ASL INTERCOM VAR8 Product Description page 42

Inputs 7 to 8
•
7 way terminal block (5 mm).
•
Can be used for Paging Microphone, Single Button Microphone, or
Miscellaneous Input.
Signal
DXP
DXN
0V
IN+
IN−
V+
V+NB
Music Input
•
2 way terminal block (5 mm).
•
Mono audio input, typically for background music routing. Can also
be used for a Miscellaneous Input.
Signal
GND
IN+
VAR8 and Variants - Product Description
Microphone Data+ (EIA RS485 19200 baud)
Microphone Data− (EIA RS485 19200 baud)
0 V supply
Balanced audio input +VE
Max. Sensitivity: −20 dBu
Level: 0 dBu
As above but −VE connection
+V supply (18-36 V)
Unused
Ground
Unbalanced audio input. Suitable for 1 V to 2 V RMS sources.
Input impedance: 5 kΩ
Issue: 02 complete, approved
Page 42 of 54
Description
Input Impedance: 10 kΩ
VAR8
Description
VAR8