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Line Card Faceplate Description
In addition to its locking mechanism (Figure 3), the faceplate contains two LEDs that show you line
card activity and status, and four other LEDs that show the activity of each modem during operation.
Figure 3
1
2
3
4
5
6
Line Card LED Indicators
The Status and Active light-emitting diode (LED) indicators on the line card faceplate indicate line card
activity during operation. The faceplate also includes four modem-status LED indicators, one for each
modem in the line card. Table 2 describes LEDs on the ATUC-4DMT-ISDN line card.
Table 2
LED
Status
78-10981-01
Faceplate — ATUC-4DMT-ISDN Line Card
STATUS
ACTIVE
ATU-C 1
ATU-C 2
ATU-C 3
ATU-C 4
ATUC
-4DMT-ISDN
Line Card LEDs
Color and State
Solid green
Blinking slow green
Off
Blinking slow red
Indication
No internal faults, line card is communicating with the
NI-2 processor card.
No internal faults, line card is establishing connection
with the NI-2 processor.
This line card has not booted or is operating
improperly. (During reboot, this line card might be off
for 2 to 3 seconds.)
An internal fault has occurred or the line card cannot
boot.
Cisco ATUC-4DMT-ISDN Line Card Installation and Configuration
Line Card Faceplate Description
9
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