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118 997-01530-01, Rev. C-25, Jan 2008
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B: Upgrading System Firmware
Caution: Consideration must be given to the firmware and the hardware version numbers of the XL-GPS and it’s optional
components. Consult with Symmetricom’s Customer Service department before performing upgrades
.
This section explains how to completely upgrade the system firmware. This is done using the F100 BH,
F100 BUB, F100 BU, and F100 BF commands.
Overview of Procedure
• Set up a network connection between your XL-GPS and the FTP server.
• Set up an FTP Server with the firmware upgrade files.
• Open a command line session to the XL-GPS.
• Install the firmware version 8 files.
• Reboot the XL-GPS.
Note: If your system’s NTP and SNMP configuration files (ntp.conf, ntp.keys, snmp.conf) have been
customized, make backup copies and later re-install those configuration files. See “
A: Using
F100 Configuration” on page 114.
Set up the FTP Server
To save time and trouble, download a preconfigured FTP server from http://www.ntp-systems.com/zip/
warftpd1.zip and extract it to the C:\ drive on your workstation. Otherwise, customize your existing FTP
server setup as described in this section.
When performing these operations, the user issues command line instructions to the XL-GPS. The XL-
GPS responds to those commands by connecting to the FTP server and burning the software to system
memory. The XL-GPS gives the FTP server ‘Anonymous’ as its user name, and uses a null password
(e.g., the equivalent of pressing the Enter key on your keyboard instead of entering text). The FTP
server must be configured as follows:
• Anonymous log-ins are enabled
• The password for Anonymous is disabled, or allows a null password
• Anonymous has read/write privileges to Anonymous’s home directory.
Obtain the current system firmware files (E.g., 192-8001.bin, 192-8000.bt, 192-8002.fs) from
Symmetricom’s customer support website.
Place the system firmware upgrade files in home directory of the ‘anonymous’ user. If you’re using the
preconfigured FTP server, C:\Symmetricom is the default or home directory.
Open a Command Line Session on the XL-GPS
Note: The XL-GPS and FTP server need to be connected by a TCP/IP network. Ideally they should be
on an isolated subnet. Connecting them over a network with multiple ‘hops’ or one with heavy