T1 interface status, T1 status t1 loop net. off lcl – ADC ICX-250 User Manual
Page 66

LED Indicators
ICX-250 Diagnostics 63
Issue 1, September 1998
ADCP-62-023
© 1998, ADC Telecommunications, Inc.
T1 Interface Status -
(tri-color LED)
ICX-250 - Front Panel
ICX-250
1 3 5 7 9 11 13 15 17 19 21 23
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 / 2
Off / QRSS
T1 Status
T1 Loop
Test Pattern
Test Pattern
T1 T
est
Self Check
11284-A
OFF: Red Alarm
Indicates a loss of signal on the
receive side of the T1.
YELLOW: Yellow Alarm
Indicates that the near end transmit
path is open but that the receive side
is intact.
GREEN: Normal
T1 Status
T1 Loop
Net. Off Lcl.