Chapter1, Product description, Figure1: at-mr840tf (st/sc) front panel – Allied Telesis AT-MR840TF User Manual
Page 21: Chapter 1, Overview
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Chapter 1
Product Description
Overview
The AT-MR840TF is a 10Base-T /10Base-FL standalone, unmanaged hub that
has eight UTP (RJ45) ports and one fiber optics port. There are two types of
fiber optic ports that accommodate an uplink connection to the backbone. The
ST version accommodates a fiber ST cable whereas the SC version
accommodates an SC cable. The SC/ST uplink port provides a means for media
conversion and increased distance.
In addition to uplink capabilities, the hubs can be cascaded using one of the
eight RJ45 ports or the fiber ST/SC port to connect to other hubs to increase the
segment size. Up to four hubs can be interconnected per IEEE 802.3 standards.
The AT-MR840TF hubs support full-length cable segments with the maximum
number of supported devices allowed within IEEE 802.3 standards. The hub is
equipped with an internal universal AC power supply and can be desk or wall-
mounted. For wall-mounting instructions and materials, refer to AT-BRKT17.
Figure 1: AT-MR840TF (ST/SC) Front Panel
IEEE 802.3 10BASE-T / 10BASE-FL
MULTIPORT MICRO HUB / REPEATER
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
LINK OK
RECEIVE
ACTIVITY
COLLISION
POWER
NETWORK LOAD
1
2
4
8
16
32
64
84+%
10BASE-T NETWORK PORTS
HUB STATUS
MR840TF_Book Page 1 Tuesday, November 11, 1997 3:46 PM