Mitsubishi Electric Melsec QJ71LP21 Reference Manual page 112

4 SETUP AND PROCEDURES BEFORE STARTING THE OPERATION
MODE
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(3) Mode setting switch
Used to set the mode of the network module. (Factory default: 0)
Set the mode setting switches in the same position on all network modules.
Setting
0 Online (The mode selected by the network parameter will be enabled.)
1 Self-loopback test
2 Internal self-loopback test
3 Hardware test
4 to F Use prohibited
(4) Coaxial connector
An F-type connector for a coaxial cable is connected. (Refer to Section 4.6.2.)
(5) Serial number display
This display indicates the serial number of the rating plate.
MELSEC-Q
Description
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