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GMX48 suggested replacement? #56103 12/31/06 11:58 AM
Joined: Dec 2006 Posts: 16 Laramie, Wyoming BroadcastEngineer OP Member
OP BroadcastEngineer Member Joined: Dec 2006 Posts: 16 Laramie, Wyoming	Hello everyone... I just found this forum and it has so far been an excellent resource. I recently inherited responsibility for an old GMX48 system. I do have all of the manuals and they have been extremely helpful. The system seems pretty straightforward to program. HOWEVER...We are having some serious reliability issues (I know...with the age of this hardware it does not surprise me). I have gone completely through the system and corrected some wiring errors made by the previous engineer. He had used Cat 5 to wire the system but had "split" one of the pairs across two different pairs of the Cat 5. All of the wall jacks are RJ45. I simply stuck to the "standard" wiring convention on the 66 blocks (using only 3 of the 4 pairs wired to the KSU) and made up RJ45 to RJ11 jumper cables for each station. I used the EIA/TIA T568B pinout for the RJ45 end of the jumper and USOC 6 wire for the RJ11 end. Oddly enough I did NOT have to flip the blue/white pair with this wiring configuration. Anyway... I am looking for a suitable replacement for this system. My two top candidates at this point are the EncoreCX or the Avaya Partner ACS. We do not have extensive needs...The system has 5 lines and 14 stations with 8 single line stations for various purposes (lines for the on-air phone systems, fax, etc). The system also has an AVT V/M system connected to it but nobody uses it! If anyone would be willing to take a look at the error logs I have captured from the system I would be happy to pass them along. There may be something I am missing but at this point I suspect hardware failures and think it's time to replace this system. The manager got the system for free from another location. When it was installed here it replaced a 1A2 key system. The GMX48 was an upgrade from the 1A2 but was obsolete when it was installed. Thanks... --Shane Putting the magic blue smoke back into equipment since 1993.

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Re: GMX48 suggested replacement? #56104 12/31/06 12:10 PM
Joined: Nov 2001 Posts: 2,500 usa RCA Member
RCA Member Joined: Nov 2001 Posts: 2,500 usa	Shane welcome to the forums. What problem exactly are you having? Also, when was the last time this system was reset? Rhett

Re: GMX48 suggested replacement? #56105 12/31/06 12:15 PM
Joined: Dec 2006 Posts: 16 Laramie, Wyoming BroadcastEngineer OP Member
OP BroadcastEngineer Member Joined: Dec 2006 Posts: 16 Laramie, Wyoming	The biggest problems involve spontaneous resets (minor and major) and extensions being reported as off-hook that are not. The spontaneous resets (obviously) result in all calls being dropped. I have done manual resets of the system from the menu several times recently [A], [K], [R]. Thanks, --Shane Putting the magic blue smoke back into equipment since 1993.

Re: GMX48 suggested replacement? #56106 12/31/06 12:29 PM
Joined: Dec 2006 Posts: 16 Laramie, Wyoming BroadcastEngineer OP Member
OP BroadcastEngineer Member Joined: Dec 2006 Posts: 16 Laramie, Wyoming	I will post the log in a moment... Thanks, --Shane Putting the magic blue smoke back into equipment since 1993.

Re: GMX48 suggested replacement? #56107 12/31/06 01:23 PM
Joined: Dec 2006 Posts: 16 Laramie, Wyoming BroadcastEngineer OP Member
OP BroadcastEngineer Member Joined: Dec 2006 Posts: 16 Laramie, Wyoming	There are way too many errors to post the whole thing but here is a small sample of the errors I have been receiving...Most of them just continue to repeat with no apparent pattern. Most concerning are the Minor Resets and Major Resets. Note that I did not initiate ANY of the resets, nor were there any delayed resets scheduled. I have been getting the Transmission Errors on circuit 1.5 repeatedly. I have checked all of the wiring for this circuit and it appears OK. I have also tried swapping the phone itself. The errors continued. I am also now getting errors like this from circuit 1.7. For what it's worth, my phones are the Intertel Premier ESP phones...NOT the ugly 2-tone GMX phones. If you would like to see the full capture let me know. Thanks again for any and all help, --Shane * 07:19 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 07:36 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 07:37 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 07:46 STNA: 1.5 [K/D1] RTT Detected Transmission Error +++ 07:52 MINOR ALARM #01 Ext. 105 -- Station Off-hook * 08:02 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 08:02 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 08:03 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 08:18 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 08:22 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 08:27 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 08:28 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 08:31 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 08:41 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 08:47 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 08:48 STNA: 1.5 [K/D1] RTT Detected Transmission Error +++ 08:53 MINOR ALARM #01 Ext. 105 -- Station Off-hook * 09:02 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 09:09 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 09:09 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 09:10 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 09:39 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 09:48 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 10:10 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 10:22 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 10:33 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 10:36 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 10:44 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 11:22 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 11:23 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 11:56 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 12:01 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 12:02 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 12:13 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 12:35 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 12:50 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 13:03 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 13:07 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 13:08 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 13:37 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 14:00 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 14:10 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 15:02 STNA: 1.5 [K/D1] RTT Detected Transmission Error +++ 15:58 MINOR ALARM #01 Ext. 105 -- Station Off-hook * 16:19 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 16:24 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 16:28 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 07:41 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 07:42 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 07:48 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 07:53 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 08:10 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 08:28 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 08:31 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 08:56 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 09:05 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 09:08 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 09:09 STNA: 1.5 [K/D1] RTT Detected Transmission Error --- Invalid Input> Keyset: 05 State: 0100 Input: 0074 * 09:11 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 09:14 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 09:17 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 10:11 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 10:15 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 10:17 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 10:36 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 10:57 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 11:02 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 11:03 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 11:34 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 11:35 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 11:38 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 11:47 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 11:56 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 12:01 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 12:06 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 12:08 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 12:09 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 12:22 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 12:24 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 12:32 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 12:34 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 12:34 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 12:38 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 12:40 STNA: 1.5 [K/D1] RTT Detected Transmission Error +++ 12:41 MINOR ALARM #01 Ext. 105 -- Station Off-hook * 12:43 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 13:10 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 13:33 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 13:40 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 13:42 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 13:42 STNA: 1.5 [K/D1] RTT Detected Transmission Error +++ 13:44 MINOR ALARM #01 Ext. 105 -- Station Off-hook * 13:45 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 13:53 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 13:56 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 14:29 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 15:03 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 15:19 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 15:22 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 15:23 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 15:34 STNA: 1.5 [K/D1] RTT Detected Transmission Error +++ 15:48 MINOR ALARM #01 Ext. 105 -- Station Off-hook Minor Reset +++ 22:47 MINOR ALARM #01 Ext. 105 -- Station Off-hook Minor Reset +++ 00:38 MINOR ALARM #01 Ext. 105 -- Station Off-hook Minor Reset +++ 02:58 MINOR ALARM #01 Ext. 105 -- Station Off-hook Minor Reset +++ 03:02 MINOR ALARM #01 Ext. 105 -- Station Off-hook Minor Reset Minor Reset +++ 05:19 MINOR ALARM #01 Ext. 105 -- Station Off-hook * 07:46 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 08:03 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 08:16 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 08:22 STNA: 1.5 [K/D1] RTT Detected Transmission Error * 08:28 STNA: 1.5 [K/D1] RTT Detected Transmission Error Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset --- Invalid Input> SL Set: 52 State: 0400 Input: 0084 Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset --- Invalid Input> Line: 02 State: 0600 Input: 0084 Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset --- Invalid Input> Keyset: 06 State: 0100 Input: 0001 --- Invalid Input> Keyset: 07 State: 0100 Input: 0006 --- Invalid Input> Keyset: 08 State: 0100 Input: 0001 --- Invalid Input> Keyset: 10 State: 0100 Input: 0001 --- Invalid Input> Keyset: 11 State: 0100 Input: 0001 --- Invalid Input> Keyset: 12 State: 0100 Input: 0001 --- Invalid Input> Keyset: 13 State: 0100 Input: 0002 --- Invalid Input> Keyset: 14 State: 0100 Input: 0001 --- Invalid Input> Keyset: 15 State: 0100 Input: 0001 Minor Reset * 09:02 STNA: 1.5 [K/D1] RTT Detected Transmission Error Minor Reset Minor Reset Minor Reset --- Invalid Input> Keyset: 06 State: 0100 Input: 0001 --- Invalid Input> Keyset: 07 State: 0250 Input: 0006 --- Invalid Input> Keyset: 08 State: 0100 Input: 0001 --- Invalid Input> Keyset: 10 State: 0100 Input: 0001 --- Invalid Input> Keyset: 11 State: 0100 Input: 0001 --- Invalid Input> Keyset: 12 State: 0100 Input: 0001 --- Invalid Input> Keyset: 13 State: 0250 Input: 0002 --- Invalid Input> Keyset: 14 State: 0100 Input: 0001 --- Invalid Input> Keyset: 15 State: 0100 Input: 0001 Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset Minor Reset --- User Diagnostic - Invalid Diagnostic Message Requested --- Return Address : $00057930 --- User Diagnostic - Invalid Diagnostic Message Requested --- Return Address : $00057930 --- Cancel Timer Not Found = $0039 Device = $0107 --- Cancel Timer Not Found = $0039 Device = $010D Minor Reset Minor Reset Minor Reset --- User Diagnostic - Invalid Diagnostic Message Requested --- Return Address : $00057930 --- User Diagnostic - Invalid Diagnostic Message Requested --- Return Address : $00057930 --- Cancel Timer Not Found = $0039 Device = $0107 --- Cancel Timer Not Found = $0039 Device = $010D Minor Reset Minor Reset Putting the magic blue smoke back into equipment since 1993.

Re: GMX48 suggested replacement? #56108 12/31/06 01:53 PM
Joined: Nov 2001 Posts: 2,500 usa RCA Member
RCA Member Joined: Nov 2001 Posts: 2,500 usa	When you swapped the phone at 1.5, did you also swap the line cord? Unfortunately you cant swap boards around to trouble shoot because 1.5 is the main KSU and not a module. You could try to re-wire the jack, meaning put the spare brown pair where the orange pair goes, put the green where the blue goes etc. Then re-do the jumper at the backboard. The 1.5 errors are typical errors I see in the logs. Usually swapping boards, changing pairs, changing line cords etc fix this. Sometimes replacing the board is the answer. The last part of your errors draw some concern. Have you turned on any diagnostics mode in the system? I dont have a live system to look at things so this comes from memory. Those errors might be a sign of a failing system. I dont think I have any information that would explain those errors but they dont look good to me. Rhett

Re: GMX48 suggested replacement? #56109 12/31/06 04:40 PM
Joined: Dec 2006 Posts: 16 Laramie, Wyoming BroadcastEngineer OP Member
OP BroadcastEngineer Member Joined: Dec 2006 Posts: 16 Laramie, Wyoming	Hello again... Yes, I did try swapping the line cord. Once I find my 110 bit I will try re-punching the terminations at the wall jack. Most of my blocks are 66 blocks so oddly enough I don't have many spare 110 tools around. (I've got 66 bits, ADC QCP punch tools and BIX punch tools but no 110 bit! Argh!) The other thing I suppose could try is disabling that station and moving it to another port on the CPU board or the EXP module...I did notice that circuit 1.7 has also logged several errors. Both ports are on the CPU board so maybe it is something there. After re-terminating everything, swapping ports, trying a new line cord and a replacement phone, however, I'm running out of options. What do you make of the spontaneous reboots? I would think that even excessive data errors on a port should not cause the system to reboot...Power supply problems, perhaps? Regarding the other error messages, there are more omnious error messages further down in the log as well that I did not include. They were similar to these but some of the addresses were different. I do not believe I have anything odd turned on in the way of diagnostics... I had some issues earlier with an EXP module and an APM. Extensions on them were not working properly and they were causing the system self test to fail. Fortunately the EXP module was not in use and I had a spare APM. I removed the unused EXP module and swapped out the APM. That fixed the issues with the self test but the other issues still persisted. I wish I had a spare CPU board that I could swap out. Am I just chasing my tail here? Is this system even worth fixing or is it just at the end of its useful life? --Shane Putting the magic blue smoke back into equipment since 1993.

Re: GMX48 suggested replacement? #56110 12/31/06 04:52 PM
Joined: Nov 2001 Posts: 2,500 usa RCA Member
RCA Member Joined: Nov 2001 Posts: 2,500 usa	Is it worth fixing, probably not because it sounds like a hardeware problem. I would move the extension off 1.5 to an unused port first before the re-wire. What could be happening here is that your getting so many errors from that station at once, it fills up the memory buffer on the CPU causing the system to reset. Try moving the station to an open port and go from there. Rhett

Re: GMX48 suggested replacement? #56111 01/01/07 10:12 AM
Joined: May 2002 Posts: 4,301 Likes: 7 ROSEDALE hitechcomm Moderator-Avaya, Polycom
hitechcomm Moderator-Avaya, Polycom Joined: May 2002 Posts: 4,301 Likes: 7 ROSEDALE	The GMX-48 was and is a very good system. However you seem to have the forsight to realize it is a aging system. We still service about 120 of them. We upgrade our end-users to the AVAYA Partner ACS. This is a easy and usually welcomed change for our customers. www.iSimply1.com

Re: GMX48 suggested replacement? #56112 01/02/07 12:35 PM
Joined: Dec 2006 Posts: 16 Laramie, Wyoming BroadcastEngineer OP Member
OP BroadcastEngineer Member Joined: Dec 2006 Posts: 16 Laramie, Wyoming	Well, as much as it needs replacement, I've been told I need to make this system work for the time being. I'm going to try swapping the offending stations to ports on an expansion module but I'm doubtful that will cure all of the issues... Does anyone know where I can get a replacement CPU board? This system currently has the Advanced software on it. Better yet, does anyone have an old GMX48 KSU with Advanced Software that they would be willing to part with? I badly need some spare parts if I'm going to have to keep this thing going... I also need to know how to properly backup the database and restore it. Can this be done with Hyperterm or do I need a special utility? Thanks again, --Shane Putting the magic blue smoke back into equipment since 1993.

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