BSS BLU-101 [7/12] Rear panel
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BSS BLU-101 [7/12] Rear panel

BSS BLU-101 [7/12] Rear panel
7
Rear panel
AC Mains
AC Mains input to the universal switched-mode power supply, operates over a wide
range of AC input voltages from 100V to 240V, 50/60Hz.
Locate
Pressing the Locate switch on the rear of the unit will illuminate the PWR LED on the
front and identify the device within London Architect. Similarly the switch will illuminate
if the device is located from within London Architect.
RS232
Serial port for connection of external control equipment.
Ethernet
The main connection for the proprietary system control network, and for third-party
Ethernet control.
BLU link
The London BLU link is a point-to-point digital audio bus with 256 audio channels at
48K sample rate or 128 audio channels at 96K sample rate. The BLU-101 allows access
to channels 1-48 of this bus, at 48K sample rates. The physical connection is made with
Cat 5e cable from the OUT port of one device to the IN port of another device. The
devices are connected in a daisy chain fashion continuing with the OUT port of one
device connected to the IN port of the next device. Redundancy can be provided by
completing the loop and connecting the OUT port from the last device to the IN port of
the first device in the chain. All devices connected in the London BLU link chain must be
configured for the same audio sample rate.
Analogue Input/Output Connections
124 312
2
4 143 3124 32 14 3
CONTROL
ETHERNET
LOCATE
OUTPUTS INPUTS
S + S + S + S +
S + S + S + S + S + S + S + S +S + S + S + S + S + S + S + S +
ABCDE
RS232
IN
OUT
BLU link
THIS EQUIPMENT MUST BE EARTHED
100-240V ~ 50/60Hz, 50W
MANUFACTURED IN
THE USA BY
BSS AUDIO
There are 12 analogue input connections and 8 analogue output connections. The
analogue connections are balanced, on Phoenix/Combicon connectors.
AEC
The BLU-101 has AEC capabilities which enable it to cancel acoustic echo arising
when sound from a loudspeaker enters a microphone in the same room in a conference
application.
The BLU-101 contains dedicated AEC processing for up to 12 independent AEC
algorithms. The AEC algorithm can be applied to signals coming from the local analog
inputs or from the digital audio bus. 12 individual AEC references (one per algorithm)
allow the user to provide a solution for multiple conferencing spaces using a single
device.
124 312
2
4 143 3124 32 14 3
CONTROL
ETHERNET
LOCATE
OUTPUTS INPUTS
S + S + S + S +
S + S + S + S + S + S + S + S +S + S + S + S + S + S + S + S +
ABCDE
RS232
IN
OUT
BLU link
THIS EQUIPMENT MUST BE EARTHED
100-240V ~ 50/60Hz, 50W
MANUFACTURED IN
THE USA BY
BSS AUDIO

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