DATEL MODEM No. 1

This is the GPO's first Datel Modem which was used on the Datel 600 service.

They were made by Plessey.

Datel Modem No. 1 description - POEEJ article

Documents
Description of Modems used and their facilities (Telegraphs, Datel Services F1001)
Installation and commissioning No. 1C (Telegraphs, Datel Services F3012)
Installation and commissioning No. 1D (Telegraphs, Datel Services F3013)
Datel 600 service codes (Telegraphs, Datel Services F1002)
Datel 600 service (Telegraphs, Datel Services F1010)

Datel Modem No. 1A

Datel Modem No. 1A

Date Modem No. 1C

Datel Modem No. 1C

Datel Modem No. 1C

Datel Modem No. 1C (Marketing picture)

Datel Modem No. 1C (Datel 600)