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The option 11C here houses; one DLC - Digital Line Card (48 ports) two other slots for Trunk and or ALC one SSC card slot see image below/attached

Thank you Guys for your responses. There are about 150 extensions (digital & Analogue) combination in my current setup. It will be difficult to do IP phone system because of the nature of the existing cabling structure. Running Ethernet cable may not be eazy at some of the buildings. Please...

Hello Everyone, Please I want your help. I manage a Nortel Option 11c mini, but, recently the issues are becoming too many. Now I cannot even logon to the Call Server. So I am now looking for a replacement for the units. Please what PBX can I use as a replacement? This is how my Nortel option...

...any particular brand of PCMCIA Card you will like to recommend?

Okay. An particular brand you will recommend? especially a brand that you have used and that worked very well.

@Firebird Scrambler, Thank you for your response and attempts to help me resolve my issue. I have done the FBUG again and, still, got the same... "Attempt to run from Diskos: MIB invalid" What is this MIB? Do you think the cards is an issue?

@Firebird Scrambler, I want to rebulid one of the two expansion cabinets using the Media card option. The Main Cabinet and one other expansion cabinet are up and running.

Hello Guys, Please I nee your help here. I got yet another PCMCIA card and put the software in it, yet still repeating the booting sequence. Please, what do I need to do differently? Here is the card am using

Hello All, Please I need your help to rebuild one of the existing Expansion cabinets of a Option 11C mini installation, Suddenly the Expansion cabinet could not bootup fully. Its keeps repeating power up test - power cycling... This is what I have done, 1) I got a 128MB PCMCIA card from the...

@FirebirdScrambler, Many thanks for helping out a brother in need. You have provided a lot of useful information for me here. I going to get a PCMCIA card and load the software it and attempt the OS repair process. I will let you know here, how it goes. am grateful...

Yes, there are SSC cards in each of the Cabinets ( Main/Call Server and the Expansions). The Cabinets are connected via optic fibre cable using IP Fiber Expansion cards. The equipment was intially gotten from Europe. thanks

@FirebirdScrambler, System Information 1) System type - Meridian 1 Option 11C chassis 2) Software Release/Issue 04.50w, etc There are three expansion cabinets and One Main... so it is possible to retrieve system software?

@FirebirdScrambler, I have seen the Software License Certificate and it contain the keycode including the ISM parameters. What I need now is how to get the System Software. Thanks

Many Thanks yyrkroon... The PBX am managing here is option 11C mini and I found 3CDs... and I thought the system software is in it. However, is there a way I can retrive it from the system?

Hello & Good day Guys. Please I need some help. I want to reinstall the OS for a Meridian Option 11C mini PBX but I cant find the original PCMCIA that came with the system. But I have the original 3 CDs. How can I reinstall the OS using the CDs? Thanks

Many thanks KCFLHRC. This is well informative and has cleared my confusion. I now know the reason for what I observed with COT TNs and the 25-pair amphenol. thanks...

Thanks PERRYPJ for the response. Is there a particular order of cable pairing for COT trunk? One of the COT line config is as below, DES Main office TN 002 0 00 06 TYPE COT CDEN 8D CUST 0 XTRK XUT TIMP 600 BIMP 3COM TRK ANLG NCOS 0 RTMB 61 7 PRDN 5006 CMF NO SIGL LOP SUPN NO AST NO IAPG...

Hello All, I need your assistance in determining the termination of COT lines in the 25-pair Amphenol cable to connect Phone set. In my option 11C mini, I have always configured and connected phone sets as follows; TN = 4 0 0 0 corresponds to Amphenol pair of white/blue TN = 4 0 0 1...

Yes, it is indeed wasteful to throw the entire Box away after removing the power unit. I wonder how many times one has to buy the unit just to replace another faulty AC power supply unit. I have three of the option 11C mini system running every time. KCFLHRC - is it possible to uprade from the...

Thank you guys for your inputs. I am just wondering how come the gurus at Nortel did design/build the NTDK91BB, made it only for AC power supply and do not even made provision for the making Spares of the AC power supply unit (NTDK15AB). Whenever this AC power unit goes bad, one has to buy the...