Symmetricom XL-GPS GPS Receiver User Manual


 
997-01530-01, Rev. C-25, Jan 2008 123
2
5
1
SSSSSSSSSSSS SSSS SSSSSS SSSSSSS S SSS SSSSSSS
An example XL-GPS response is:
F100 VER
BOOTLOADER 192-8000
SOFTWARE 192-8001
FILE SYSTEM 192-8002v1.80
NVRAM VER 5
PROJ REV #1.80
The “PROJ REV” number is the firmware version number. The “v” number in “FILE SYSTEM” is the file
system version number, which may not be the same as the firmware version number.
How does one check the IP address, subnet mask, and default gateway of the
XL-GPS?
Log on to the XL-GPS and enter the following command:
> F100 IC
F100 IP:192.168.47.156 SM:255.255.255.0 G:192.168.47.1
Is the null modem cable necessary? What if I’m upgrading a XL-GPS
remotely?
The null-modem cable is optional. If you decide to Telnet to the XL-GPS over TCP/IP network, you don’t
need the null modem cable.
I’m using a null modem cable to connect to the XL-GPS from my laptop and
the XL-GPS keeps rebooting?
An ungrounded voltage level on one of the pins in the null modem cable causes the unit to reset. Use
one of the following work-arounds:
Connect the laptop to a grounded power supply, if it has one, or ground the laptop’s chassis.
Do away with the null modem cable. Telnet to the unit over the network.
Use a regular PC instead of the laptop. The PC is connected to a grounded power supply and doesn’t
cause this problem.