station 123 Figure 8 3 Internal Duplexer Removal Use care when removing the duplexer Physical damage may cause detuning ...

Страница 128: ...wo ends the path must clear the ground or other obstacles by some percentage of a Fresnel zone The Fresnel zone corresponds to the width or girth of the radio signal There are first second and third Fresnel zones but the first zone is the only one that has substantial effects on signal strength The first Fresnel zone can be visualized as an oval shaped volume between two station antennas Figure 9 ...

Страница 129: ...orld have differing propagation conditions which can be categorized as favorable average or adverse In general mountainous areas have favorable propagation conditions while tropical areas and those near large bodies of water have adverse conditions Calculating Path Loss Assuming that we have satisfied the line of sight and first Fresnel zone clearance requirements we can calculate the path loss At...

Страница 130: ...fs free space path loss in dB Gra receive antenna gain in dBi Lrfl receive feedline loss in dB Ltfl transmit feedline loss in dB Gta transmit antenna gain in dBi Probability of System Fading where FProb probability of fading more than F a terrain factor 4 is used for very smooth terrain such as over water 1 is used for average terrain with moderate roughness 0 25 is used for mountainous or very ro...

Страница 131: ... 4 141 40mW 5 125 32mW 6 115 25mW 7 100 20mW 8 090 16mW 9 080 125mW 10 071 10mW 11 064 12 058 13 050 14 045 15 040 16 0355 dBm mV Po 17 31 5 18 28 5 19 25 1 20 22 5 01mW 21 20 0 22 17 9 23 15 9 24 14 1 25 12 8 26 11 5 27 10 0 28 8 9 29 8 0 30 7 1 001mW 31 6 25 32 5 8 33 5 0 34 4 5 35 4 0 36 3 5 37 3 2 38 2 85 39 2 5 40 2 25 1µW 41 2 0 42 1 8 43 1 6 44 1 4 45 1 25 46 1 18 47 1 00 48 0 90 dBm mV Po ...

Страница 132: ...up of eight data bits and start stop and parity bits Ckeyed Pertains to continuously keyed Master stations full duplex CLI Command Line Interface A method of user control where commands are entered as character strings to set configuration and operating parameters CTS Clear to Send Decibel dB A measure computed from the ratio between two signal levels Frequently used to express the gain or loss of...

Страница 133: ...de Latency The delay usually expressed in milliseconds between when data is applied to the TXD pin at one radio until it appears at the RXD pin of another radio Listen Before Transmit A collision avoidance mechanism that attempts to allow transmission only when the channel is clear mA Milliamperes current flow 1000 mA 1 Ampere MAC Media Access Control NIC Network Interface Card This is another nam...

Страница 134: ...l Unit A data collection device installed at a remote radio site An internal RTU simulator is provided with the transceiver to isolate faults to either the external RTU or the radio RX Abbreviation for Receive See also TX SAF Store and Forward An available feature of the radio where data is stored by a designated Remote and then retransmitted to a station beyond the communication range of the AP S...

Страница 135: ...e COM ports Transparent Mode A mode in which payload data remains unchanged from its original format when it is sent over the air A radio in this mode is said to be transparent to connected equipment at each end of a link TX Abbreviation for Transmit See also RX VLAN Virtual Local Area Network WAN Wide Area Network x710 The generic name for GE MDS legacy transceiver family products including the M...

Страница 136: ...hipping box and on any correspondence relating to the repair No equipment will be accepted for repair without an authorization number Return authorization numbers are issued online at www gedigitalenergy com Communications htm On the left side of the page click Login to my MDS and once logged in click Service Request Order Your number will be issued immediately after the required information is en...

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