Setting Jumper - OSEE ADC6820N User Manual

Setting Jumper

There exist four 3-pin jumpers, and the following table gives their definition.
Item
JP15
LOCAL/FRAME.
JP17（TERMINATION）
ON/OFF
Only valid for DATA IN（refer
to Tab. 1-2）
JP19
REF/COMP
JP20
DARS/BB
JP13，JP14
BAL/UNBAL
JP16
DATA/ SDI
JP18
(LOC/RMT)/LOCAL
JP1, JP2, JP3, JP4, JP5, JP6,
JP7, JP8, JP9, JP10, JP11, JP12
Tab. 2-4 gives an example for jumper-setting:
Item
Choose a common
signal provided by 6800N Frame
Choose a synchronized
provided by back connector
DC6820NXX AUDIO A/D CONVERTER
Tab. 2-3 Description of ADC6820Nxx Jumpers
Description
LOCAL: a external synchronized signal input
FRAME: The synchronized signal is provided by 6800 Frame
the default setting is local
When setting JP17 at ON, you need to connect BNC with 75Ω
termination.
When setting JP17 at OFF, you need not to connect BNC with
75Ω termination.
the default setting is on.
REF: synchronized signal input
COMP: reserved
you must set JP19 at REF (Please don't change the default
setting).
DARS: AES/EBU digital audio synchronized signal input
BB: analog black burst synchronized signal input
BAL: AES/EBU balanced digital audio synchronized input
UNBAL: AES/EBU unbalanced digital audio synchronized
input
DATA: audio tracking signal input
SDI: reserved
you must set JP16 at DATA (Please don't change the default
setting).
LOCAL: local control
LOC/RMT: local and remote control
used to choose control mode, the default setting is LOC/RMT.
Select the gain of audio outputs
16dB~28dB adjustable.
When jumpers JP1~JP12 is unconnected, the gain is 16dB.
Tab. 2-4 Setting a Synchronized Signal Input via Jumpers
Description
synchronized Set JP15 at FRAME
signal Set JP15 at LOCAL, JP19 at REF, and JP20 at BB
- 8 -
USER MANUAL