75117033
Jun 10, 1996
Sep 16, 1997
telecommunications equipment, namely, T1 multiport data service unit/channel service unit (DSU/CSU) devices used to terminate T1 telecommunication lines having multiple data ports for connection to high speed terminal equipment such as computer aided design (CAD) work stations, local area network (LAN) bridges and routers and video teleconferencing equipment
Electrical and Scientific Apparatus