Magnum 4K8 Switches Installation and User Guide (10/04)
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new frequently-used addresses. To reset the address buffer, cycle power down-and-up.
4.2 Status LEDs
For Magnum 4K8 models :
PWR : Power LED, ON when external power is applied to the unit.
ERROR : Self-test at power up failed
LK/Act : Steady ON for link with no traffic, blinking indicates port is
transmitting and receiving.
F/H : Full / Half duplex LED, ON when the port is running full
duplex, OFF for half duplex.
Speed : Speed LED, ON when the speed is 100Mbps , OFF when the
speed is 10 Mbps
4.3 Manual Switches for Up-link push-button, for RJ-45 Port#1 only
Figure 4.3 : Up-link push-button
on RJ-45 Port#1
The Magnum 4K8 Switch has a manual Up-link sliding switch, located on the
front panel next to 10/100Mb RJ-45 port # 1 which it controls. It enables the port’s cable
to either connect to a user station node (push in) or to be cascaded (push out) to a
10/100Mb repeater or switching hub in the network. Verify proper Up-link push-button
position by noting Port 1’s LK (link) LED status, which is illuminated when a proper link
is made.
4.4 Manual Switches “F-H”, for FPM Port#9 only
The Magnum 4K8 Switch has a manual sliding switch called “F-H” located on
the front panel next to Fiber port # 9 which it controls. While on “F” position enables the
port # 9(Fiber port module) to full fixed 100Mbps only whereas in “H” position led the
port#9 to set at half-duplex.
The Magnum 4K-Series Fast Ethernet bonus copper port# 9 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 an internal jumper. The factory default setting for
RJ-45 port is auto-negotiation
4.5 Auto-negotiation, for Fast Ethernet copper ports
One frequently-used application for the Magnum 4K8-Switch copper ports is to
connect one of them using a fiber media converter to another Switch in the network
1 2 3 4 5 6 7 8
POWER
ERROR
L/A
SPEED
F/H
UPLINK
= X
FF
A
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