ASL INTERCOM VAR8 Installation Guide

VAR8 / Variants - Installation Guide
2 Connections
Network Interface Upstream
Signal Description
GND GND ISO. Connection for cable screen.
DXP EIA RS485 38400 bits per second (+).
DXN EIA RS485 38400 bits per second (-).
BUS1+ Audio bus Loop 1 (+20dBu Analogue audio).
BUS1−
Audio bus Loop 1.
BUS2+ Audio bus Loop 2 (+20dBu Analogue audio).
BUS2−
Audio bus Loop 2.
BUS3+ Audio bus Loop 3 (+20dBu Analogue audio).
BUS3−
Audio bus Loop 3.
L Cabling connector: 9 way female clamp terminal (CAMDEN CTB92HE/9)
Network Interface Downstream
Signal Description
SCRN Connection for cable screen.
DXP EIA RS485 38400 bits per second (+).
DXN EIA RS485 38400 bits per second (-).
BUS1+ Audio bus Loop 1 (+20dBu Analogue audio).
BUS1−
Audio bus Loop 1.
BUS2+ Audio bus Loop 2 (+20dBu Analogue audio).
BUS2−
Audio bus Loop 2.
BUS3+ Audio bus Loop 3 (+20dBu Analogue audio).
BUS3−
Audio bus Loop 3.
L Cabling connector: 9 way female clamp terminal (CAMDEN CTB92HE/9)
Audio Inputs 1 and 2
Signal Description
DXP EIA RS485 19200 baud (+).
DXN EIA RS485 19200 baud (-).
0V 0V supply.
IN+
Balanced Audio Input 0dBu Max. Sensitivity: −20dBu Impedance: 10kΩ
IN−
As above.
V+ +V supply (18-36V).
PTT− Press To Talk switch input (internally pulled up to +5V by 4k7Ω).
PTT+
Press To Talk switch input (internally pulled up to +5V by 4k7Ω).
ACO Open collector drive, 100mA max. All Call Only LED.
SN Open collector drive, 100mA max. Speak Now LED.
L Cabling connector: 10 way terminal block (METWAY 120A11110)
Issue: 01 complete, approved
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ASL INTERCOM VAR8 Specifications

General

Brand	ASL INTERCOM
Model	VAR8
Category	Controller
Language	English