
B–63785EN/01
2. 15i SERIES HARDWARE
131
When the data server board is activated normally, the state of No. 10 is
set. This state is maintained until an error occurs.
LED display upon the occurrence of an error (STATUS)
The STATUS LED alternately displays the LONG and SHORT patterns.
The LONG patterns are displayed long, and the SHORT patterns are
displayed short.
LED display
(STATUS)
LONG SHORT
Data server board status
4 3 2 1 4 3 2 1
J j j j j j j J
Failure in Ethernet
Reset
J j j j j j J j
board
General machine check exception,
bus error, address error, etc.
J J j j j j j J DRAM Parity
J J j j j j J j Failure in another
board
Other NMI
NOTE
If the LONG and SHORT patterns which are not listed above
are repeatedly displayed, contact FANUC.
LED display upon the occurrence of an error (alarm)
No. LED display Data server board state
1 Parity Alarm J A parity error occurred in memory on the Data server.
LED display for communication status
No. LED display Data server board state
1 RXLED J
Turned on when data is received.
2 TXLED J
Turned on when data is sent.
3 TPPIL J
Turned on when a connection with the hub is es-
tablished.
4 COLLED J
Turned on when a data collision occurs.
TPPIL : While this LED is off, communication is not being
performed. Connection to the hub may not have been made
normally. This LED will also be off when the power to the
hub is not turned on. When a connection with the hub is
established, this LED lights steadily.
COLLED : This LED lights frequently when there is a high level of
noise or traffic in Ethernet communication.
D STATUS LED display
(green) when an error
occurs