Which PTR do you have thats 20ma?
Allison
-----Original Message-----
From: Megan <mbg_at_world.std.com>
To: classiccmp_at_classiccmp.org <classiccmp_at_classiccmp.org>
Date: Thursday, May 10, 2001 11:49 PM
Subject: In search of 20ma to eia converter
>
>I have an old serial paper tape reader which runs with
>20ma and would like to use it to archive all my pdp-11
>(and some pdp-8) paper tapes. But I need a converter...
>
>Can anyone help? Any pointers to a simple schematic?
>
> Megan Gentry
> Former RT-11 Developer
>
>+--------------------------------+-------------------------------------+
>| Megan Gentry, EMT/B, PP-ASEL | Internet (work): gentry!zk3.dec.com |
>| Unix Support Engineering Group | (home): mbg!world.std.com |
>| Compaq Computer Corporation | addresses need '_at_' in place of '!' |
>| 110 Spitbrook Rd. ZK03-2/T43 | URL: http://world.std.com/~mbg/ |
>| Nashua, NH 03062 | "pdp-11 programmer - some assembler |
>| (603) 884 1055 | required." - mbg KB1FCA |
>+--------------------------------+-------------------------------------+
Received on Fri May 11 2001 - 17:52:04 BST