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Allied Telesis AT-RPS8000 Specifications Page 27

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Hardware Reference 27
C613-03066-00 REV D
Check these first
1. Check the power cord connections.
2. Check that the power supply voltage is stable.
3. Check that the correct data cables are being used and that their connections
are secure.
4. Check that any GBICs are correctly installed and that they are compatible
with the switch. See “Gigabit Interface Converters (GBICs)” on page 29 for
more information.
5. Make sure that other network devices are working properly.
6. Use the SHOW INSTALL command to check that the latest software release
is loaded. See the AT-8800 Series Software Reference for more information
about obtaining the latest software release.
7. If the switch is malfunctioning, reboot it by pressing the recessed Reset
button or entering the command RESTART REBOOT. Alternatively, shut
down and restart the switch using its power switch (AC models) or
run/standby switch (DC models).
Table 13: Port and GBIC LEDs on the AT-8800.
LED State Function
GBIC L/A
(Link activity)
Green A 1000 Mbps link is open. The link is operating
in full duplex mode.
Flashing green 1000 Mbps full duplex activity is occurring.
Amber A 1000 Mbps link is open.
Flashing amber 1000 Mbps activity is occurring.
GBIC Green A GBIC is installed and enabled.
Amber A GBIC is installed but has not been
recognised.
Flashing amber A GBIC is installed and enabled, but a Tx fault
is occurring.
BASE-T L/A
(Link activity)
Green A 100 Mbps link is open.
Flashing green 100 Mbps activity is occurring.
Amber A 10 Mbps link is open.
Flashing amber 10 Mbps activity is occurring.
BASE-T D/C
(Duplex/collision)
Green The port is operating in full duplex mode.
Amber The port is operating in half duplex mode.
Flashing amber Collisions are occurring.
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