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CABLE REQUIREMENTS
BRIM-E6 USER’S GUIDE Page 35
Propagation delay is the amount of time it takes data to travel from the
sending device to the receiving device. Total propagation delay allowed
for the entire network is 25.6 µsec, if the total propagation delay between
any two nodes on the network exceeds 25.6 µsec, then bridges should be
used.
B.1.4 10BASE-2 Thin-net Cable Requirements
When you connect a thin-net segment to the EPIM-C, your network must
meet the following requirements:
Cable Type
50 ohm RG-58A/U type coaxial cable must be used when making up a
thin-net cable segment.
Length
The thin-net segment must be no longer than 185 meters.
Terminators
A 50 ohm terminator must be connected to the far end of each thin-net
segment.
Connectors
A maximum of 29 tee-connectors may be used throughout the length of
cable segment for host connections. If an excessive number of barrel
connectors are used within the cable segment, such as finished wall plates
with BNC feed-throughs, then a reduced number of host connections may
be required. For special network design, contact Cabletron Systems
Technical Support.
Grounding
For safety, ground only one end of a thin-net segment. Do NOT connect
EPIM BNC ports to earth ground.
Warning: Connecting a thin-net segment to earth ground at more than one
point could produce dangerous ground currents.