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Symmetricom XL-GPS User Manual

Symmetricom XL-GPS
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Using the Command Line Interface
- GPS time is derived directly from the GPS constellation and doesn’t contain any
leap-second adjustments or other GPS-to-UTC corrections.
- Standard Time is UTC plus a time zone offset. For example, Pacific Standard
Time is UTC minus 8 hours.
- Local Time is UTC with a time zone adjustment and a daylight saving time
adjustment.
Using the Command Line Interface
The next two sections show how to connect to the XL-GPS using the serial and network
ports. Both Serial I/O and the network port give the user access to the command line
interface. While the keypad interface provides a simple menu-driven user interface, the
command line interface features:
Additional functions that aren’t available through the keypad
Remote accessibility over a network through the standard network port
To use the command line interface, refer to the explanations and examples in the ‘Command
Line’ subsections for each function.
Connecting to the Serial Port
Complete the following steps to set up and use the Serial Port to communicate with the XL-
GPS.
Verify that the XL-GPS’s serial port settings are as follows: (Keypad: ENTER–4–ENTER. Use
the UP/DOWN ARROWs.)
Serial Port RS232
Baud rate 9600
Data bits 8
Parity NONE
Stop bits 1
Note: Parity set to NONE is only valid when Data Bits is set to 8.
Connect a null-modem cable from the PC’s serial port to the XL-GPS’s “SERIALI/O port.
If needed, configure your PCs terminal emulation program to match the serial port settings
above (9600, 8, N, 1). Set Flow Control to “None.
One terminal emulation program, HyperTerminal, is usually found in Microsoft Windows
under Programs Accessories or Programs Accessories Communications.
098-00116-000 Rev. A............................... Page 31 of 221

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Symmetricom XL-GPS Specifications

General IconGeneral
BrandSymmetricom
ModelXL-GPS
CategoryReceiver
LanguageEnglish

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