pro bel 4407, Техническое руководство

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4407
8 Issue 2
3 Configuration
The 4407 may be configured for different input and RS485 comms termination
values and audio modify options. When placed under RS485 remote control, a
unique multi-drop address may be selected.
3.1 Selecting reference termination
options
The jumpers to select AES input termination are located on the main 4407 module.
The available options are explained in the following table:
AES input termination modes
PL3 settings (4407) Description
UNBAL Use for unbalanced signal – requires K4407-3U rear
panel
75R Use with unbalanced input to terminate signal with
75
W
BRIDGE Selects high impedance termination (Hi-Z)
BAL Use with balanced input – requires K4407-2B rear
panel
110R Use with balanced inputs to terminate signal with
110
W
Input termination
jumpers
INPUT A
U
N
B
A
L
7
5
R
B
R
ID
G
E
BA
L
1
1
0
R
PL
3
REF I/P
PL
5
4407 termination
jumpers