RF Window Co., Ltd.
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ICS Repeater ICS-W0837B User Manual
ICS-
F0837 User manual/Confidential & Proprietary
7. Once Attenuator. is restored, this routine ends
.
6.4. Auto Recovery
6.4.1. Objective
To restore Dual HPA when the down link path of Dual HPA is shutdown (S/W based
Recovery feature).
6.4.2. Procedure
1. When Dual HPA is shutdown caused by over power until Down Link Path is in service
normally, CPU (in ICM) detects HPA shutdown and checks Down Link input level as
well as the gain right before the shutdown.
2. Dual HPA(in Down Link Path) Shutdown condition on Re-Check
1.
When “Down Link Input Level” + “Gain right before Shutdown”
≥
System output
power + 1dBm
¾
“Over Power” Alarm on
9
Recovery Condition
2.
When “Down Link Input Level” + “Gain right before Shutdown”
≤
System output
power
¾
Over Power Alarm off
6.5. Up Link Auto Shutdown Mode
6.5.1. Objective
To reduce unnecessary Up Link output power so that it minimizes influence to Base
Station
6.5.2. Procedure
1. It is operated by Auto Shutdown mode
2. If Down Link output power is OFF, then it turns off Up Link output power (except
turning off by user)
3. When Up Link output power is OFF, it executes Amp Off alarm and reports Reason
4. If Down Link output power is ON by Auto Recovery feature, then Up Link output
power is ON as well
