Reviving and connecting an ASR33

From: Bill Allen Jr <n8uhn_at_yahoo.com>
Date: Wed Sep 24 00:10:51 2003

If i remember right,

only four wires are used in the current loop
interface.

two for xmit and two for rcve.

most tty's did 180 baud or near it.

the best way i have found to interface it, is to get
one of the orignal ibm pc xt 8 bit, 1 port serial
cards (the ones with the db-25 connector on the back).

consult the instructions (i have a copy of those here
somewhere) reverse the jumber pack for current loop
and connect the proper pins for current loop too.

that usually works for me.

Bill
 

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Received on Wed Sep 24 2003 - 00:10:51 BST

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