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Magnum 6K8-Series Industrial Field Switch Installation and User Guide (04/07)
PWR/POWER: Power LED, ON when external power is applied to the unit.
LK/LINK: Steady ON, Link status for 10 Mbps and 100Mbps operation.
ACT: ON with port activity for 10 Mbps and 100Mbps operation.
F/H: Full / Half duplex LED, ON when the port is running full duplex,
OFF for half duplex.
10/100: Speed LED, ON when the speed is 100Mbps, OFF when the speed is
10 Mbps
4.3 Auto-Cross (MDIX) and Auto-negotiation, for RJ-45 ports
The RJ-45 ports independently support auto-cross (MDI or MDIX) in
auto-negotiation mode and will work properly with all the other connected devices
with RJ-45 port whether it supports Auto-negotiation or not (e.g. 10Mb Hub, media
converter) or fixed mode at 10Mb or 100Mb Half/Full Duplex (managed switch). No
crossover cable is required while using the 6K8’s copper port to other devices.
Operation is according to the IEEE 802.3u standard.
The Managed 6K8-Series Fast Ethernet copper ports can be set for either fixed 100Mb
speed or for 10/100 F/H N-way auto-negotiation per the IEEE802.3u standard. The
selection is made via MNS software. The factory default setting is for auto-negotiation.
At 10Mb or 100Mb-fixed speed, the user may select half- or full-duplex mode by MNS
Software for each RJ-45 port separately. For detail information See Section (10.1 at
page no.52) of this manual to access the “6K-MNS(Rel 3) Software user guide”
One frequently-used application for the Managed Magnum 6K8-Series Switch
copper ports is to connect one of them using a fiber media converter to another Switch in
the network backbone, or to some other remote 100Mb device. In this case, it is
desirable to operate the fiber link at 100Mb speed, and at either half- or full duplex mode
depending on the capabilities of the remote device. Standard commercially available
Fast Ethernet media converters mostly do not support auto-negotiation properly, and
require that the switched port to which they are connected be at 100Mb fixed speed.
Attachment to 10/100 auto-negotiation ports typically will not work properly. The 6K8-
Series Switch’s RJ-45 ports handle this situation by configuring the ports as per desire
through MNS software port settings and can check the port status of each port after the
change.
When Magnum 6K8-Series RJ-45 copper ports are set for auto-negotiation and
are connected to another auto-negotiating device, there are 4 different speed and F/H
modes possible depending on what the other device supports. These are: (1) 100Mb full
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