
B--63005EN/02
3. STAND--ALONE TYPE i SERIES HARDWARE
327
D Status LED display (green)
Status
LED1 Lit when the board is released from the reset state and starts
operating.
LED2 Lit when communication starts. This LED is left on until a reset
occurs.
LED3 Lit each time transmission is performed. (Actually, this LED
appears to be lit continuously.)
LED4 Reserved
D Alarm LED display (red)
Status
LED1 Lit when the board is released from the reset state and starts
operating.
LEDA Lit if any of the following errors is detected when data is re-
ceived. This LED goes off when normal data is received next.
∙ Reception buffer overflow
∙ Fractional bit data detection
∙ Overrun error detection
∙ CRC error detection
∙ Abort error detection
LEDB Lit when a parity alarm occurs in the DRAM on this board.
This pin is used to set the I/O Link--II board as the master or slave.
Item Code
Ethernet board A20B--8100--0450
D LED display
D Setting pin SH1
3.4.8
Ethernet Board
D Specifications