TelePAC ? Pre-internet TCP/IP network 1981 ? EDNET

https://www.telegraphbern.ch/chronikbilder/15telepac.jpg
Another term I found on EMAS /DEIMOS sources is TelePAC (ednet0187.txt). There are different meanings.
Maybe it’s this at least TCP and date would fit. Wikipedia only knows a teletext service from Portugal ~1985, but this site is also about telext
Some more pics on this Suisse telegraph history site

https://www.telegraphbern.ch/chronik.html

Some commands (EMAS)

{{circle(23,11.5,.5)}}
{{INLABEL(.18,“EML”)}}
{{circle(31.5,3,0.6)}}
{{INLABEL(.18,“N6”)}}
{{circle(31.5,4.5,.75)}}
{{inlabel(.18,“RING@b”)}}
{{inlabel(.12,“@b@bN72”)}}
{{circle(10,21.7,3);inlabel(.4,“KB-CPSE@bGEC 4190@b”)}}
{{inlabel(.14,“@B@B@b@b000015000000”)}}
{{circle(10,4,3);inlabel(.4,“AT-CPSE@bGEC 4190@b”)}}

DDXA-Dundee
DLE1-Daresbury
EDCA-Pad
EDGA-Physics
EDGB-Physics
EDQA-ERCC Perq
EDXA-Gretna SERC DEC10
EKVA-Kelvin Lab
GWXA-Glasgow
HWGA-Heriot Watt
NEE1-Newcastle
MRE1-Manchester Jpse
REGA-ROE
REVS-ROE
RLE2-Rutherford
SAVA-St Andrews
SGVA-Stirling
{{label(15.1,26.8,0.4,0,“EDNET 1 July 85”)}}
{{line(15,26.6)(24.5,26.6)}}
{{label(10.7,11.5,.2,0,“ESAVax”)}}
{{label(11.2,11.1,.14,0,“Lau 39”)}}
{{label(13.2,11.5,.2,0,“XGate”)}}
{{label(13.7,11.1,.14,0,“Lau 07”)}}

{{label(32.4,26.8,.14,0,“ERCC Communications Network”)}}