Huawei MC509 Series Hardware Manual page 31

HUAWEI MC509 Series CDMA LGA Module
Hardware Guide
Blinking Fast
Figure 3-9 Status when the indictor blinks fast
Light on
Light off
Blinking Twice Each Time
Figure 3-10 Status when the indictor blinks twice each time
Light on
Light off
External Circuits
Figure 3-11 shows the recommended circuits of the LED_MODE and LED_STATUS
pins. According to LED feature, you can adjust the LED brightness by adjusting the
impedance of resistor R.
Issue 02 (2013-05-06)
100 ms
1 cycle: 200 ms
100 ms 100 ms 100 ms
1 cycle: 3 s
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Description of the Application Interfaces
31