24
Nomenclature and Functions Section 1-6
Note The Ethernet address can also be checked using the FINS command, CON-
TROLLER DATA READ. For details, refer to 7-3-2 CONTROLLER DATA
READ on page 160.
CJ-series Ethernet Units
CJ1W-ETN21 (100Base-TX)
Note An IP address label is provided with the Unit. Writing the IP address and the
subnet mask on this label and then attaching it to the front of the Unit allows
the IP address and subnet mask to be easily confirmed.
×16
0
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
Front
Indicators
Unit Number Switch
Display the operating status of the Unit.
Node Number Switches
Ethernet Connector
Used to connect the Ethernet twisted-pair cable.
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
UNIT
No.
RUN
ETN21
ERC SD RD
ERH TCP FTP HOST
100BASE-TX
10BASE-T
0
1
2
3
4
5
6
7
8
9
A
B
C
E
F
NODE
No.
×16
1
Mounting Pin for DIN Track
Used when mounting the Unit to DIN Track.
Slider
For mounting to other Units.
Slider
For mounting to other Units.
100M
LNK
Used to set the Ethernet Unit's unit
number in one digit hexadecimal.
Used to set the Ethernet Unit's FINS
node number in two digits hexadecimal.
