Nevion DA-AA - Manual (Page 12)

DA-AA Rev. 6
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6 Module status
The status of the module can be monitored in three ways.
1. GYDA System Controller (optional).
2. LEDs at the front of the sub-rack.
LEDs are mounted on the module itself, whereas the GYDA System Controller is a separate
module giving detailed information on the card status. The functions of the LEDs are
described in sections 5.1. The GYDA controller is described in a separate user manual
6.1 Front panel
– status monitoring
The status of the module
can be easily monitored visually by the LED’s at the front of the
module. The LED’s are visible through the front panel. The LED on top tells if the DA-AA is
ok or not (green LED means ok
– red is alarm). The second LED gives the input signal
status.
The DA-AA has 2 LEDs each showing a status corresponding.
Table 3
Diode \ state Red LED Yellow LED Green LED No light
Status Module is faulty
Module is OK
Module power is OK Module has no
power
Input No signal present Signal present