Omron SYSMAC CS1W-ETN21 Operation Manual page 51

Nomenclature and Functions
Indicator
RUN
100M
(Transfer speed)
ERC
(Ethernet Unit error)
ERH
(CPU Unit error)
SD
(Send Data)
RD
(Receive Data)
LNK
(Link status)
TCP
(TCP socket in use)
FTP
(FTP Server Service)
HOST
(Server connection sta-
tus)
26
Color Status
Green Not lit
Lit
Green Not lit
Lit
Red Not lit
Lit
Red Not lit
Lit
Flashing
Yellow Not lit
Lit
Yellow Not lit
Lit
Yellow Not lit
Lit
Yellow Not lit
Lit
Yellow Not lit
Lit
Yellow Not lit
Flashing
Lit
Operation stopped
Hardware error
Normal operation
10 Mbps (10Base-T)
100 Mbps (100Base-TX)
Unit normal
Node address not between 1 and 254
A hardware (e.g., internal memory) error has occurred.
CPU Unit normal
An error has occurred at the CPU Unit.
There is an error in the I/O table, unit number, unit setup, or routing
table settings.
An illegal IP address has been set. With automatic address gener-
ation, the rightmost two digits of the IP address do not match the
node address.
Not sending data (ready to send)
Sending data
Not receiving data (ready to receive)
Receiving data
Link not established between hubs.
Link established between hubs.
None of the eight TCP sockets provided for socket services is in
use.
At least one of the eight TCP sockets provided for socket services
is in use.
FTP server on standby.
FTP server operating (one user connected).
Server (DNS, SMTP, POP3, or SNTP) not being used.
An error has occurred in the server connection.
The server connection is normal.
Section 1-6
Meaning