8
1.4
LED status
Each LED indicates the operating status of the option unit and network according to the indication status.
0
9
8
7
6
5
4
3
2
1
X10
SW1
0
9
8
7
6
5
4
3
2
1
X1
SW2
D1 D2
D3 D4
FR-A7NF
D1 D2
S
D3 D4
D1: Communication set status LED (CHG)
D2: Device status LED (DEV)
D3: Reception/transmission LED (TX/RX)
D4: Remote status LED (RMT)
Summary of Contents for FR-F740-01160-EC
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