USER MANUAL FOR COMFLEX-4500 5W
ENU STATUS : 1-0-0
Copyright - refer to title page
Page 39
4 COMMISSIONING
4.1
PRE-COMMISSIONING TASKS
After equipment installation, perform the following steps before equipment powering and commissioning,
check that the expected voltage, current, and power levels do not violate any ratings. Double check all
connections including ground before applying power. Do not manipulate circuits or make changes when
power is applied:
Visually inspect the power connection within the equipment. Ensure that all cables are correctly and
securely connected, including power cables, grounding wires, RF cables and optical cables.
Check grounding connection and verify that
the ground resistance is less than 5Ω.
Connect the equipment to the PC.
Power on MU and RU.
Monitor the initialization of the MU and RU though the LEDs on the panel. Refer to detailed LEDs
information in the next section.
4.2
LED INDICATORS
Diagnostic LEDs are located on the MU front panel and RU bottorm panel; each indicates the status of a
particular function:
Table 9: MU LED Indications
LED Indicator
Normal Status
Indication
PWR
Steady green
Power indicator. If LED is off, it indicates the
system has no power.
RUN
Flashing green
(1 time/sec)
MU operation indicator. After initialization (1~2
minutes), the LED should flash at once per sec.
(When upgrade firmware, LED will flash rapidly)
ALM
OFF
Alarm indicator. If LED is RED, there is an
alarm.
OP
Steady green
Located on Fiber Optical Unit (FOU), it is an
indicator for receive optical power. If LED is off,
it indicates the receiving optical power is less
than -10dBm.
Table 10: RU LED Indications
LED Indicator
Normal Status
Indication
PWR
Steady green
Power indicator. If LED is off, it indicates the
system has no power.
RUN
Flashing green
(1 time/sec)
RU operation indicator. After initialization (1~2
minutes), the LED will flash once per sec. (When
upgrade firmware, LED will flash rapidly)
ALM
off
Alarm indicator. If LED is RED, there is an alarm.
OP
Steady green
Located on Fiber Optical Unit (FOU), it is an
indicator of Receiving optical power. If LED is off,
it indicates the receiving optical power is less
than -10dBm.