John Combs wrote: > > Our testing laboratory has a customer who needs a quick turnaround on a T2 > (DS2) interface test for JATE, and we discovered that our North American T2 > equipment is 110 ohm balanced, using a B6ZS line coding, but Japan uses 75 > ohm unbalanced, B8ZS line coding! Does anyone know of any test equipment > than can send & measure jitter on a T2 unbalanced interface? > > In my quest to find such test equipment, I have run across a disturbing > fact -- most of the major test equipment manufacturers are abandoning > production of ANY T1/T2/T3 test equipment, because the market is drying up > (their words). Apparently, the major purchasers of such equipment have > been telcos and long distance companies, and nowadays they don't need it > any more because the test capabilities are built into their switches. HP, > Siemens & TTC (Fireberd) have discontinued their production of such > equipment completely. (I'm not sure about W&G at this point.) > > This is a problem for a test laboratory, as we _still_ need such equipment, > at least to replace our aging equipment at some point down the road...
Found it. They advertised having T-2 stuff. RenTelco Communications Rentals 1901 N. Glenville, Suite #401-A Richardson, Texas 75081-1957 Contact: Anthony de la Riva Tel: 1-800-352-2900 or Tel: 1-800-233-5807 http://www.rentelco.com/ ************************************************************ ------------------------------------------------------- The comments and opinions stated herein are mine alone, and do not reflect those of my employer. ------------------------------------------------------- ************************************************************
