GarrettCom 6K8 - Manual (Page 16)

Magnum 6K8-Series Industrial Field Switch Installation and User Guide (04/07)
11
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feature which allows the Magnum 6K8 to monitor the internal power failure and
controlled via hardware or software trap controls. The options for universal AC and
24V/-48V/125VDC-power options offer a widely accepted managed switch with high
reliability.
2.2.2
Eight-port SFF fiber modules (6K8-MTRJ, 6K8-MLC), 100Mb
fiber
Fig.2.2.2:
SFF Fiber Port Modules,
6K8-MTRJ (to the left)
and
6K8-MLC or -SLC
(below)
In an eight-port SFF fiber port module, all of the fiber ports are of the same
speed (100Mb), mode, and connector type. Models available with Small Form Factor
(SFF) are multi-mode MT-RJ or LC-type connectors, and single-mode LC-type
connectors.
The 100Mb fiber eight-port
modules for the Magnum 6K8-Series
normally are set (factory default) to
operate in full-duplex mode for best
fiber distance and performance. Using
the 6K-MNS software, the user may
select full- or half-duplex mode per-port through set-up of the software (See Magnum
6K-MNS Software Manual) for the flexibility to adapt to any FDX or HDX type of Fast
Ethernet devices).
There are three LED’s per fiber port. The Link (LK) LED indicates “ready for
operation” on that port when lit, the F/H LED indicates operation in full-duplex
mode when ON (half-duplex when OFF), and the blinking ACT LED indicates
receiving Activity on the port. A fiber cable must be connected into a SFF port
and the Link (LK) indicator for that port must be ON (indicating there is a
1 3 5 7
2 4 6 8
LK LK LK LK
ACT
F/H
ACT
F/H
ACT
F/H
ACT
F/H LK LK LK LK
ACT
F/H
ACT
F/H
ACT
F/H
ACT
F/H
2 4 6 8
LK LK LK L
AC
F/H
AC
F/H
ACT
F/H
ACT
F/H
2 4 6 8
LK LK LK L
AC
F/H
AC
F/H
ACT
F/H
ACT
F/H
1 3 5 7