USER MANUAL FOR RX-8139
ENU STATUS : 1-0-0
Copyright - refer to title page
Page 19
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 the power cable is correctly
and securely connected, including grounding wire, RF cable and optical cable.
•
Check grounding connection and verify that the ground resistance is less than 5
Ω
.
•
Connect the equipment to the PC installed with OMT software.
•
Check antenna system return loss which working frequency band return loss should less than -14dB
(VSWR < 1.5)
•
The online commissioning can be commenced with following the commissioning steps.
4.2
MCU LED INDICATORS
Three diagnostic LEDs are located on integrated module; each indicates the status of a particular
function:
LED_ALARM
LED_MODEM
LED_RUN
Figure 7
:
LEDs
Table 3: LED Indicators
Identifier
Colour
Indication
LED_RUN Green
Operation indicator – Flashes once every second to
indicate normal system operation.
LED_ALARM
Red
Alarm indicator. ON = alarm; OFF = no alarm
LED_MODEM Red N/A
