Nortel DMS-10

7 discussions on Cabling-Design.com Forums about the Nortel DMS-10: what owners asked, what went wrong, and what fixed it.

What owners report

Busy out POTS line

Is it possible (without leaving the phone off-hook) to busy out a POTS line so that anyone who calls the line receives a busy signal, and yet I could still dial out at anytime like I normally would? Thanks.

[TELECOM] Cutovers to ESS (was: 911 not universal)

snipWell, two can nit pick.Bryant Pond (with a 'y', not an 'i') in Maine was a MAGNETO exchangeand a FULL exchange (as opposed to a ring-down party line), and wasthe last such known magneto exchange in the US that cutover to dial,back in...

Re: Phone Prefix 620-924

TELECOM Digest Editor noted in response to Carl Moore: reports the 620-924 exchange as being assigned to the "Tri-County Telephone Association," whatever that may be, and lists the switch as a Nortel DMS-10 RSLE.That it does. The TOTAH...

Re: Non-Bell ESS?

Automatic Electric made the #1 EAX (invented in 1973 or 1974) andlater in the 1970s, the #2 EAX. These were WECo #1ESS/1AESS like innature -- analog switch with computer control. These were originallyjust for a Class 5 end offices but later...

Switching History (was How's Pat?) [Telecom]

Wes can ring in here as to what he meant by his statement:"Some of it was still is service into the 1950s and I thinkprobably another 10 years or so late." ...but I'll chime in here as to how *I* read that, in context.I don't think that Wes...

All discussions