ZyXEL Communications GS-4012 - Manual (Page 51)

Chapter 3 Hardware Overview
GS-4012F/4024 User’s Guide
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ACT Green Blinking The port is sending or receiving data.
Off The port is not sending or receiving data or there is no
connection.
Gigabit Ethernet Ports (Part of Dual Personality Interface)
1000 Green Blinking The port is sending/receiving data.
On The link to a 10/1000 Mbps Ethernet network is up.
Off The link to a 10/1000 Mbps Ethernet network is down.
100 Amber Blinking The port is sending/receiving data.
On The link to a 100 Mbps Ethernet network is up.
Off The link to a 100 Mbps Ethernet network is down.
Table 2 LEDs (continued)
LED COLOR STATUS DESCRIPTION