4 stacking scenario examples – ZyXEL Communications ES-3124PWR User Manual
Page 41

Dimension ES-3124PWR Ethernet Switch
Hardware Connections
3-7
Table 3-2 ES-3124PWR: LED Descriptions
LED COLOR
STATUS
DESCRIPTION
OFF
No device is connected to this port or the switch is not supplying power via
the Ethernet cable.
Gigabit Port
Green Blinking
ON
The system is transmitting/receiving to/from a 1000 Mbps Ethernet network.
The link to a 1000 Mbps Ethernet network is up.
Amber Blinking
ON
The system is transmitting/receiving to/from a 100 Mbps Ethernet network.
The link to a 100 Mbps Ethernet network is up.
LNK/ACT
OFF
The link to an Ethernet network is down.
FDX Amber
ON
OFF
The Gigabit port is negotiating in full-duplex mode.
The Gigabit port is negotiating in half-duplex mode and no collisions are
occurring.
GBIC Slot
LINK Green
ON
OFF
The link to this port is up.
The link to this port is not connected.
ACT
Green
Blinking This port is receiving or transmitting data
MGMT
10 Green
Blinking
ON
OFF
The system is transmitting/receiving to/from an Ethernet device.
The port is connected at 10 Mbps.
The port is not connected at 10 Mbps or to an Ethernet device.
100 Amber
Blinking
ON
OFF
The system is transmitting/receiving to/from an Ethernet device.
The port is connected at 100 Mbps.
The port is not connected at 100 Mbps or to an Ethernet device.
3.4 Stacking Scenario Examples
Use Ethernet cables when stacking the switches. See the following figures for example stacking scenarios using the
stacking ports. The switches must form a closed ring in all scenarios.