Here are some pictures of the EPSS equipment. EPSS was an early packet switching network which operated in the UK from 1977 to about 1980. For more information about EPSS see the article that I have put on this page.
01
02-
30/3/1978
03
04 - Wally Freeman
05- Ferranti Manchester (plant
2 building) 30/3/1978
06 - 30/3/1978
07
08
- 30/3/1978
09 - 30/3/1978
10 - 30/3/1978
11- 30/3/1978
12- 30/3/1978
13- 30/3/1978
14- 30/3/1978
15- 30/3/1978
16-
30/3/1978
17- 30/3/1978
18-
30/3/1978
19- 30/3/1978
20
21- 30/3/1978
22
23
24
25- 30/3/1978
26
- 30/3/1978 Post Office Packet Interface Tester
27- 30/3/1978
28
29 - Post Office Packet Interface
Tester
30- 30/3/1978
31- 30/3/1978
32-
30/3/1978
33- 30/3/1978
34-
30/3/1978
35- 30/3/1978
36-
30/3/1978
37
38-
30/3/1978
39
40
- 10/10/1975
41- 30/3/1978
42-
30/3/1978
43- 30/3/1978
44-
30/3/1978
45 - Mark 250 (Pye version of
2bc)(Plessey Poole)
46- 30/3/1978
47 - 10/10/1975
48
49- 30/3/1978
50-
30/3/1978
51
52-
30/3/1978
53- 10/10/1975
54-
Rennes (by courtesy of SESA)
55 - 10/10/1975
Network Structure
Other Pages about early Packet Switching History in the UK
For more information about EPSS see the article that I have put on this page.
Articles about other early networks:
Other Packet switching related pages: