Topcon FH915 Command Reference Manual
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Topcon FH915 Command Reference Manual

Topcon FH915 Command Reference Manual

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Commands Reference
Manual for FH915/FH2400
radio modems
Part Number xxxx
©Copyright Topcon Positioning Systems December, 2003
All contents in this manual are copyrighted by Topcon. All
rights reserved. The information contained herein may not be
used, accessed, copied, stored, displayed, sold, modified,
published, or distributed, or otherwise reproduced without
express written consent from Topcon.

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  • Page 1 Part Number xxxx ©Copyright Topcon Positioning Systems December, 2003 All contents in this manual are copyrighted by Topcon. All rights reserved. The information contained herein may not be used, accessed, copied, stored, displayed, sold, modified, published, or distributed, or otherwise reproduced without...

  • Page 3: This Manual

    BOUT ANUAL HAPTER Welcome to the FH915/2400 Commands Reference Manual! This manual provides a complete list of the commands applied to the Frequency-Hopping Spread Spectrum radio modem family with 915 MHz and 2400 MHz frequency bands. It describes the syntax for each command and functions they perform.

  • Page 4: Screen Captures

    Supplemental Manuals Once you have a TPS receiver with embedded FH915 or FH2400 radio modem, you will need to supplement this manual with the manual that is written specially for the receiver you have purchased.

  • Page 5: In This Chapter

    H A P T E R RELIMINARY ONSIDERATIONS HAPTER Before you begin configuring your radio modem with the commands, you should become aware of the steps required to gain access to the radio modem. In This Chapter This chapter includes the following topics: Enabling Daisy Chain ..............
  • Page 6 Enabling Daisy Chain To completely understand why one needs to activate Daisy Chain, some background information is needed. The radio modem embedded into your receiver and a device (PC, handheld, etc.) through which you are going to configure the modem are not directly connected but are both connected to your receiver via different serial ports.
  • Page 7 Before activating Daisy Chain please refer to the next topic to learn how to bring the ports back to command mode Currently there is a limitation to the daisy chaining support: It is strongly recommended that you do not use PC-CDU’s terminal (i.e., the Manual Mode window) for sending the commands, documented above, to the receiver.You should use a communication...
  • Page 8 Step 3. The Connect To window will appear. From the Connect using drop down list, select (where is the computer COM# serial port your receiver is connected to) and then click OK (Figure 1-2). Figure 1-2. Connect To window Step 4. The COM# Properties window appears. Verify the settings on the Port Settings tab.
  • Page 9 Click OK (Figure 1-3). Figure 1-3. COM# Properties window Step 5. The Main HyperTerminal window brings up. Click File Properties to go to the Properties window, or alternatively click on the icon. Then select the Settings tab and finally click the ASCII Setup button (see Figure 1-4).
  • Page 10 Step 6. On the ASCII Setup window, select the Echo typed characters locally and Wrap lines that exceed terminal width check boxes and then click OK (see Figure 1-5). Figure 1-5. Select necessary settings and click OK. Step 7. Click OK on the Properties window to return to the Main HyperTerminal window.
  • Page 11 The commands will output to the receiver (Figure 1-7). Figure 1-7. Daisy Chain activated Once the output is complete, you can configure the radio modem using the commands described in Chapter II on page 9. Disabling Daisy Chain After you have made the necessary changes in the radio modem, you should return the receiver’s ports which are currently in Daisy Chain mode to Command mode.
  • Page 12 that contains the commands disabling Daisy Chain. Highlight the appropriate file and click Open (Figure 1-8). Figure 1-8. Send Text File - Disable Daisy Chain The commands will start outputting to the receiver. Once the output is complete, the receiver’s ports will return to Command mode (Figure 1-9).
  • Page 13 H A P T E R SING ADIO ODEM OMMANDS HAPTER This chapter lists all the commands used to configure your radio modem and also describes how to employ them. The commands are arranged alphabetically. In This Chapter This chapter contains the following topic: Commands Reference ..............

  • Page 14: Commands Reference

    Commands Reference This chapter goes into the details of the format of the commands used by the operator to change/query a variety of modem settings. Please bear in mind the following rules when sending the commands to your radio modem: Press <Enter>...
  • Page 15 ATO/ato This command is used to revert the modem to the operating mode. This command is not case sensitive. When the modem is in the operating mode, the only command it recognizes is +++. Structure Example ato or ATO Reply OK - positive acknowledgment, Error in Command - negative acknowledgment modem/fh/base...
  • Page 16 modem/fh/brport This command is used to specify the baud rate of the modem’s serial port. Structure set,modem/fh/brport,N, where N is a number between 1 and 4. Each number corresponds to a particular baud rate: 1 stands for 57600 baud, 2 stands for 38400, 3 stands for 19200, 4 stands for 9600 print,modem/fh/brport Example...
  • Page 17 modem/fh/rcts This command enables/disables RTS/CTS hardware flow control. Structure set,modem/fh/rcts,N, where N is 0 or 1. Zero stands for none (i.e., hardware handshaking is disabled), unity stands for RTS/CTS (i.e., hardware handshaking is enabled). print,modem/fh/rcts Example set,modem/fh/rcts,1 - activates RTS/CTS hardware handshaking print,modem/fh/rcts Reply to set...
  • Page 18 modem/fh/rlink This commands allows the user to specify the rate at which data is transmitted over the RF link. Structure set,modem/fh/rlink,N, where N is a number between 0 and 4. 0 stands for 9600 baud, 1 stands for 12000 baud, 2 stands for 17000 baud, 3 stands for 24000, 4 stands for 51000.
  • Page 19 modem, and means that the modem broadcasts data to Transmitter the rover modem(s). Structure set,modem/fh/type,N, where N is a number between 0 and 2. 0 stands for OFF, 1 stands for Receiver, 2 stands for Transmitter. print,modem/fh/type Example set,modem/fh/type,1 print,modem/fh/type Reply to set type=M - positive acknowledgment, %%OK...
  • Page 20 T o p c o n F H 9 1 5 / 2 4 0 0 C o m m a n d s R e f e r e n c e M a n u a l...

This manual is also suitable for:

Fh2400

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