Citizen CT-S4500 User Manual page 41

LED Functions
The tables below explain how to interpret LED indications.
1 2
Ethernet
1. Wired LAN transmission speed
Transmission speed
100 Mbps
10 Mbps/Not connected
2. Wired LAN connection/transmission status
Connection status
Connected
Not connected
Data transmission in
progress
3. Wired/Wireless LAN status
Connection status
No printer connection
Printer No network con-
connec- nection
tion
Connected by wired
LAN
Wired LAN operation
Connected by wire-
less LAN *
Wireless LAN opera-
tion *
Resource error
System error
*: Only when using wireless LAN
3 1 2
LED (green)
Lit
Unlit
LED (yellow)
Lit
Unlit
Flashing
LED (green)
Unlit
Lit
Lit
Lit
Flashing
(2-second
cycle)
Flashing
(2-second
cycle)
Alternate flashing
(1-second cycle)
Alternate flashing
(0.2-second cycle)
3
Wireless LAN
LED (red)
— Board is not connected with a printer.
Unlit Board is connected with a printer.
Flashing Getting an IP address from the DHCP
(1-second server over wired LAN.
cycle)
Lit Network operation being performed over
wired LAN.
Flashing Connecting to an access point or getting
(1-second an IP address from the DHCP server over
cycle) wireless LAN.
Lit Network operation being performed over
wireless LAN.
Board is unable to operate normally.
Board is unable to operate normally.
41
— —
1 2 3
Ethernet
USB host model
Description