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Bosch Security Systems | 2011-02
Praesideo 3.5 | Installation and User Instructions | 4 | Amplifiers en | 165
9.6.8 Control outputs 9.6.9 Audio Bypass
9.6.10 Basic amplifier connections
Maximum cable length:
1 km
Contact type:
Relay contact, single pole, change-over contact
(SPDT)
Maximum switching power:
Refer to the graph.
Off state (unpowered):
C-NC is closed, C-NO is open
figure 9.10: Maximum switching power
Contact Current (A)
Contact Voltage (V)
10 20 30 40 50 200100
0.2
0.3
0.4
0.5
1.0
2.0
Connector audio in:
XLR-female with locking
Input signal level:
0 dBV nominal
10 dBV maximum
Connector audio out:
XLR-male
Output signal level:
Loopthrough of the by-pass audio input
Connector (rear side):
RJ45
Preferred cable:
CAT5, unshielded twisted pairs
Maximum cable length:
3 m
Ground short detection resistance:
<50 ohm