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7.2 Transmission unit LED
The conditions for the transmission unit’s LED indicators are specified in Table
4.
The RRI transmission units incorporate an additional LED indicator for the
Flexbus interface. The conditions for this LED are presented in Table 5.
7.3 Interface unit LED
The conditions for the interface unit’s LED indicators are specified in Table 6.
Table 4. LED conditions for a transmission unit
LED colour Lit continuously Flashing
Green Power is on and the
operation is continuous and
error-free
Unit is currently being
accessed with a
transmission management
device
Yellow/ Orange Control or test ongoing, or
fault in incoming signal
Configuring, not in service
Red Serious fault, or an active
test interfering with normal
traffic
-
Table 5. LED conditions for an RRI transmission unit’s Flexbus LED.
LED Colour Lit continuously Flashing
Green DC power feed to the
outdoor unit and TX signal
active
DC power feed to outdoor
unit active, TX signal not
active
No light No power feed or TX signal -