4
2 Rear Panel Connections and Operation
Rear Panel Connections and Operation
Fig 2-1: RB-SD1IP Rear Panel
A/B Inputs (Left and Right)
There are four XLR-3 inputs, two for channel A (Left & Right) and another
two for channel B (Left & Right). The XLR 3 pin sockets are used for the
input channels and are electronically balanced. They have the following
connections: -
Pin 1: Screen.
Pin 2: Phase.
Pin 3: Non-phase.
Outputs
The stereo output consists of two XLR male connectors professionally
balanced with following connections: -
Pin 1: Screen.
Pin 2: Phase.
Pin 3: Non-phase.
Silence Detect Trigger Level
The Level rotary switch adjusts the level below which silence detection
occurs. This level may be varied from –15dB to -60db in 3db steps by
adjusting the switch according to the following table:
A Inputs
GPI/O
Socket
B Inputs
Stereo
Outputs
Ethernet
Fuse
Mode
Remote
Plug
Time
Control
Level
Control
Switch
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
Level dBu
-60 -57 -54 -51 -48 -45 -42 -39 -36 -33 -30 -27 -24 -21 -18 -15
Silence Detect Interval Control
The silence detect interval rotary switch (Time) adjusts the duration over
which a silence must persist before alarming the unit. The time ranges from
2 to 30 seconds (0 – E in 2 second intervals) with F on the switch being a
2 min 5 second silence. This maximum time can also be activated or de-
activated remotely using the remote connector.
Switch
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
Seconds
2
4
6
8 10 12 14 16 18 20 22 24 26 28 30 125
Note: Better control of the Silence Detect Level and Interval are available
by using the Webserver built into the RB-SD1IP. See section 4 for more
information.
Mode DIP Switch Settings
1. Stereo/Mono.
2. Remote Start Mode Switch.
3. Professional levels/Consumer levels (Input B).
4. Switch/No switching when alarmed.
1
2
3
4
ON
OFF
IFC
Power
Inlet
