Complex sentence: Instead, Madge made the tactical error in tightened focus in the ATM market space and the then emerging video conferencing technology and ISDN carrier applications, producing switching, routing, WAN-LAN interfacing equipment to facilitate both intracorporate and intercorporate video conferencing.
Split into simpler sentences: Instead, Madge made the tactical error in tightened focus on the ATM market, emerging video conferencing technology and ISDN carrier applications. Madge produced switching, routing and WAN-LAN interfacing equipment to facilitate both intracorporate and intercorporate video conferencing.