ZyXEL Communications ZyXEL Dimension ES-4024 - Manual (Page 47)

ES-4024A User’s Guide
46 Chapter 3 Hardware Overview
3.4 Stacking Scenario Examples
Use Ethernet cables when stacking the switches. See the following figures for example
stacking scenarios using the stacking module. The switches must form a closed ring in all
scenarios.
Figure 15 Stacking Example 1
100/1000 Green On The link to a 1000 Mbps Ethernet network is up.
Amber On The link to a 100 Mbps Ethernet network is up.
Off The link to an Ethernet network is down.
ACT Green Blinking The port is receiving or transmitting data.
On The port has a connection to an Ethernet network but not
receiving or transmitting data.
Off The link to an Ethernet network is down.
LNK (mini
GBIC
Slots)
Green On The port has a successful connection.
Off No Ethernet device is connected to this port.
ACT(mini
GBIC
Slots)
Green Blinking The port is sending or receiving data.
Off The port is not sending or receiving data.
Table 2 Front Panel LEDs (continued)
LED COLOR STATUS DESCRIPTION