Q: What are the standard cable, BNC connectors, and terminators for thin Ethernet? \
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A: You need RG58A cable. It operates at 50 Ohms. Don't use RG59 (75 Ohms) or RG62(90 Ohms) cable. The BNC connectors and terminators must also be 50 Ohms. Don't use the ones for cable television—they're at 75 Ohms.\
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Here are some important parameters from the IEEE-802.3 10BASE2 (thin Ethernet/cheapernet) specification:\
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Data Rate 10Mbps (Megabits per second)\
Segment Length 185 meter\
Network Length 925 meter\
Nodes per Segment 30\
Node Spacing (Min) 0.5 meter\
Cable/Connector 50 Ohm (RG58 A/U type)\
single BNC connectors\
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Note that each machine needs to be connected to the net with a T-connector, even the machines at the end of the Ethernet. The machines at both ends have to be terminated.\