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JC-IO USERS MANUAL EM-9044-B
1.6 Component Identification
Status Indicator LED
Miniature Jack Connector for DLCFG
RJ-45 Connector for Ethernet
DPLX
LNK
POWER
RUN
COM
ERROR
CFG
Connector for Power Supply (Exc. supply),
RUN Contact Output
Ethernet Indicator LED
Figure 1. External view
■
STATUS INDICATOR LED
LED
COLOR
FUNCTION
POWER
Green
ON at device operating normally
Blinking at Ethernet LINK error
Blinking before obtaining DHCP address
SD CARD
Green
ON at normal operation
Blinking at remote I/O communication error
COM
Green
Blinking at communication
(except Modbus/TCP & SLMP)
ERROR
Red
ON at CPU error
■
Ethernet INDICATOR LED
LED
COLOR
FUNCTION
DPLX
Green
ON with full-duplex communication
LNK
Yellow
ON at LINK is established
