3com 7000 Instruccion De Instalación
52
C
HAPTER
5: P
OWER
-O
N
Figure 10 Interface Module LEDs
DS-3 Status LEDs
The DS-3 status LEDs are found on the front panel of the DS-3 piggy.
Table 13 lists the LEDs of the DS-3 piggy.
Table 13 lists the LEDs of the DS-3 piggy.
Table 11 Description of Interface Module LEDs
LED
Color
Description
Source
PWR (Power)
Green
DC power input active.
Hardware
FAIL
Red
CPU failure.
Hardware
CPU or
Watchdog
CPU or
Watchdog
ACT (Activity)
Yellow
Should blink continuously when
operational.
operational.
Software
Table 12 Description of Interface Module LEDs for Each Port
LED
Color
Description
Source
LINK STATUS
Green
ATM physical layer is connected and
has no error.
has no error.
Software
FAIL
Red
ATM interface port test failure.
Software
ACT (Activity)
Yellow
Reception and transmission of cells on
ATM link – should flash to indicate
traffic.
ATM link – should flash to indicate
traffic.
Software