Problems with old Specialix MTS (anyone remember them?)
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From: Elliot J on 21 Jan 2008 05:42 Good day, I am posting this to several newsgroups, considering the age of the device and the range of users who may have had experience overcoming such problems in the past. The company I work for has numerous sites, typically all linked via British Telecom 64k kilostream connections. Many utilise Specialix MTS serial adaptors for providing telnet access to our Mandrake Linux servers at HQ, and serial printing. Despite the age, they have worked well. Recently we have decided to upgrade our national wide area network to a private ADSL circuit. The sites are now all effectively connected via the new ADSL connections, but we are experiencing major problems switching the site networks over. Basically, PCs and network/ethernet printers seem fine - PCs can telnet into our HQ server using Windows based terminal emulator. The problem is with the Specialix MTS's. The dumb terminals connected to the MTS offer a telnet login to the HQ server, but as soon as you enter a username, the terminal locks. Print jobs sent to a serial printer on the MTS device fail after one to two jobs (same deal with the port/MTS appearing to be locked up). *All the time*, we can locally ping to the MTS, and telnet into it (ie: from one of the PCs on the site network), *but* pings from the HQ server cease, once a terminal has locked, or a printer has stalled. It's as though all communication via the gateway (ie: non-local network) is frozen. If we reboot the MTS, we are guaranteed a login again, but the same thing will happen, as soon as we try to enter a username. I have trawled the internet for some leads, but information is scarce to say the least, so I'm really hoping there is someone out there who remembers these devices from their younger days, and may be able to shed some light on what may be going on!? The www.perle.com site doesn't appear to hold any documentation for the MTS in question. We have switched the MTS with a spare we had, and changed the connectivity from BNC to ethernet, all to no avail. When we log into the MTS, we get the following: ---------------------------------------------------- Telnet connect to MTS mts15 Specialix MTS version 5.01.a i.3 Login: ---------------------------------------------------- Thank you very much for reading. Best Regards, EJ
From: Baron on 21 Jan 2008 14:14
Elliot J wrote: > Specialix MTS serial > adaptors Does this help ? http://www.multitech.com/DOCUMENTS/Collateral/manuals/S000354B.pdf -- Best Regards: Baron. |