Restoring the ASR33 at CB1

Things to buy

• 20mA-RS232 convert; possibilities include:
  • Westermo
  • Patton (and more Pattons)
  • Framed
  • Amplicon
  • Patton themselves

Things to find or buy

• 4 lines of small connector block
• 4 or 5 core signal wire
• IEC ("kettle") lead

RTTY Loop mentions a supplier of parts. Contact address is P.O. Box 8873, Ft. Lauderdale, Florida 33310; telephone 954-583-1340.

Things to borrow

• Interfaker (or at least a high-impedance voltmeter)
• Oscilloscope?

Hardware tinkering

Mechanical

• TTY case back together without the sticking on the * key

Electrical

• sort out which line is which on ASR33 data cable

Electronic

Software setup

• baud rate to 110
• getty on /dev/ttyA or /dev/ttyB
• line mode browser

In progress

At last, I've got started on this (really doing things from 2006-02-08. Here are the pre-restoration pictures.

Restoration diary

John C. G. Sturdy

Last modified: Sun Sep 25 21:59:55 GMT Daylight Time 2005