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LED Indicators ICX-250 Diagnostics 61
Issue 1, September 1998 ADCP-62-023
© 1998, ADC Telecommunications, Inc.
LED Indicators
The LED indicator lights are labeled and located on the front panel of the ICX-250. The table
shown below describes the LED location and function.
ICX-250 - Front Panel
LED Function Display Status
Self Check
(Red LED)
Self Check
(see page 62)
ON:
Power-Up Self Test Failed or System Failure occurred.
BLINKING: Invalid Configuration
T1 Status
(Tri-color LED)
T1 Interface
Status
(see page 63)
RED: Red Alarm
YELLOW:
Yellow Alarm
GREEN: Normal
T1 Loop
(Yellow LED)
(see page 64) ON:
Network
BLINKING: Local
OFF: None
T1 Test Pattern
Sync (Green LED)
(see page 65) GREEN: QRSS On
OFF: No QRSS
Test Pattern Sync
(Green LED)
Data Port 1
(see page 66)
GREEN: Sync
OFF:
No Sync
Test Pattern Sync
(Green LED)
Data Port 2
(see page 67)
GREEN: Sync
OFF: No Sync
FXS N Connection
(Green LED)
FXS Channel
Status (x 24)
(see page 68)
BLINKING: Call Processing
ON:
Busy
OFF:
Idle
ICX-250
1357911131517192123
2 4 6 8 10 12 14 16 18 20 22 24
FXS Status Channel
Data Loop 2
Lcl. / Off / Net.
Data Loop 1
Lcl. / Off / Net.
T1 Loop
Net. / Off / Lcl.
1 / Off / 2Off / QRSS
T1 Status
T1 Loop
Test Pattern
Test Pattern
T1 Test
Self Check
11261-A