User`s manual

Mediant 2000 & TP-1610 & TP-260
SIP User's Manual 30 Document #: LTRT-68805
2.2.1 TP-1610 Front Panel LED Indicators
The functionality of the front panel LEDs for the TP-1610 is described in the following four
tables and illustrated in Figure
2-2 on page 29. Note that there is a choice of front panels
according to the number of channels.
Table 2-4: Status LED Indicators
Label LED
Color
LED Function
Red Indicates gateway failure (fatal error) FAIL
-- Off indicates normal functioning
Green Gateway initialization sequence terminated OK
ACT
Yellow N/A
Table 2-5: E1/T1 Trunk Status LED Indicators
Label LED
Color
Signal Description
Green Trunk is synchronized (normal operation)
T1/E1 Status 1 to 8
and
T1/E1 Status 9 to 16
Red
Loss due to any of the following 4 signals:
 LOS Loss of Signal
 LOF (Loss of Frame)
 AIS (Alarm Indication Signal -- 'Blue alarm')
 RAI (Remote Alarm Indication -- 'Yellow alarm')
Note: On the front panel 16 LEDs are provided for 16-span units and 8 LEDs are
provided for 1-span, 2-span, 4-span, and 8-span units. In the case of 1-
span, 2-span and 4-span units, the extra LEDs are unused.
Table 2-6: Ethernet LED Indicators
Label LED
Color
LED Function
LINK Green Link all OK
ACT Yellow Transmit / receive activity
Table 2-7: cPCI LED Indicators
Label LED
Color
LED Function
PWR Green Power is supplied to the board
The cPCI board can now be removed.
SWAP READY Blue
The cPCI board was inserted successfully.
For detailed information on inserting / removing the TP-1610 board, refer
to Section
3.2.3 on page 44.
During correct operation, the ACT LED is lit green, the FAIL LED is off. Changing of the
FAIL LED to red indicates a failure.