GarrettCom ES42 User Manual
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ES42 Series Edge Switches
Installation and User Guide (05/05)
auto-cross (MDIX) operation under auto-negotiation mode. The ES42 series provides
switching among four 10/100 auto-negotiating copper ports and two 100Mb fiber ports
which may be SC, ST, MTRJ or LC multi-mode or single-mode. The ES42’s breadth of
fiber options and well as temperature options provide many networking options and
solutions in a very small footprint.
Two sets of LEDs to indicating the operating status of ports are mounted on the
top and front (for extra viewing advantage while rack-mounted). For each port, there are
Link and Activity (LK/ACT) LED’s on the top indicating that the media cables are
connected correctly and showing, by blinking, when there is traffic. The LK/ACT LED’s
are repeated on the front as 1 (port 1)…6 (port 6), whereas on the side as LA1…LA6 .
There is another set of LEDs on the front for 10 or H and 100 or F, to indicate the data rate
as well as a set to indicate duplex for ports 1 and 2 only. 10/100 indicates the speed for
copper ports, whereas F/H indicates Full and Half duplex for fiber ports only.
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