Nokia 6800 Series - Manual (Page 56)

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