On 8/26/23 15:06, timenuts@vlh.dk wrote: > Hi, > > I have a 9383 with GPS and OCXO, I did plan to open it up during my vacation > in 2 weeks time - to do a backup of the CF-card (and to change root and > factory passwords instead of trying to crack those with JohnTheRipper), and > to change the battery; I can take a few pictures of the internals of my > unit. > > I don't know if serialnumber, core version, appl version from the system log > from last boot can tell you anything about what GPS-module it might be? > > Jan 1 00:00:01 chronos spectracom: [system] Unit Started. > Jan 1 00:00:01 chronos spectracom: [system] Spectracom Corp. Model hs92XX > Jan 1 00:00:01 chronos spectracom: [system] Software Version 3.6.7 Date: > 10/24/2014 > Jan 1 00:00:01 chronos spectracom: [system] IRIG Version 9.02 > Jan 1 00:00:01 chronos spectracom: [system] Serial Port 1 Version 2.03 > Jan 1 00:00:01 chronos spectracom: [system] Serial Port 2 Version 2.03 > Jan 1 00:00:01 chronos spectracom: [system] Remote Port 1 Version 2.03 > Jan 1 00:00:01 chronos spectracom: [system] Remote Port 2 Version 2.03 > Jan 1 00:00:02 chronos spectracom: [system] GPS Serial Number: 81408569 > 06/14/2010 > Jan 1 00:00:02 chronos spectracom: [system] GPS Appl Version: 1.20 > 04/21/2010 > Jan 1 00:00:02 chronos spectracom: [system] GPS Core Version: 1.26 > 04/21/2010 > Jan 1 00:00:02 chronos spectracom: [system] GPS Serial Number: 81408569 > 06/14/2010 > Jan 1 00:00:04 chronos spectracom: [system] GPS Startup or Reset > Jan 1 00:00:09 chronos spectracom: [system] Clock time source changed to GPS > Jan 1 00:03:12 chronos spectracom: [system] Clock entering sync. > > > > Regards, > Kim Sindalsen > Hi Kim, Thanks for that. I did a bit more work over the weekend. Made a dd image of the cf card, then wrote another from that, to verify that it was working. Although the original card says 256mb, a copy runs out of space, so used a 512mb card, which works fine. Have an old laptop running Suse 11.4, which has an excellent disk utility. Using that, had a look at the card contents. Turns out to be running Vile Linux 2.5, with the file system EXT3, all on a single partition. Using chroot, changed the root password, and using the onboard video and keyboard, was able to log in as root, then have a look at what else is in the system.et me know if you need copies of the original and unrooted images. Tried, but too large to send as an attachment. What I really need is to find out the vendor and model number of the GPS module, so some closeup photos would help. The module is plugin under 4 screws, so if possible, a photo of the underside would help as well. Mine has the cheapest tcxo oscillator, not good for a test gear reference, so if yours is a higher spec, a photo and part number would help. There are several oscillator footprints on the m/b and should be easy to replace the existing unit, providing a compatable replacement can be found... Regards, Chris

 Symmetricom Netclock/IRIG 9383. Modify for GPS Input
 ----------------------------------------------------

 Chris Quayle, Started: 03-September 2023
 ----------------------------------------

On 8/28/23 17:30, Chris Quayle wrote: > > > On 8/26/23 15:06, timenuts@vlh.dk wrote: >> Hi, >> >> I have a 9383 with GPS and OCXO, I did plan to open it up during my >> vacation >> in 2 weeks time - to do a backup of the CF-card (and to change root and >> factory passwords instead of trying to crack those with >> JohnTheRipper), and >> to change the battery; I can take a few pictures of the internals of my >> unit. >> >> I don't know if serialnumber, core version, appl version from the >> system log >> from last boot can tell you anything about what GPS-module it might be? >> >> Jan 1 00:00:01 chronos spectracom: [system] Unit Started. >> Jan 1 00:00:01 chronos spectracom: [system] Spectracom Corp. Model hs92XX >> Jan 1 00:00:01 chronos spectracom: [system] Software Version 3.6.7 Date: >> 10/24/2014 >> Jan 1 00:00:01 chronos spectracom: [system] IRIG Version 9.02 >> Jan 1 00:00:01 chronos spectracom: [system] Serial Port 1 Version 2.03 >> Jan 1 00:00:01 chronos spectracom: [system] Serial Port 2 Version 2.03 >> Jan 1 00:00:01 chronos spectracom: [system] Remote Port 1 Version 2.03 >> Jan 1 00:00:01 chronos spectracom: [system] Remote Port 2 Version 2.03 >> Jan 1 00:00:02 chronos spectracom: [system] GPS Serial Number: 81408569 >> 06/14/2010 >> Jan 1 00:00:02 chronos spectracom: [system] GPS Appl Version: 1.20 >> 04/21/2010 >> Jan 1 00:00:02 chronos spectracom: [system] GPS Core Version: 1.26 >> 04/21/2010 >> Jan 1 00:00:02 chronos spectracom: [system] GPS Serial Number: 81408569 >> 06/14/2010 >> Jan 1 00:00:04 chronos spectracom: [system] GPS Startup or Reset >> Jan 1 00:00:09 chronos spectracom: [system] Clock time source changed >> to GPS >> Jan 1 00:03:12 chronos spectracom: [system] Clock entering sync. >> >> >> >> Regards, >> Kim Sindalsen >> > > Hi Kim, > > Thanks for that. I did a bit more work over the weekend. Made a dd > image of the cf card, then wrote another from that, to verify that > it was working. Although the original card says 256mb, a copy runs > out of space, so used a 512mb card, which works fine. > > Have an old laptop running Suse 11.4, which has an excellent disk > utility. Using that, had a look at the card contents. Turns > out to be running Vile Linux 2.5, with the file system EXT3, all > on a single partition. Using chroot, changed the root password, > and using the onboard video and keyboard, was able to log in as > root, then have a look at what else is in the system.et me know if > you need copies of the original and unrooted images. Tried, but > too large to send as an attachment. > > What I really need is to find out the vendor and model number > of the GPS module, so some closeup photos would help. The > module is plugin under 4 screws, so if possible, a photo of > the underside would help as well. Mine has the cheapest tcxo > oscillator, not good for a test gear reference, so if yours > is a higher spec, a photo and part number would help. > There are several oscillator footprints on the m/b and should > be easy to replace the existing unit, providing a compatable > replacement can be found... > > Regards, > > Chris > > > Hi Kim, Thought you might be interested in an update on the 9383. Here are the notes to date, after a bit of digging. Basically working, but needs the better oscillator to improve the time offset and frequency stability. Regards, Chris > > Symmetricom Netclock/IRIG 9383. Modify for GPS Input > ---------------------------------------------------- > > Chris Quayle, Started: 03-September 2023 > ---------------------------------------- > > * Replace IRIG card with Trimble Resolution T gps module > (See below) > > * Firmware is on 256 Mb CF card, Vile Linux 2.6.15 Ext3 > > * Card into laptop, Suse Linux 11.4 here > > * image the card > "dd if=... of=9383.img bs=1m" > * Mount on /mnt > * chroot to /mnt, to reset root password > * Rewite edited image using dd to 512mb card, as > original is slightly greater than 256mb. Verify > it still boots and reaches login prompt. > > * Reboot system, login as root via internal > keyboard and vga port > * In /etc/ssh/sshd_config > PermitRootLogin yes > * Reboot, login as root from remote, "ssh root@192.9.200.170" > * Dig around the system, (no 'more' on this box :(, then: > > * cd /etc/ntp > * cat ntp.conf, looks ok > restrict 127.0.0.1 > restrict -4 default noquery nomodify > restrict -6 default noquery nomodify > keys /etc/ntp/keys/ntp.keys > controlkey 65533 > requestkey 65534 > trustedkey 65533 65534 > server 127.127.1.0 # Undisciplined Clock (LOCAL) > fudge 127.127.1.0 stratum 15 > enable pps > server 127.127.45.0 prefer # Spectracom TSYNC PCI > server 127.127.22.0 minpoll 4 maxpoll 4 # PPS Clock Discipline > fudge 127.127.22.0 stratum 0 > keysdir /etc/ntp/keys/ > driftfile /etc/ntp/ntp.drift > logfile /opt/log/ntp.log > statsdir /opt/log/ntpstats/ > statistics loopstats peerstats clockstats > filegen loopstats file loopstats type day enable > filegen peerstats file peerstats type day enable > filegen clockstats file clockstats type day enable > > * login to command line interface > cd /opt/usr/bin > cli > > Welcome to the Spectracom Command Line Interface > (c)Copyright Spectracom Corporation 2006 > > * root@192.9.200.170 > help > Command line interface (CLI) help. > Type 'help cmd' for a detailed help on the 'cmd' command. > The following are the available commands. > time - time > reboot - reboot > halt - halt > log - log COMMAND OBJECT [ HANDLE ] > option - option COMMAND [OPTION | PRODUCT] [VALUE] > ltc - ltc COMMAND [INDEX | NAME] [...] > clean - clean [restart | halt] > net - net COMMAND [Arguments] > disc - disc COMMAND ARG > sys - sys COMMAND [Arguments] > photo - photo COMMAND [Arguments] > ser - ser COMMAND SERIAL [Arguments] > rem - rem COMMAND REMOTE [Arguments] > sernum - sernum COMMAND > irig - irig COMMAND ARG > show - show [on | off] > frq - frq COMMAND INDEX [Arguments] > > * root@192.9.200.170 > option display > Product Name: 9383 > > Security : on > Modem : off > Serial Port 1 : on > Serial Port 2 : on > Remote Port 1 : on > Remote Port 2 : on > IRIG Output : on > Front Panel Display : on > Relays : on > Oscillator Disciplining: on > 10 MHz Frequency Output: on > IRIG Input : on > Oscillator : TCXO > Gps Receiver : NONE > Board : NONE > > * Try setting defaults ??? > > * root@192.9.200.170 > option default > Default options restored for: 9383 > > * root@192.9.200.170 > option display > Product Name: 9383 > > Security : on > Modem : off > Serial Port 1 : on > Serial Port 2 : on > Remote Port 1 : on > Remote Port 2 : on > IRIG Output : on > Front Panel Display : on > Relays : on > Oscillator Disciplining: on > 10 MHz Frequency Output: on > IRIG Input : off > Oscillator : TCXO > Gps Receiver : Trimble Resolution T > Board : NONE > > * GPS Modules > > Dump the application: od -S 5 usr/bin/hs92XX > looking for gps module references, we get: > > Motorola Oncore M12+ Timing > Motorola M12M Timing > Motorola M12M Navigation > Trimble Resolution T > Trimble Force-22 SAASM > > So, looks like quite a choice. > > Had originally thought that the IRIG and GPS types might > need a different firmware load, but there were entries > early on in log files which suggested an initial default > to a gps install, with IRIG being an option set at build > time. Anyway was able to identify the GPS module in use > from your pics, Found one online. All seems to work, > with reasonable timing accuracy. Would think that would > improve with a more stable reference oscillator, but > good enough for noe. > > A useful addition to the time & frequency collection... >