User's Manual Part 3

iDEN MINI
User’s Manual -40-
6. Glossary
6.1 ALC (Automatic Level Control)
* ALC feature prevents the repeater from exceeding its maximum output power,
by reducing the gain automatically.
ALC is used to adjust the gain to an appropriate level for a range of input signal
levels.
[ Example]
[ For the repeater with 30dBm Maximum Output power, 80dB Maximum Gain / 30dB
Gain control range, ->
If input signal is -30Bm and ALC is set as 30dBm, the gain will be 60dB to adjust to
the level.
If input signal is -55dBm, the output power will be 25dBm by the limitation of the
maximum gain even though the ALC is set as 30dBm.]
6.2 ASD (Automatic Shutdown)
* Automatic shut down protects the repeater itself from the oscillation or excessive
input signal and eliminates any degradation to the network.
There are three parameters, ASD_LEVEL, ASD_TI ME and ASD_COUNT.
If the output power gets higher than “ASD_LEVEL”, the repeater will shut down for
“ASD_TIME” time and then turn the amp back on and measure the output power
again. I f this repeats “ASD_COUNT” times, the repeater will shut down completely.
[ Example]
[ For the repeater with 30dBm Maximum Output power, 80dB Maximum Gain / 30dB
Gain control range,
Assuming ASD_ LEVEL: 35dBm, ASD_TIME: 3sec, ASD_COUNT: 3
If the output power is 35dBm [ ASD_LEVEL] and higher for some reasons,
the repeater will have shut down for 3 seconds [ ASD_TIME] . If this repeats 3 times
[ ASD_COUNT] , the repeater will shut down completely.]