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ITC 220 Base Station, Locomotive & Wayside Radio Transceiver Field Service Guide PN 0046300120 Rev. A

 | Page 12 

Table 4 Wayside Transceiver bottom panel interface connections 

Interface 

Connector Type 

Label 

TX RX Antenna 

Type N female 

ANT 

DC Power Input* 

Wago p/n 231-833/001-000 

13.6 VDC 

GPS Antenna 

TNC female 

GPS 

Data Network Ethernet 

RJ-45 

LAN 

Maintenance Ethernet 

RJ-45 

MAINT 

CIM socket 

SD memory card receptacle 

CIM 

Ground connection* 

Threaded post (stud) for ring lug connection 

 

*The Wayside Transceiver requires an external isolated power supply to provide ground isolation between the unit and 

site electronics. Failure to use an isolated power supply (for example, connecting a unit directly to site batteries) 
would induce a ground fault at the site since the unit is grounded to the bungalow both through the ground lug as 
well as the GPS and 220 GHz RF narrowband antennas. 

 

Содержание ITC 220

Страница 1: ...ITC 220 Base Station Locomotive Wayside RADIO TRANSCEIVER FOR RAILROAD PTC Field Service Guide ITC 220 Transceivers PN 0046300120 Rev A Revised August 2012...

Страница 2: ...REVISION HISTORY REV DATE REVISION DETAILS A August 2012 Initial release Part number 0046300120...

Страница 3: ...tion Locomotive and Wayside Transceiver units must be professionally installed and must ensure a minimum separation distance between the antenna or radiating structure and any person Refer to Table 1...

Страница 4: ...Base Channel Restrictions 15 4 3 Transceiver Radiated Power Limits 15 5 Transceiver Service 18 5 1 Recommended Equipment 18 5 2 Routine Maintenance 19 5 3 Visual Inspection 21 5 3 1 Confirm SD Memory...

Страница 5: ...ge Status 51 5 10 2 Updating Software Images 52 5 10 3 Rolling Back an Image 56 5 10 4 Maintaining Multiple Software Images in the Transceiver 58 6 Troubleshooting 60 6 1 Guidelines for Troubleshootin...

Страница 6: ...s 80 E 2 2 Determine GPS Coordinates 81 APPENDIX F Sample POST Results Typical for Properly Functioning Transceivers 84 APPENDIX G Program Signal Generator for DQPSK 87 G 1 Program Agilent E4438C to T...

Страница 7: ...r documents related to this ITC 220 Radio Transceiver Field Service Guide include ITC 220 Base Station Transceiver Installation Guide CalAmp PN 133991 ITC 220 Locomotive Transceiver Installation Guide...

Страница 8: ...other purposes Some wayside radios may have access to the Back Office through a broadband connection The Base Station Transceiver Locomotive Transceiver and Wayside Transceiver form the transportation...

Страница 9: ...vented shelf in a 19 EIA rack Locomotive 6 2 in 5 MCU width 12 8 in depth 9 2 in height Occupies 5 MCU when installed in an LSI rack Wayside 15 5 in width 9 5 in height 2 0 in depth Lugged back plate...

Страница 10: ...Adjacent Channel Selectivity 70 dB at 25 kHz offset Spurious Response Rejection 70 dB Intermodulation Response Rejection 65 dB High Input Level 7 dBm Locomotive only BER 10 4 Blocking 1 MHz offset 80...

Страница 11: ...mounted in either of these configurations are shown in Figure 2 below Dimensions shown are in inches Figure 2 Base Station Transceiver overall dimensions in front mount and mid mount configurations in...

Страница 12: ...able 1 Base Station Transceiver front panel interface connections Interface Connector Type Label Maintenance Ethernet RJ 45 MAINT CIM socket SD memory card receptacle CIM 1 3 1 2 2 BASE STATION TRANSC...

Страница 13: ...ed posts studs for ring lug connection 24 VDC or 48 VDC Data Network Ethernet RJ 45 LAN Ground connection Threaded post stud for ring lug connection 1 3 2 LOCOMOTIVE TRANSCEIVER The ITC 220 Locomotive...

Страница 14: ...N female TX RX1 Diversity RX Antenna Type N female RX2 DC Power Input MS 3102 A18 4P or equivalent 74 VDC PWR IN Data Network Ethernet M12 8 pin female A coded LAN Maintenance Ethernet M12 8 pin femal...

Страница 15: ...are in inches The Wayside Transceiver may be mounted vertically or horizontally providing that the unit is mounted such that the cooling fins CIM card door and cable connections are unobstructed When...

Страница 16: ...side Transceiver mounting lug dimensions Dimensions shown are in inches Spacing of mounting lugs and slotted holes provide versatility for mounting the Wayside Transceiver Figure 9 which follows shows...

Страница 17: ...ANSCEIVER CONNECTIONS All physical connections and interfaces are located at the bottom as viewed with the unit mounted vertically of the Wayside Transceiver except the CIM card slot the door for whic...

Страница 18: ...LAN Maintenance Ethernet RJ 45 MAINT CIM socket SD memory card receptacle CIM Ground connection Threaded post stud for ring lug connection The Wayside Transceiver requires an external isolated power...

Страница 19: ...ion should commence Locomotive and Wayside Transceivers use temperature compensated crystal oscillators TCXO which do not require warm up time before the transmitter can be used 3 2 LIMITING RF EXPOSU...

Страница 20: ...Lateral Distance tables in the RF Energy Exposure Guide Install antennas in accordance with the manufacturer s instructions Disable the transmitter when installing or servicing its antenna or transmis...

Страница 21: ...ger channel widths with the exceptions of FCC channels 161 170 and 181 185 Therefore the radio may not transmit on those channels or their 221 MHz counterparts 361 370 and 381 385 This corresponds to...

Страница 22: ...signed for locomotives at 220 MHz generally use a rugged cast aluminum body and are top loaded vertically polarized requiring a metal cab roof for a ground plane They are necessarily electrically shor...

Страница 23: ...any external inline power sensors combiners filters or lightning arresters If the net value is greater than or equal to 44 85 dBm then the maximum power of the Wayside transmitter can be used If the v...

Страница 24: ...tput display capable of 5 A at 48 VDC 74 VDC power supply For testing Locomotive Transceiver constant voltage DC power supply with precision current output display capable of 4A at 74 VDC 13 6 VDC pow...

Страница 25: ...Transceivers require the following routine maintenance The user or person responsible for the equipment on site should check transceivers periodically to verify that each transceiver and cables are ma...

Страница 26: ...PN 0046300120 Rev A Page 20 Figure 11 Base Station Transceiver areas must not be obstructed For Locomotive and Wayside Transceivers verify clearances specified in installation instructions are maintai...

Страница 27: ...OST which it does each time it boots up Table 6 Front panel LEDs includes a description of the function of each LED as well as the color of each LED when the transceiver is functioning properly Note I...

Страница 28: ...damaged however it will not be able to provide any indication when an error condition may exist For this reason more advanced information about verifying that the LEDs are operational is provided lat...

Страница 29: ...n icon for each Ethernet port on the computer Click the Local Area Connection icon that corresponds to the first Ethernet port 2 The Local Area Network Connection Status window opens Click Properties...

Страница 30: ...d Service Guide PN 0046300120 Rev A Page 24 Figure 14 Internet Protocol TCP IP Properties window for Ethernet 1 connection 4 Click Use the following IP address 5 In the IP address box enter 192 168 25...

Страница 31: ...address 192 168 255 201 5 4 2 TO CONFIGURE THE COMPUTER ETHERNET 2 INTERFACE FOR COMMUNICATION WITH THE TRANSCEIVER LAN PORT 1 On the computer click Start Control Panel Network Connections and then Lo...

Страница 32: ...N 0046300120 Rev A Page 26 Figure 16 Local Area Connection Properties window for Ethernet 2 connection 3 On the General tab click on Internet Protocol TCP IP to select it you may have to scroll down t...

Страница 33: ...ld Service Guide PN 0046300120 Rev A Page 27 Figure 17 Internet Protocol TCP IP Properties window for Ethernet 2 connection 4 Click Use the following IP address 5 In the IP address box enter 10 255 25...

Страница 34: ...is configured for IP address 10 255 255 201 5 4 3 CREATING AN XTERMW CONNECTION PROFILE A connection profile is a group of configuration settings created in XtermW and saved to use again for convenien...

Страница 35: ...5 201 8 Set the Device Type and the rest of the settings in the window as shown in the figure 9 Click OK to save the connection profile and connect to the specified Ethernet port To use a previously s...

Страница 36: ...s after power is applied This delay allows the oven controlled crystal oscillator to warm up enough to ensure the accuracy of the transmitter frequency The computer must be configured and connected to...

Страница 37: ...and to illuminate the associated LED Table 7 Front Panel LEDs and IOD values arranged by IOD value LED Label IOD Value LED Label IOD Value TX Transmit link 0x0020 STBY Standby 0x0400 SWR VSWR 0x0040 F...

Страница 38: ...already open 3 Turn on the first fan located on heat sink fins at the right side of the transceiver a Click Send click Command and then type FANS ON 0 b Click OK 4 Verify that the first fan turns on...

Страница 39: ...n 5 7 VERIFY SETTINGS THAT ALLOW THE TRANSCEIVER TO TRANSMIT The transceiver will not transmit if calibration is not locked or if the transceiver is uncommissioned If the transceiver boots up normally...

Страница 40: ...d to the transceiver MAINT port use the COMMISSION command to determine whether the radio is commissioned and if not to commission it To determine the Commission status of the transceiver and if neces...

Страница 41: ...Transceiver location are known use the instructions and example contained in Surveyed position obtained offline to enter the GPS coordinates and configure the transceiver to use GPS Manual mode If th...

Страница 42: ...d Table 12 Wayside Transceiver input power parameters Parameter Value Nominal DC Power Input Voltage 13 6 VDC Operational range 10 9 15 5 VDC 14 20 Damage limit 17 VDC Current draw while transmitting...

Страница 43: ...or Locomotive Transceivers 60 dB of attenuation rated at 50 W for Wayside Transceivers System setup for measuring and adjusting RF power output Figures that follow illustrate the setup required to me...

Страница 44: ...e Wayside Radio Transceiver Field Service Guide PN 0046300120 Rev A Page 38 Figure 22 Locomotive transmitter power output measurement and adjustment setup Figure 23 Wayside transmitter power output me...

Страница 45: ...VDC model is 75 watts PEP The expected peak RF power for the Locomotive Transceiver is 50 watts PEP The expected peak RF power for the Wayside Transceiver is 25 watts PEP Radio transmission characteri...

Страница 46: ...commands STOP SCHED DEL ALL DSP_MODE IDLE DSP_MODE TEST L1_TEST SET TXFREQ value L1_TEST SET TXMOD DQPSK_HALF L1_TXDUTY 1000 300 0 where value equals the desired frequency of operation in Hz Note The...

Страница 47: ...0 Base Station Locomotive Wayside Radio Transceiver Field Service Guide PN 0046300120 Rev A Page 41 Figure 24 Typical transmission spectrum Full DQPSK Figure 25 Typical transmission spectrum EVM Full...

Страница 48: ...ls the desired frequency of operation in Hz Note The ratio of 300 3500 specified for Wayside Transceivers denotes approximately a 9 transmit duty cycle The maximum transmit duty cycle for Wayside Tran...

Страница 49: ...tive to the current power level Notes You cannot adjust power above the factory calibrated setting 4DQPSK is a linear modulation technique To adjust RF output power for a Base Station or Locomotive Tr...

Страница 50: ...er you want to increase or decrease the power level 3 Once observation of radio performance is complete turn off transmit operations by typing L1_TEST STOP To adjust RF output power for a Wayside Tran...

Страница 51: ...les If the FACTORY DEFAULT INIT command is set in the CIM The CIM script must include TXPOWER MAX TXPOWER nnn nn where nnn nn is the power reduction factor pre determined by site survey technicians an...

Страница 52: ...ermW Commands for Base Station Transceiver STOP SCHED DEL ALL DSP_MODE IDLE DSP_MODE TEST L1_TEST SET RXPATH P L1_TEST SET RXENABLE 3 ON L1_TEST SET RXFREQ value 3 DSP_CMD SET BER RAW L1_TEST START RX...

Страница 53: ...port on the transceiver Next issue the applicable set of commands in XtermW Commands for Base Station Transceiver STOP SCHED DEL ALL DSP_MODE IDLE DSP_MODE TEST L1_TEST SET RXPATH D L1_TEST SET RXENA...

Страница 54: ...e the following commands in XtermW STOP SCHED DEL ALL DSP_MODE IDLE DSP_MODE TEST L1_TEST SET RXPATH P L1_TEST SET RXENABLE 3 ON L1_TEST SET RXFREQ value 3 DSP_CMD SET BER RAW L1_TEST START RX DSP_CMD...

Страница 55: ...es NOISE Sampled every second and averaged every five minutes RF noise levels RF Activity on the RF link RSSI Signal strength indicators RX Hex dump of data being received through the RF receivers TX...

Страница 56: ...available from the transceiver manufacturer in the form of a new software application image or briefly image This new functionality is provided t to the transceiver by updating the transceiver softwar...

Страница 57: ...ready SCHD Scheduled INV Invalidated FLTY Faulty Multiple software images can reside in the transceiver However the transceiver actively uses only one of them at a time called the active image The act...

Страница 58: ...ile is located on a computer drive accessible to the computer on which you run XtermW 2 Ensure that the destination file name is unique in the radio Apps table Prior to performing the software update...

Страница 59: ...iod and extension of at most three alphanumeric characters A few special characters are also allowed namely _ and Alphabetical characters are treated as case insensitive 9 To select this image immedia...

Страница 60: ...the Schedule check box Choose the desired date and time in the pop up window and then click OK When you select the Schedule check box XtermW automatically executes the APPS SCHED date time image file...

Страница 61: ...ve image after the reboot If the Select check box was cleared the downloaded software image will be listed with the status of NRDY If the Select check box was selected the downloaded software image wi...

Страница 62: ...ch the new active image Automatic rollback has occurred The previous image will display a FLTY status in the Apps report Else if no other RDY status images are found then a Update the failure counter...

Страница 63: ...04 09 2012 05 10 PM 3364220 C 01011503 A18 ACTV Success 2 26 RDY 0 2 04 09 2012 05 05 PM 3361028 D 01011401 A18 Success 1 25 RDY 0 0 04 09 2012 05 03 PM 3346860 C 01011203 A18 If required setup a CIM...

Страница 64: ...status of RDY NRDY and NIV are selectable Schedule SCHD Only images with status of RDY or NRDY are eligible for scheduling Unschedule NRDY Images with the status of SCHD may be unscheduled with the A...

Страница 65: ...ith the highest priority exceeds the threshold and there exists other RDY images the automatic rollback algorithm changes the status of the image to FLTY causing the next highest priority RDY image to...

Страница 66: ...and contains a valid CIM script file Make sure that there is an SD card installed and seated that contains a valid CIM script file Without an SD card present and without a valid CIM script the transce...

Страница 67: ...wer Parameters table in the Required Equipment section 6 Replace the power cable 7 Replace the transceiver When replacing a transceiver if the SD card contains a valid CIM script remove the SD memory...

Страница 68: ...any defects or breaks 3 Check the cable connector and radio connector for corrosion 4 Issue the diagnostic command STAT to verify the VSWR and power output of the last transmission 5 Check cable conti...

Страница 69: ...t Mode FALSE StartUp FALSE Transmitter State Available 5 Inspect the SD memory card to ensure it is seated properly in the CIM socket in the orientation shown and is not damaged 6 Make sure there is a...

Страница 70: ...ble connector and transceiver connector for corrosion 6 Replace the cable or connector 7 Check the antenna for any defects or breaks 8 Replace the transceiver When replacing a transceiver if the SD ca...

Страница 71: ...ide transceivers When the LED on the Base Station transceiver is off it means that the Base Station transceiver is not currently connected to a Locomotive or Wayside transceiver Locomotive or Wayside...

Страница 72: ...Tx 0 Rx 0 OtherLocal Tx 0 Rx 0 OtherLocal Ak 0 OtherComm Tx 0 Rx 0 OtherComm Ak 0 Illegal Rx 0 Messages Tx 2 Rx 2 8 Replace the transceiver When replacing a transceiver if the SD card contains a vali...

Страница 73: ...he base beacons are enabled On the Base radio use the BBEACON command and ensure that base beacons are configured for the common channel Check to make sure base beacons are transmitted and received On...

Страница 74: ...ndustries Alliance EIRP Equivalent Isotropically Radiated Power ERP Effective Radiated Power EVM Error Vector Magnitude FCC Federal Communications Commission U S FRA Federal Railroad Administration U...

Страница 75: ...e Digital memory card SMA connector SubMiniature version A connector SRSP Standard Radio System Plan Canada TCP IP Transmission Control Protocol Internet Protocol TCXO Temperature Compensated Crystal...

Страница 76: ...er two ports RX1 and RX2 each with 50 Ohm termination Two antenna configuration One antenna is connected to the primary receive port which is the TX RX port A second antenna is connected to the divers...

Страница 77: ...h is the TX RX1 port Terminate the other port RX2 with 50 Ohm termination Two antenna configuration One antenna is connected to the primary receive port TX RX1 A second antenna is connected to the div...

Страница 78: ...ITC 220 Base Station Locomotive Wayside Radio Transceiver Field Service Guide PN 0046300120 Rev A Page 72 APPENDIX C BLOCK DIAGRAMS C 1 BASE STATION TRANSCEIVER...

Страница 79: ...ITC 220 Base Station Locomotive Wayside Radio Transceiver Field Service Guide PN 0046300120 Rev A Page 73 C 2 LOCOMOTIVE TRANSCEIVER C 3 WAYSIDE TRANSCEIVER...

Страница 80: ...ITC 220 Base Station Locomotive Wayside Radio Transceiver Field Service Guide PN 0046300120 Rev A Page 74...

Страница 81: ...radio transceiver transmissions as radios will begin transmitting full rated power without any user intervention under certain conditions Important Transceivers do not have a power switch Applying po...

Страница 82: ...Transceiver requires an external isolated power supply to provide ground isolation between the unit and the site electronics Failure to use an isolated power supply for example connecting a unit direc...

Страница 83: ...each end It is recommended that the cable length not exceed 100 meters Receptacles for connecting into the MAINT and LAN ports of the transceivers are RJ 45 receptacles jacks LOCOMOTIVE TRANSCEIVER ET...

Страница 84: ...er Field Service Guide PN 0046300120 Rev A Page 78 Figure 35 M12 Ethernet cable connection Table 18 M12 connector pinout Pin Purpose Pin Purpose Pin Purpose Pin Purpose 1 Reserved 3 Reserved 5 Receive...

Страница 85: ...satellite is referred to as an MEO Medium Earth Orbit satellite They are not in geostationary orbit This is important because unlike GEO Geostationary Earth Orbit satellites which are located at an al...

Страница 86: ...uring the self survey and timing anomalies depending on the distance of the reflecting object Degradation condition 3 The GPS antenna will have no view of Satellites that are completely obstructed and...

Страница 87: ...de timing signals with a single GPS satellite in view However timing mode requires that the radio provides a position to the GPS There are two ways to provide a position to the GPS Use the command lin...

Страница 88: ...its own position for at least one minute until it detects an rms error of 1 meter When the survey is complete the GPS operational mode is automatically changed to timing mode and stored The survey is...

Страница 89: ...equested TIMING Actual TIMING Surveyed ECEF position x 230367629 y 365342370 z 467746792 Survey parameters fixed err 993928 req err 1000000 req time 60 Because it may take several minutes for the surv...

Страница 90: ...ress Line Test PASS HOST DDR Data Line Test PASS HOST SPI PASS HOST SDCARD Present PASS HOST SDCARD Fail Pin PASS HOST SDCARD Write Protect OFF HOST SDCARD Access PASS HOST I2C Controller PASS HOST I2...

Страница 91: ...cable for Wayside DSP TX NULL ADC PASS Not applicable for Wayside DSP DDS PASS FPGA MEMORY PASS FPGA Clocks PASS FPGA Tx PASS HOST 28 0v Supply PASS 28 915 Not applicable Wayside HOST 11 5v Supply PAS...

Страница 92: ...Temp PASS 32 200 Not applicable Wayside HOST PA Current PASS 0 000 Not applicable Wayside HOST Driver Current PASS 0 000 Not applicable Wayside boot loader version 0 22 1 SVN 17525 2011 07 29 this lin...

Страница 93: ...110 1011 0110 0011 0111 0110 0110 0000 0110 0111 0010 12 Insert a PN9 sequence at the end of the preamble sequence INSERT 13 Select INSERT PN9 Insert PN9 14 Choose Insert PN9 not Seed 1FF Insert PN9 1...

Страница 94: ...e user defined data file just created Data 32 Pick User File User File 33 Use cursor keys to select DQPSK and press Select File Select File 34 Set Custom to On Custom 35 Save the file Save 36 Select a...

Страница 95: ...fine a custom user file User File 10 Create a user file Create File 11 Define the preamble bits using the numeric keypad 1111 0011 0011 0111 1110 1110 1011 0110 0011 0111 0110 0110 0000 0110 0111 0010...

Страница 96: ...the numeric keypad to enter 0 35 then Enter 0 35 Enter 25 Return to an upper level by pressing Mode Setup to define additional parameters Mode Setup 26 Select Symbol Rate Symbol Rate 27 Using the nume...

Страница 97: ...menu More 3 Select GPS GPS 4 Select Real Time MSGPS Real Time MSGPS 5 Select Scenario Scenario 6 Using arrow keys highlight either Hawaii or SantaRosa Arrow keys 7 Select Scenario Select Scenario 8 S...

Страница 98: ...10110001 40 86 10000110 140 93 10010011 240 50 01010000 d3 11010011 ba 10111010 4c 01001100 9c 10011100 d1 11010001 88 10001000 df 11011111 4e 01001110 1a 00011010 60 c9 11001001 160 53 01010011 260...

Страница 99: ...booted up successfully executing the CIM script A computer with Ethernet interfaces configured to communicate with the transceiver is connected to the transceiver MAINT port The XtermW program is ins...

Страница 100: ...your password from the default or a password you have been using to a new password is a good way to improve security on the transceiver If you are not sure when to change your password check with your...

Страница 101: ...95 I 3 1 FORGET YOUR PASSWORD To recover from a forgotten password Ask an administrator who has permission to reset users passwords to the default password to reset your password to the default Change...

Страница 102: ...the transceiver is invalidated The transceiver is reconfigured at startup if a CIM is found and the configuration is invalid INICHECK allows a user to check the configuration manually at any time Syn...

Страница 103: ...er Rev 0 22 1 SVN 17525 2011 07 29 H W Base Board ITC Role Base The software revision is highlighted above and is 01 01 15 06 in this example STAT RF The STAT RF command displays the total number of p...

Страница 104: ...ed over the air by radio stat hrx 19 15 19 793 HRX STATISTICS TX RX Bytes 24 78 Messages 2 2 Service Msgs 2 1 Data Messages 0 1 Short Broadcast 0 0 Long Broadcast 0 0 Unicast 0 0 SH Code 0 0 0 SH Code...

Страница 105: ...vers cost effective high quality solutions to a broad array of customers and end markets CalAmp is the leading supplier of Direct Broadcast Satellite DBS outdoor customer premise equipment to the U S...

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