Fanuc Power Mate i-D/H Maintenance Manual

B63175EN/03
2. HARDWARE
133
NOTE
Refer to Technical report FANUC HIGH SPEED SERIAL
BUS TYPE 2 CONNECTING AND MAINTENANCE
MANUAL (A73527E) for details.
Name Printedcircuit board specification
Highspeed serial bus (HSSB) board A20B80010730
Connector for
connection with
the backpanel,
JNA
LED B
LED A
LED 4
LED 3
LED 2
LED 1
Highspeed
serial bus
setting
switch, SW1
Highspeed serial bus
(HSSB) connector,
COP7
Name Color Meaning Required action
LED B Red HSSBbased
communication has been
interrupted.
If this LED is on:
1) Check the HSSB cable.
2) Check the PC or intelligent
terminal status.
3) Replace the board.
LED A Red A RAM parity alarm
condition has occurred in the
common RAM on the board.
If this LED is on, replace the
board though the alarm can
sometimes be released by
turning the power off then on.
LED 4
LED 3
LED 2
LED 1
Green Status display (see below)
2.3.8
Highspeed Serial Bus
(HSSB) Board
D Specification
D Connector and LED
locations

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