Citizen IF1-EFX1 - Understanding LED Status Indicators

2 Network Settings and Operation
18
3-5. Display status by LED
(Diagram shows a typical example. There are interface boards where the positioning of LEDs differs,
but the order from left to right is the same.)
Green Yellow Green Red
① Ethernet transmission speed indicator
Transmission speed
LED (green)
100 Mbps
On
10 Mbps / Disconnected
Off
② Ethernet connection/transmission status indicator
Connection status
LED (yellow)
Connected
On
Disconnected
Off
Transmitting data
Flashing
③ LAN status indicator
Connection Status LED (green) LED (red) Description
Printer disconnected Off - Not connected to printer.
Printer
connection
Network: disconnected On Off Connected to printer.
Ethernet connecting On
Flashing
(1-second cycle)
Seeking IP address from DHCP server via
Ethernet.
Ethernet working On On Network operation via Ethernet.
Resource error Alternating blinking (1-second cycle) The interface board is malfunctioning.
System error Alternating blinking (0.2-second cycle) The interface board is malfunctioning.
10/100BASE