User's Manual

PCBA Indicators High Power Wideband Radio Head (WRH-V)
2-2 044-05251 Rev A
Figure 2-2 shows the LED indicators located on the ALI or RCI, the CU PCBAs, the 115/220V main power
switch (S) in the cabinet, and the voltage indicator (V). These indicators are described in further detail in the
following sections.
PCBA Indicators
This following paragraphs describe the LED indicators on the main PCBAs inside the WRH.
CU PCBA
Figure 2-3 shows the location of the LEDs on the CU and Table 2-1 lists their indications.
Figure 2-3 CU PCBA Indicators
Table 2-1 CU PCBA LED Indicators
LED Description
WLI Wire Line Interface. A flashing green LED indicates the unit is receiving
data over the subcarrier. A steady green LED indicates: the unit is
currently not receiving any data, is currently not a control station or there
is no other node in the network
DATA Blue LED indicating data transmission in the W-net
POWER Yellow LED indicating present power and remains steady after power is
switched on
BOOT Steady red LED when the CU boots (10 – 15 seconds after main power is
switched on), then flashing red (5 – 10 seconds), then off if no error is
detected. If an error is detected LED will stay on
FAULT Flashing red LED for 15 – 20 seconds after main power is switched on.
Flashes for less serious alarms (Error) and is on solid for fatal alarms
(Critical)
OPER Steady green LED indicates WRH-V is ready for operation
WARNING: A lithium battery is permanently mounted on the CU PCBA. Due to risk of
explosion, this battery must not be removed. In case of battery malfunction, replace the
CU PCB.
WLI DATA POWER BOOT FAULT OPER