Network component

12345678
Across
  1. 2. device for making and breaking the connection in an electric circuit
  2. 5. connects a terminal computer to the ISDN network
  3. 7. a part of a computer system or network which is designed to block unauthorized access while permitting outward communication
  4. 8. Wireless Application Protocol
Down
  1. 1. a device used to connect multiple LANs together with a larger Local Area Network (LAN)
  2. 3. a digital-interface device used to connect data terminal equipment
  3. 4. an electronic device which is a combination of a radio transmitter and a receiver
  4. 6. a network node used in telecommunications that connects two networks with different transmission protocols together