46210/46220-0998 <90-00036> PAGE 25
OPERATION
T
he 46210/46220 has five LEDs (refer to Fig. 19):
♦ POWER - Lights when the unit has power.
♦ ALARM - Lights when the fuse fails.
♦ uP LED - Blinks when the microprocessor is operating.
♦ MSTR - Blinks green when the master port is receiving data
and red when it is transmitting data.
♦ AUX - Blinks green when the auxiliary port is receiving data
and red when it is transmitting data.
FIG. 19 - FRONT PANEL LEDS
462xx-xx REV ____
WARNING:
REMOVE fuse
before removing
or inserting module
Use wrist strap
ESD SENSITIVE DEVICE
POWER
ALARM
uP LED
MSTR
AUX
GREEN = RCV
RED = XMT
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