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 6800/7000 Series - Distribution and Routing Products Installation and Operation Manual
29
Controls, Indicators, and Jumpers
 Chapter 3: EDH-6800-2 EDH Detection/Insertion Serial Distribution Amplifier Module
Alarm
Alarm indication. 
This LED lights when errors are detected in the input 
digital video data. The type of error that triggers this LED is 
configured by the FF/AP jumper. 
AP_ERR
Active Picture CRC Error Indication (see page 30).
The Active Picture Error LED lights when input digital 
video errors are detected only in the active picture region.
FF_Err
Full field crc error indication.
The Full Field Error LED lights when input digital video 
errors are detected anywhere in the field, including AP, 
ANC, vertical blanking interval, and horizontal blanking 
interval regions.
CSUM_Err
Checksum error indication.
The Checksum Error LED lights to indicate an input EDH 
packet checksum error.
D18
Service-micro controller status indication (normally off).
The Service LED blinks when the module is powered up, 
but remains off during normal operation.
If the LED is continuously on, or blinking, there is the 
possibility of hardware failure. The LED remains on when 
the Service switch (SW2) is pressed.
LED
Description