Backbone Network Port - Allied Telesis AT-MR420TR Installation Manual

Product Description
jabber lock-up automatically prevents transmitted data from reaching
the repeater if the transmitted data time exceeds a specified duration
(usually 5 ms).

Backbone Network Port

There are two user-selectable network media options which can be
used to connect to a backbone network: 10Base2 and 10Base5.
These network ports are located on the back panel. See Figure 3.
These media alternatives are:
10Base2 (Bayonet Nut Couple [BNC])
— 10Base2 requires a thin coaxial cable, RG58U, which is a 10
MHz baseband cable that uses BNC-series connectors. The
cable must be terminated at both ends with 50 Ω
terminators and grounded at one end. Maximum segment
length is 185 meters (606 ft.). Internal termination is
provided via the BNC Terminator Switch. See Chapter 4
"BNC Terminator Switch" for details concerning this
switch.
4
Figure 3: Network Media Options