Download SIMATIC TIWAY I Systems Manual
Transcript
Classification of Networks by Size Table 2-1 classifies networks by size. The smallest is the Local Area Network, which is usually (but not always) limited to single or multiple buildings. Next in size is the Long-Haul Network, and finally, interconnected Long-Haul Networks. Table 2-1 Networks According to Size Distance Processors Geographical Area Network Type 10 meters (32 feet) to 7.64 kilometers (25,000 feet) Single Building to Multiple Building Local Area Network 7.64 kilometers to 400 kilometers (1248 miles) Intra-City to Cross-Country Long-Haul Network 400 kilometers to 10,000 kilometers (6,200 miles) Cross-Country to Cross-Planet Interconnected Long-Haul Networks SIMATIC TIWAY I Systems Manual Introduction to Local Area Networks 2-3