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SCP Card LEDs
The following table describes the meaning and states of the LEDs on the Hotwire
SCP card faceplate. Example faceplates are shown at left.
TX
RX
SCP-DS3
SCP-OC3
8411
8412
03-17464
03-17420
8
Type
LED
SYSTEM
Active
Standby
Alarm
Test
ETHERNET TX
RX
UPLINK
LK1
or
LK1–LK8
SCP-IMA
8417
03-17421
October 2003
LED is . . .
Indicating . . .
Green,
This SCP card is the active card
Slow-cycling
and is functioning normally.
Slow-cycling describes a recurring
pulse when the LED is on longer
than off at a ratio of approximately
10:1.
Green, On
SCP card failure. System
processing functions have stopped.
Off
No power to card, or this is the
standby SCP card.
Green,
This SCP card is the standby card
Slow-cycling
and is functioning normally.
Slow-cycling describes a recurring
pulse when the LED is on longer
than off at a ratio of approximately
10:1.
Green, On
SCP card failure. System
processing functions have stopped.
Off
No power to card, or this is the
active SCP card.
Yellow
Alarm is present on the SCP card.
Off
No alarms.
Yellow
Test in progress.
Off
No tests.
Green,
Data is being transmitted.
Blinking
Off
Inactive.
Green,
Data is being received.
Blinking
Off
Inactive.
Green
The link is active.
Yellow
The link is in an alarm state.
Off
The link is disabled.
8400-A2-GZ40-10
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