Allied Telesis AT-MR420T, Installation Manual

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AT-MR420T and AT-MR820T Installation Guide
15
Ethernet Network Specifications
Table 2 provides an overview of the IEEE 802.3 specifications for
ethernet configurations using thick, thin, and twisted-pair wiring.
Table 2: IEEE 802.3 Network Specifications
AUI Port
Located on the back panel, the AUI Backbone port is a 15-pin D-sub
female connector, which connects the repeater to the network using an
standard Ethernet cable. See Figure 8. Alternatively, you can fit any of
a variety of Allied Telesyn’s 802.3 transceivers into this port should you
select a different medium such as fiber optics.
10Base-T 10Base2 10Base5
Media Unshielded
Twisted Pair
Thin Coaxial
Cable
Thick Coaxial Cable
Topology Star, Tree Bus Bus
External Devices Network
Adapter Card
Network Adapter
Card
Network Adapter
Card and External
Transceiver
Maximum
Segment Length
100 meters
(328 feet)
185 meters
(606 feet)
457 meters
(1,498 feet)
Maximum
Devices per
Segment
_ 30 100
Maximum
Devices per
Network
_ 1024 1024
MRx20T(UTP)Ver6_Book Page 15 Thursday, April 3, 1997 5:18 PM