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Hanyang Navicom RFCT-10 Manual

Transmitter for wireless clock system
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RFCT-10 manual
Transmitter for wireless clock system

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Summary of Contents for Hanyang Navicom RFCT-10

  • Page 1 RFCT-10 manual Transmitter for wireless clock system...

  • Page 2: Table Of Contents

    Contents Description........................1 Initial Setup ........................4 Preparation for setup..................4 Setup ........................4 Operation ........................6 Operation details....................6 GPS Operation..................... 8 SNTP Operation ....................9 Monitoring using PC ....................10 Preparation......................10 Command......................11 LCD Menu using key pad.................... 17 Status ........................

  • Page 3: Fcc Compliance Statement

    FCC CONCERNS FCC Compliance Statement This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.

  • Page 4: Description

    1 Description Figure 1.1 The RFCT-10 receives a time from a GPS (global positioning system) receiver or from a NTP (network time protocol) server via ethernet port. Then the RFCT-10(time transmitter) broadcasts the time to remote wireless clocks (time receiver of our company). As a result, all the wireless clocks are synchronized to the exact time.
  • Page 5 GPS Antenna port Key pad( 4x4 array) Output port RF Antenna port Input and output port RJ-45 RS232 PC Interface port Ethernet port Display output LED( REF, Alarm, Fault, PWR) Accessory AC-DC Adaptor ( input:100-240VAC, output:9VDC/1.5A) GPS Antenna(GPS18LVC) Figure 1.3 shows the input, output and in-output connection. RFCT(Transmitter) RS232 GPS port...
  • Page 6 Figure 1.4 shows the block diagram of RFCT-10 GPS Antenna NTP Server internet for connecting network time server(NTP) Server Ethernet Receiver Port Port ethernet RS232 Processor block RS232 72MHz Narrow Band FM Power Monitor (uController+ Modulator Amplifier Data 72MHz port...

  • Page 7: Initial Setup

    Cable Connector Sealant 278-1645 or high quality silicone sealant to weatherproof the connection. Any cable extensions must be protected from outside elements. 2.2.2 Assembly of the RFCT-10 1. Carefully screw the transmitter antenna onto the transmitter. The antenna must be snug against the case but hand-tighten only.
  • Page 8 7. RFCT-10 setup is complete...

  • Page 9: Operation

    3 Operation When Power is first applied to the transmitter the time is set to 00:00:00. Then the transmitter reads configuration parameters, user adjustable via key pad, from the internal flash memory. The transmitter then sends information to the GPS unit and waits for time information from the GPS unit.
  • Page 10 3.1.3 Local time setup By default, system time is set to UTC, and the offset from UTC is set to 0. To get the correct local time, appropriate local time offset needs to be set. Move, first, to the screen “2.Time.” 2.Time, 2006,Oct-26,02:39:12, Thu Local Offset: 0hr.

  • Page 11: Gps Operation

    3.1.5 RF Channel Setup Setup the desired RF channel out of 16 channels. Move, first, to the “4.Radio Frequency” screen. Then push the “Enter” button. 4.Radio Frequency, ON Channel:#0, Attenuator:#0 ① Push “Enter” button. 4-1.Channel <Backspace:# Range:0->15> [Channel: 0] ② Type in desired channel followed by pushing “Enter” button. 3.1.6 RF Attenuator Setup Move, first, to the “4.Radio Frequency”...

  • Page 12: Sntp Operation

    3.3 SNTP Operation Not available for the time being.

  • Page 13: Monitoring Using Pc

    4 Monitoring using PC 4.1 Preparation 4.1.1 Serial Cable RFCT-10 4.1.2 Connection ① Connect the serial cable from the COM port of your computer ② Connect the other end of cable to the “MONITOR PORT” on the rear of the transmitter ③...

  • Page 14: Command

    4.2 Command HELP - Displays command list and description. Example) Oct-26 23:56:37,1> help - Displays process status. • Oct-26 2:47:9: Local time • Tasks: Current number of tasks running • CPU Usage • Running Time: Running time since the last power-on. Example) Oct-26 23:56:37,1>...
  • Page 15 DATE - Displays UTC and Local time. • UTC (GMT): Universal Time Coordinated • Local: The time the differential factors such as local time offset and daylight saving are applied to UTC. Example) Oct-26 23:56:37,1> date - Displays NMEA input from GPS Receiver. •...
  • Page 16 - Displays GPS Status • Antenna: GPS Receiver information ▪ Model: Model name ▪ Temp: Temperature ▪ Status: Self-test result (P=Pass, F=Fail, R=Retained, L=Lost, N=Null) ROM checksum test(P,F) Receiver failure discrete(P,F) Stored data lost(R,L) Real time clock lost(R,L) Oscillator drift discrete(P,F) Data collection discrete(C, N) GPS sensor configuration data(R,L) ▪...
  • Page 17 ▪ Leap Second ▪ Daylight saving: +/- Daylight saving offset ▪ DOP: Dilution of Precision(Time) • Satellite: Satellite tracking information ▪ Fix: Current positioning mode ▪ Visible: Number of satellites in view ▪ PRN: Satellite ID number ▪ E/L: Elevation ▪...
  • Page 18 - Displays 1PPS input Example) Oct-26 23:56:37,1> pps … Oct-26 23:56:37,1> ^C - Setup and displays IP addresses - Current Network status...
  • Page 19 Example) Oct-26 23:56:37,1> net - Reboot system Example) Oct-26 23:56:37,1> rst System Soft Reset…… Oct-26 23:56:37,1> rst –c System Config Reset…… - Abort Current Command ^Z, ^X - Command History...

  • Page 20: Lcd Menu Using Key Pad

    5 LCD Menu using key pad 5.1 Status - Displays current status of RFCT-10 1.Status, GPS:3D-Fix, Channel:#0 2006,Oct-26,02:39:12,Thu, DLS:ON 5.2 Time - Displays time related settings of RFCT-10 2.Time, 2006,Oct-26,02:39:12, Thu Local Offset: -6hr. -45min. DLS:ON...

  • Page 21: Reference

    - Displays or sets date of daylight saving end 2-4.Daylight Saving <Dot:* Backspace:#> [End(m.d.h): 10.29.2] 5.3 Reference - Displays reference related status of RFCT-10 3.Reference, GPS, 3D-Fix Sat: 6/12, DOP:2, LS:14s 5.3.1 Local IP - Displays or sets local IP address...

  • Page 22: Radio Frequency

    - Displays or sets SNTP server IP address 3-4.SNTP Servers <Dot:* Backspace:#> [time.nist.gov] 5.3.5 Reference Source - Displays or sets reference source 3-5.Reference Source <GPS:1 SNTP:2> [GPS] 5.4 Radio Frequency - Displays RF related settings of RFCT-10 4.Radio Frequency, ON Channel:#0, Attenuator:#0...

  • Page 23: Init Lcd

    5.4.1 Channel - Displays or sets RF channel 4-1.Channel <Backspace:# Range:0->15> [Channel: 0] 5.4.2 Attenuator - Displays or sets attenuator value 4-2.Attenuator <Backspace:# Range:0->31> [Attenuator: 0] 5.5 Init LCD - Normalize LCD screen...
  • Page 24 6 Specification Description Item 1 Watt maximum Output power 72.1MHz~72.4MHz Frequency 16 selectable channel Number of channel 20kHz Channel bandwidth 4x4 array Key pad Display LED: 4, LCD:1 17"L x 1 7/8"W x 12"D Dimensions Monopole 46" Transmitting antenna Power supply 9VDC/1.5A max.
  • Page 25 IMPORTANT NOTICE Copyright © 2006, HanyangNavicom Co., Ltd. All Rights Reserved. Information in this document is provided in connection with HanyangNavicom Co., Inc. (“HanyangNavicom”) products. These materials are provided by HanyangNavicom as a service to its customers and may be used for informational purposes only. HanyangNavicom assumes no responsibility for errors or omissions in these materials.

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