LEDS:
The device has ot six LEDs that are used to ive information of the functionin status.
The various meanin s of the LEDs are described in the table below.
LED Normal Mode Boot Mode
1: ON [supply volta e ]
( reen)
ON: Device powered
OFF: Device not powered
ON: Device powered
OFF: Device not powered
2: MT [maintenance display]
(yellow)
ON: Maintenance Problem is present
OFF: No maintenance are present
Blinks quickly: Boot state
Blinks very slowly (~0.5Hz): update in pro ress
3: BF [bus fault] (red)
ON: The Ethernet connection is defective; the IP
address exists several times in the network; the own
NameOfStation exists several times in the network; no
IP address has been set
Flashing: At least one confi ured AR is no lon er in
the data exchan e
OFF: No errors are present
Blinks quickly: Boot state
Blinks very slowly (~0.5Hz): update in pro ress
4: SF [ roup error] (red) ON: At least one AR is not in the data exchan e
OFF: No errors are present
Blinks quickly: Boot state
Blinks very slowly (~0.5Hz): update in pro ress
5: Ethernet1 Tx ( reen) Blinks when is transmittin Ethernet frames Blinks quickly: Boot state
Blinks very slowly (~0.5Hz): update in pro ress
6: Ethernet2 Tx ( reen) Blinks when is transmittin Ethernet frames Blinks quickly: Boot state
Blinks very slowly (~0.5Hz): update in pro ress
