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Nomenclature and Functions Section 2-2
Indicators A EtherNet/IP Units or built-in EtherNet/IP port is equipped with the following
indicators that indicate the operating status of the node itself and the overall
network.
CS1W-EIP21
CJ1W-EIP21, CJ2H-CPU@@-EIP, and CJ2M-CPU3@
Status Indicators: MS, NS,
COMM, 100M, and 10M
The MS (Module Status) indicator indicates the status of the node itself and
the NS (Network Status) indicator indicates the status of the network.
The COMM, 100M, and 10M indicators indicate the status of Ethernet com-
munications.
The MS and NS indicators can be green or red. The COMM, 100M, and 10M
indicators are yellow. These indicators can be lit, flashing, or not lit. The fol-
lowing table shows the meaning of these indicator conditions.
Refer to SECTION 14 Troubleshooting and Error Processing for details on
using these indicators for troubleshooting.
IP ADDRESS
SUBNET MASK
192.168.250.1
255.255.255.0
Example label
UNIT
No.
EIP21
NODE
No.
x16
0
x16
1
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
MS
NS
100M
10M
COMM
100BASE-TX
10BASE-T
IP ADDRESS
SUBNET MASK
192.168.250.1
255.255.255.0
Affix the label on the front of the
EtherNet/IP Unit, between the
node address switches and the
Ethernet connector.
EIP21
MS
NS
COMM
100M
10M
EIP
21
MS
NS
100M
10M
COMM