Commissioning; Mcu Led Indicators; Equipment Power-Up; Fig 8: Location Of Mcu And Led - Comba Telecom RF-9122 Equipment Manual

EQUIPMENT MANUAL FOR RF-9122 GSM900-GSM1800 FSR

4 COMMISSIONING

4.1 MCU LED INDICATORS

Four diagnostic LED are located on the distribution board, each indicates the status of a particular
function:
Identifier Colour
H1 Red
H2 Red
H3 Green
H4 Red
- MCU resumes operation mode
Following initialization, the LED will flash simultaneously for 60sec, and then remain OFF. At this
point, the MCU is under normal operation mode.

4.2 EQUIPMENT POWER-UP

Before applying power, check that the expected voltage, current, and power levels do not violate any
ratings. Double check all connections before applying power. Do not manipulate circuits or make
changes when power applied.
RF-9122T18 QE
ENU Status : 1-0-0
Online programming.This will flash when users read, set or download
files via OMT.
Warning LED. ON= alarm condition, OFF = no alarm
MCU Operation; Flash at a rate of 1flash/sec. Any other flashing rate
indicates MCU is faulty and has to be replaced
Wireless modem status. During normal operation, it is OFF, while
ON, it's indicating faulty wireless modem and no communication will
take place.
Table 7: MCU LED

Fig 8: Location of MCU and LED

Copyright - refer to title page
Indication
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