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4. Monitoring the Unit
8776-A2-GB20-40
February 2001
4-15
Front Panel LEDs
The following table describes the meaning and states of the LEDs on the
faceplate.
Type
LED
LED is . . .*
Indicating . . .
SYSTEM
OK
(Green)
On
Off
Slow Cycling
Pulsing
Device failure; system processing has
stopped.
No power is being delivered to the card.
Unit is in minimum mode and a download
is required.
Normal operation.
Alrm
(Amber)
On
Off
Device failure, or the Power-On Self-Test
(POST) has failed.
No alarms.
Test
(Amber)
On
Slow cycling
Off
Loopback test or 511 test pattern is
in progress.
POST is in progress.
No tests are active.
G.703
1, 2, 3, 4
(Green)
On
Slow cycling
Fast cycling
Off
Recoverable signal is present on the
G.703 interface.
Remote Alarm Indication (RAI) is present.
An OOF, LOF, EER, or AIS condition
exists.
No signal is detected on the interface.
DSL PORT
1, 2, 3, 4
(Green)
On
Slow cycling
Fast cycling
Off
DSL link is up.
DSL training is in progress.
OOF condition exists.
DSL link is down.
*
Slow Cycling: LED turns off and on in equal duration once per second.
Fast Cycling: LED turns off and on in equal duration 5 times per second.
Pulsing: LED turns off momentarily once per second.
4
TDM
SDSL
8776
SYSTEM
OK
Alrm
Test
1
2
3
1
2
3
G.703
DSL
POR
T
4
00-16041-02
Содержание Hotwire 8776
Страница 24: ...2 Using the Asynchronous Terminal Interface 2 10 February 2001 8776 A2 GB20 40...
Страница 52: ...4 Monitoring the Unit 4 16 February 2001 8776 A2 GB20 40...
Страница 62: ...5 Testing 5 10 February 2001 8776 A2 GB20 40...
Страница 68: ...6 Messages and Troubleshooting 6 6 February 2001 8776 A2 GB20 40...
Страница 98: ...B Standards Compliance for SNMP Traps B 6 February 2001 8776 A2 GB20 40...
Страница 102: ...D Technical Specifications D 2 February 2001 8776 A2 GB20 40...
Страница 112: ...Index IN 6 February 2001 8776 A2 GB20 40...