Symmetricom 1000, 1100 manual Setting the GPS Parameters

Chapter 4 Provisioning the TimeProvider

Provisioning the Input Reference

Setting the GPS Parameters

After you install the GPS antenna, you must provision the parameters using the ED-EQPT command.

ED-EQPT:[<tid>]:<aid>:[<ctag>]::<keyword>=<value>;

This command has a default access level of ADMIN.

<aid>	<keyword>	<value>	Description	Default value
GPS	MODE	AUTO	The antenna position (latitude,	AUTO
			longitude, and elevation) is
			automatically computed or
			recomputed and set
		MANUAL	The position (latitude, longitude, and
			elevation) is set manually using the
			POS keyword
GPS	POS	LAT	dd-mm-ss.ssN or	n/a
(cont’d)	Note: The		dd-mm-ss.ssS
	position can
		LONG	dd-mm-ss.ssE or
	only be set
			dd-mm-ss.ssW
	when Mode
	is MANUAL	ELEV	hhhh.hh height in m
	ELEVMASK	5 to 45	The elevation mask, below which the	10
			TimeProvider will not track or acquire
			a satellite

Sample Command

ED-EQPT::GPS:TS1000::MODE=AUTO;

This command sets the GPS location mode to Automatic. The location of the GPS antenna is determined from multiple satellite fixes.

Autonomous Message

TP-SSU 03-10-24 10:45:15 A 1179 REPT EVT

“GPS,EQPT:NA,FRMTYPE,NSA,03-10-24 10-45-15:\"GPS MODE HAS CHANGED,AUTO\””

;

To manually set the location of the receiver, you must enter the latitude, the longitude, and the altitude (in m) in the same command, using commas to separate the parameters.

Sample Command

ED-EQPT::GPS:TS1000::POS=30-28-34.0N,97-50-16.0W,333.0;

097-58001-02 Revision G – April 2008 TimeProvider User’s Guide 109