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GE MDS TD220, Руководство пользователя

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TD220_manual12.doc 

Page 22 of 38 

1/10/2011 

 

 

Parameter 

R/W 

Description 

A…) ITCS Translation 
Table Entry 

R/W 

Each entry in this table contains a 32-bit Destination ITCS 
Address, a 32-bit ITCS Address Mask, an IP Address and port, and 
the RSSI Option.  Any incoming ITCS message is bitwise anded 
with the mask.  If the result matches the Destination ITCS Address, 
the message is sent to the IP Address and Port given.  If the RSSI 
Option is “yes”, the over the air Received Signal Strength 
Indication is prepended to the data message in the UDP 
transmission.  To delete an entry, edit and then zero out all fields 
as shown in the screenshot below. 

 

 

 
The following figure shows how RSSI Data (bold) is prepended to standard ITCS Data within the UDP 
packet. 
 

Non ITCS Header 

Data 

ITCS L2 Header 

Data 

Address 

ID 

Length 

RSSI Type 

RSSI Data 

Destination ITCS 
Address 

Source ITCS 
Address 

4 Bytes 

1 Byte 

1 Byte 

1 Byte 

1 Byte 

4 Bytes 

4 Bytes 

N Bytes 

Always 0 

0 For RSSI 

2 

0 

Signed Value 
from –120 to 
–30 dBm 

 

 

 

 

Содержание TD220

Страница 1: ...TD220_manual12 doc Page 1 of 38 1 10 2011 GE MDS TD220 Manual Version 12 ...

Страница 2: ...asks 9 4 1 Key the Transmitter for Test Purposes 9 4 2 Prepare the Network Interface for a Radio 9 4 3 Set Up a Base Unit 9 4 4 Set Up a Mobile Unit 10 4 5 Perform Test Polling 10 5 Menu Interface 16 5 1 Main Menu 17 5 2 Network Configuration Menus 18 5 3 Base System Configuration Menus 21 5 4 Mobile System Configuration Menu 23 5 5 Radio Configuration Menu 24 5 6 GPS Configuration Menu 25 5 7 Sec...

Страница 3: ...e This device is offered as a licensed transmitter per FCC Parts 80 90 and 95 It is approved for use under the following conditions Changes or modifications not expressly approved by the party responsible for compliance will void the user s authority to operate the equipment 1 4 FCC Part 15 Notice This equipment has been tested and found to comply with the limits for a Class A digital device pursu...

Страница 4: ... W 20 W 3 dBd 5 2 dBi 20 W 20 W 0 dBd 2 2 dBi 1 6 Industry Canada ICES 003 and RSS 119 This Class A digital apparatus complies with Canadian ICES 003 and with RSS 119 Cet appareil numérique de la classe A est conforme à la norme NMB 003 du Canada ...

Страница 5: ...d 1 in the table below base A actually has priority over the last three slots If A does not use them B can use them If B does not use them mobiles can Bases reserve these time slots with flags in the beacon This scheme maximizes the potential for utilizing all slots Second 0 Second 1 Second 2 0 A B C Beacon slots always used by a specific base 1 M M M Slots available for CW based mobile transmissi...

Страница 6: ...ase is configured to listen UDP Header added by Mobile Radio IP Address and Port Number to which the Mobile is configured to send BASE MOBILE Over the Air Payload Payload Payload UDP Header added by Base Radio IP Address and Port Number as triggered by address embedded in payload UDP Header stripped by Mobile Radio IP Address of Mobile Radio Port Number on which the Mobile is configured to listen ...

Страница 7: ...erved 7 GND Input Output 8 COM2_DCD Output 9 COM3_CTS Input Reserved 10 COM3_RTS Output Reserved 11 COM3_DTR Output Reserved 12 COM3_RXD Input Reserved 13 GND Input Output 14 ETH_TX_H Output 15 ETH_TX_L Output 16 ETH_RX_H Input 17 ETH_RX_L Input 18 EXT_KEY Output Reserved 19 EXT_DET Input Reserved 20 COM2_DTR Input 21 ALARM_OUT Output Reserved 22 GPS_PPS_L Input For TTL PPS leave this open 23 GPS_...

Страница 8: ...ctor Pin Signal Name Direction with respect to MDS Equipment Description 1 L PWR Input 13 8 VDC input 7 Amps maximum 2 R GROUND Input Power return The pin orientation as looking into the connector is shown below Consult the following table to determine how much current is required for receiving or transmitting vs input voltage and RF power output Voltage V RF Power Out W Duty Cycle Current Require...

Страница 9: ...he radio on its COM1 console using a serial terminal emulator program 2 Go to the IP Configuration menu 3 Set the IP address of the radio plus the Netmask and Gateway 4 Go to the Maintenance Tools Menu and select the Ping Utility 5 Enter the IP address of a known node on the network 6 Execute the Ping and observe the results If the network interface is working properly Ping responses should be rec...

Страница 10: ...8 Ensure at least one base is present in the neighborhood of this radio so that it can detect beacons and synchronize timing 9 Begin sending UDP data from a polling program 10 Verify the TX LED illuminates and the radio begins transmitting over the air 4 5 Perform Test Polling 1 Set up the Base and Mobile as above 2 Connect as shown in the following diagram Note this is for bench testing only i e ...

Страница 11: ...38 1 10 2011 Test Polling Setup TD220 Base Set for 2 Watts TD220 Mobile Set for 2 Watts 30 dB 50 W 40 dB 10 W 30 dB 50 W Test PC Ethernet Hub 13 8 VDC 5 Amps 13 8 VDC 5 Amps Radio COM1 to PC Serial Port Radio COM1 to PC Serial Port ...

Страница 12: ...345678 FFFFFFFF 10 4 147 170 53000 NO B New Entry Select a letter to configure an item ESC for the prev menu Radio Configuration Menu A Base Transmit Frequency 221 900000 MHz B Mobile Transmit Frequency 221 900000 MHz C Transmit Slots 4 D Output Power 2 W E Force Tx Key Normal F TX Key Timeout 5 sec Select a letter to configure an item ESC for the prev menu 4 Reboot the Base 5 Obtain the Parametri...

Страница 13: ...ta configuration file parm_poller parms as shown below set parms 0 Dest 32 78563412 RW 1 Src 32 F0DEBC9A RW 2 Flags 8 00 RW 3 Length l1 00 RO 4 Seq No sn 00 RW 5 Data nt Hello World RW 7 Set up the base parm_poller as shown below where 10 4 144 100 is replaced with the IP address of your base ...

Страница 14: ... D OBC Info Packet disabled E ITCS UDP Receive Port 52000 F Timing Signal Timeout 60 Seconds Select a letter to configure an item ESC for the prev menu Radio Configuration Menu A Base Transmit Frequency 221 900000 MHz B Mobile Transmit Frequency 221 900000 MHz C Transmit Slots 3 D Output Power 2 W E Force Tx Key Normal F TX Key Timeout 5 sec Select a letter to configure an item ESC for the prev me...

Страница 15: ...hown below 12 Click Start Polling on both units and observe the message counts and sequence number increment 13 If additional visibility is desired obtain itcslog exe from GE MDS This utility captures messages from the logging output of the TD220 radios and displays statistics about them The IP Port Number is the port number configured on the radio for ITCS logging ...

Страница 16: ... radio Set this from the Device Names menu IP Address R IP Address for this radio Set this from the IP Networking menu Device Status R Initializing during startup and or internal RF deck reprogramming Operational when functioning Alarmed when error condition s exist Location R User configured location for this radio Set this from the Device Names menu Serial Number R The manufacturer s serial numb...

Страница 17: ...ase Mobile and other application specific operating parameters including the Base s ITCS translation table D Radio Configuration Set the radio s Frequencies Base transmit slot allocation 3 4 RF Power Output and access the Force TX Key function E GPS Configuration Set up the GPS NMEA and PPS connections F Security Configuration Set up how the radio may be accessed G Statistics Logging Obtain histor...

Страница 18: ...s Parameter R W Description A IP Configuration Access the IP Configuration menu to set the IP Address Netmask and Gateway IP Address B SNMP Agent Configuration Access the SNMP Agent Configuration Menu Ethernet Address R Displays the hardware MAC address for the Ethernet port ...

Страница 19: ...s subnet to nodes on other networks Note The IP Address and IP Gateway must be on the same subnet or a Network Interface error will occur Parameter R W Description A SNMP Read Community R W SNMP community string used for SNMPv1 SNMPv2c read access This string can be up to 30 alphanumeric characters B SNMP Write Community R W SNMP community string used for SNMPv1 SNMPv2c write access This string ca...

Страница 20: ...only respond to that version of SNMP traffic If the mode is v1 v2 or v1 v2 v3 then the Agent will respond to the specified version of SNMP traffic The default mode is v1 v2 v3 trilingual G Trap Version R W This specifies what version of SNMP will be used to encode the outgoing traps The different versions of SNMP will include different information in the traps The choices are v1_traps v2_trap and ...

Страница 21: ... the epoch assigned to that base and transmits downstream Base types repeat along lines of track A B C A B C Window Size R W When a mobile is ready to transmit it chooses at random from 2 Window Size slots to minimize collisions with other units D ITCS UDP Receive Port R W Wayside devices send UDP messages to this IP port on the radio s network interface for transmission over the air E Timing Sign...

Страница 22: ...ress and Port given If the RSSI Option is yes the over the air Received Signal Strength Indication is prepended to the data message in the UDP transmission To delete an entry edit and then zero out all fields as shown in the screenshot below The following figure shows how RSSI Data bold is prepended to standard ITCS Data within the UDP packet Non ITCS Header Data ITCS L2 Header Data Address ID Len...

Страница 23: ...W The IP Address of the OBC to receive messages from this radio C Locomotive Server Port R W The Port number used by the OBC to receive messages D OBC Info Packet R W Enable Disable the 2 byte RSSI Slot UDP message being sent to the Locomotive Server before the payload message E ITCS UDP Receive Port R W Wayside devices send UDP messages to this IP port on the radio s network interface for transmi...

Страница 24: ... that are reserved for base transmissions if needed NOTE This parameter must match on all bases and mobiles in the network D Output Power R W The RF Output Power from 2 to 25 Watts with which the radio transmits E Max Message Age R W The maximum age a transmit message can remain in the queue before it is dropped This time is measured from when the message is received via UDP until it is about to b...

Страница 25: ...nu Parameter R W Description A GPS NMEA Baud Rate R W This is the Baud Rate used on the radio port to receive NMEA Sentences B GPS PPS Polarity R W Indicates if the TTL PPS Pulse is Active High Positive Pulse or Active Low Negative Pulse 5 7 Security Configuration Menu ...

Страница 26: ... v1_only v2_only or v3_only then the Agent will only respond to that version of SNMP traffic If the mode is v1 v2 or v1 v2 v3 then the Agent will respond to the specified version of SNMP traffic The default mode is v1 v2 v3 trilingual 5 8 Statistics Logging Menus Parameter R W Description A ITCS Logging Access the ITCS Logging configuration menu B Wireless Packet Statistics Access the Wireless Pac...

Страница 27: ...or logging ITCS traffic Parameter R W Description Packets Received R The number of packets received over the air Packet Sent R The number of packets transmitted over the air Bytes Received R The number of Bytes for all packets received over the air Bytes Sent R The number of Bytes for all packets transmitted over the air Receive Errors R The number of messages received over the air that did not de...

Страница 28: ...imeslot the last message from a Mobile was received in A Clear Statistics R W Reset all results to zero Parameter R W Description Packets Received R The number of packets received over Ethernet Packet Sent R The number of packets transmitted over Ethernet Bytes Received R The number of Bytes for all packets received over Ethernet Bytes Sent R The number of Bytes for all packets transmitted over Et...

Страница 29: ...Address given by Event Log Host Address E Event Log Host Address R W The IP Address of the server that will accept TFTP transfer of the Event Log F Event Log Filename R W The file name on the server for the event log G TFTP Timeout R W If the radio cannot reach the TFTP server it waits this long before giving up at each step in the process H Syslog Server Address R W As events and alarms occur in ...

Страница 30: ... The number of elapsed hours minutes and seconds since the radio last rebooted Date R The Date from the GPS receiver Time R The Time from the GPS receiver A Date Format R W Change how the date and time are displayed B Console Baud Rate R W The serial port rate the console will communicate at C Device Names Access the Device Names menu where you can modify the user programmable name strings for thi...

Страница 31: ...he radio is installed D Description R W Free form field where you can enter details describing this radio 5 10 Maintenance Tools Menus Parameter R W Description A Reprogramming Access the Reprogramming menu where you can upgrade the radio s firmware B Configuration Scripts Access the Configuration Scripts menu where you can save and restore the radio s configuration to and from a text file via a T...

Страница 32: ...the TFTP server it waits this long before giving up at each step in the process D Retrieve File Command the radio to request the firmware image from the TFTP server E Image Verify Command the radio to perform a check of the firmware image in memory F Image Copy Command the radio to copy the active firmware image to the inactive position G Reboot Device Command the radio to restart using one of the...

Страница 33: ...o get the file from the TFTP server E Send File Command the radio to send the file to the TFTP server Configuration scripts are used to store and duplicate radio settings To use this facility send the configuration file from a radio to the TFTP server It can then be archived or edited and retrieved from the same or different radios For more information contact GE MDS Parameter R W Description A Ad...

Страница 34: ...ing a PPS Alarm GPS Signal Inverted Although a PPS has been detected it is in the ACTIVE state for more than a half of a second Try switching the PPS Polarity setting on the GPS Configuration Menu Alarm NMEA Data Invalid The radio is not receiving valid NMEA GGA Sentences Verify that the NMEA Baud rate is set correctly and verify that the GPS is outputting ASCII GGA sentences and no others if poss...

Страница 35: ... are diagnostic messages used to track and analyze the message flow between radios The radios generate two log messages for each payload message it processes The first message is the Header Message and it contains the information about the processing of the payload message This information is displayed on the ITCSLOG Window below The second log message contains a copy of the Payload data ...

Страница 36: ...ton Causes the program to hide the capture console window The program is still processing messages while the console is hidden IP Address and Port R The IP Address and output port of the radio sending this log message Time R The Date and Time when the PC received the message This is based on the PC s time RSSI R The RSSI value of the message when received by the radio This field is only populated ...

Страница 37: ...31 34 31 30 31 35 33 30 39 34 30 31 32 39 39 39 33 32 35 34 32 39 36 31 30 32 33 31 36 31 31 31 30 39 38 38 31 33 30 39 37 37 37 33 32 37 39 39 31 39 39 31 38 34 31 31 33 35 35 32 31 31 31 30 34 31 30 37 30 34 35 31 30 39 35 The following lines show the log messages for a payload message that was dropped by the transmitting Mobile radio due to age 2010 06 11 10 55 30 Received 12 bytes from 10 4 19...

Страница 38: ...ed information on connecting a GPS receiver to the base radio 9 2 1 2010 T Mayo Corrected parm poller screen shots and description to indicate the correct ITCS address byte order in the PC application vs in the radio s menu 10 6 22 2010 K Tuttle Updated to reflect o RX Timeslots on Wireless Status Screen o TX Timeslot on Wireless Status Screen o OBC Info Packet En Disable on Mobile System Configur...

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