[TheForge] OT - Telcom stuff

[Bob Ehrenberger]

---Original Message: 8
Date: Fri, 17 Sep 2004 09:38:50 -0700
From: Andy Vida <osan at netlabs.net>
Subject: Re: [TheForge] OT  - Telcom stuff

Bob Ehrenberger wrote:

> Not CPM, PDP/11 assembler. 

--- Andy wrote:

Not CPM, PCM... Pulse Code Modulation. :)
We had a PDP-11 tricked out with every Plessy
peripherial you care to name.  And 64K RAM.
Ahhhh... hardware... sweet sweet hardware....

----Reply
Our switch was TDM - Time Division Multiplex controlled by a PDP/11.

The program had to assign time slots for the connections, Xmit/Rcv pairs. 

Robert Ehrenberger
Shelbyville, Mo.