Studying up for Nortel Test, have a stupid question - PBX Info :: Your Free PBX, PABX and Telephone Information Resource

mmtech · 09-03-2003, 01:41 PM

I am curently supporting 2 option 11's, have not been around the 61/81's for about 4 years. I was one those long haul casualties worked on all of the NOrtel big stuff like OC-192 transport, ATM DMS-250 etc. I noticed that the 51/61/81 architecture is actually similar to the Sonet transport gear. Any way enough comments.
My question is a basic one:
If you have a superloop card connecting a IPE controller and is configured to handle two segments, how does the actual administration as in L s c u ? Do you use just the superloop number in the L for the entire range of segments? Or is it divided between the four loops in the superloop?

Tying to think out of the Option 11 box that I am stuck in

jack · 09-03-2003, 02:38 PM

OK,

From the top a shelf can be divided into 4 segments.

If you decided to divide a shelf into two segments, lets say 0 & 1, both of those segments would be controlled by the same superloop card, lets say 44, so your 0 & 1 segments would both be refferenced as 44 S C U.

Depending on how you handled the remaining segments would determine how they would be refferenced.

Class dismissed

Jack

ps post back if this is still unclear

jack · 09-03-2003, 02:42 PM

One last thought on this, don't think of a superloop as a bundle of 4 loops, rather consider it a group of 120 talk slots.

Jack

mmtech · 09-03-2003, 02:59 PM

Thanks,
I have read a ton of Nortel NTP's over the years, in all of them they can be a little ambiguos. I used to program phones occasionally on a option 61, but never gave much thought as to how it was really laid out. Would just do a LUVU to find an open TN.
Actually I guess a superloop would be worth 5 T-1's. yea understand the 120 slot.
I used to work on Hitachi HXC's and it was Shelf- left/right-card-unit, Nortel's designation of a loop and super loop is quite interesting concept. I more used to Di-groups.

jack · 09-03-2003, 05:29 PM

Do NOT make this harder than it needs to be!!!

A super loop is simply a group of talk paths/time slots, nothing more.

Depending on your applications and or configuration these talk paths/time slots will determine the simultaneous calls that can occur on a given super loop.

The formulas to determine the proper config. are well documented in the Sys. Planning and Engineering NTP's as well as using ongoing traffic reports will show actuall usage as well as any FTM's.

Jack

Jack

mmtech · 09-03-2003, 05:48 PM

I found both the System Engineering and the Cabling NTP very useful. I did come to understand that a superloop was a 120 time/talk slots, I was simply making a comparison to another manufacture and a Carrier grade Nortel line.
I would love to put together an option 81 from the ground up especially with the OC12 ring that they have built into it.

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