Hacousto Holland bv
Industrieweg 87
2651BC Berkel & Rodenrijs
IMPACT reference system manual (Typical )
Author:
DD
Design revision:
2.0
4.4.11.
Connections and recommended cable types
How
many
Connector
type
Signal type
Additional
information
Recommended cable
(minimum)
Max. length
Analog audio in
2
pluggable
screw
terminal
block
3.5 mm
Analog
balanced
mono audio,
0dBu
n/a
Balanced shielded
microphone cable, typ. 2 x
0.25mm
2
100m
EVAC in
16
Pull-down
input with fault
detection
(open/short)
EOL resistors
10kΩ + 4.7kΩ
in series
Depends on length, typ.
N x 0.75~1.5mm2 (N –
number of individual
triggering signals from / to
fire detection system)
1000m
EVAC / FAULT/
RESET out
3
Potential-free
relay output
n/a
1000m
GPO
8
Open collector
output
n/a
Depends on length, typ.
N x 0.75~1.5mm2 (N –
number of individual
triggering signals to external
devices)
1000m
AMP LINK port
1
RJ-45
Line level
analog audio +
RS485 data
UTP CAT5e
10m
G-Net port
2
Full duplex RS-
422
Redundant ring
with power
delivery
FTP CAT5e crossover
250m
(to next
device)
L-Net port
3
Daisy chain
with power
delivery
250m
(total length)
