Table 351 ntak09 led states – Nortel Networks Circuit Card 311 User Manual
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862
NTAK09 1.5 Mb DTI/PRI card
LED
State
Definition
Off
An alarm state or loopback state exists, or the card has been
disabled. See the other faceplate LEDs for more information.
RED
On (Red)
A red-alarm state has been detected.
Off
No red alarm.
YEL
On (Yellow)
A yellow alarm state has been detected.
Off
No yellow alarm.
LBK
On (Green)
NTAK09 is in loop-back mode.
Off
NTAK09 is not in loop-back mode.
The DTI/PRI card uses a standard IPEsized (9.5" by 12.5"), multilayer
printed circuit board with buried power and ground layers. It is keyed
to prevent insertion in slot 10. The clock controller and D-channel
daughterboards are fastened by standoffs and connectors.
The NTAK09 DTI/PRI card has seven faceplate LEDs. The first five
LEDs are associated with the NTAK09 card, the remaining two LEDs are
associated with the clock controller and DCHI daughterboards.
In general, the first five LEDs operate as follows:
•
During system power up, the LEDs are on.
•
When the self-test is in progress, the LEDs flash on and off three times,
then go into their appropriate states, as shown in
Table 351
NTAK09 LED states
LED
State
Definition
DIS
On (Red)
The NTAK09 circuit card is disabled.
Off
The NTAK09 is not in a disabled state.
ACT
On (Green)
The NTAK09 circuit card is in an active state. No alarm states exist,
the card is not disabled, nor is it in a loopback state.
Off
An alarm state or loopback state exists, or the card has been
disabled. See the other faceplate LEDs for more information.
RED
On (Red)
A red-alarm state has been detected.
Off
No red alarm.
YEL
On (Yellow)
A yellow alarm state has been detected.
Off
No yellow alarm.
LBK
On (Green)
NTAK09 is in loop-back mode.
Off
NTAK09 is not in loop-back mode.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311
01.04
Standard
Release 5.0
23 May 2008
Copyright © 2003-2008, Nortel Networks
.