Digital Matrix Router
These instructions are intended for install-
ers of PA systems with appropriate technical
knowledge . Please read the instructions care-
fully prior to installation and keep them for
later reference .
All operating elements and connections de-
scribed can be found on page 2 .
Content
1
Overview � � � � � � � � � � � � � � � � 22
2
3
4
4�5�1
4�6�1
5
5�3�1
5�3�2
DHCP � � � � � � � � � � � � � � � � � 26
5�3�3
5�3�4
5�3�5
5�3�6
Linking switching combinations to
5�6�1
5�6�2
5�6�3
6
6�1�1
6�2�1
6�2�2
6�2�3
6�2�4
6�2�5
6�2�6
6�2�7
6�2�8
6�2�9
6�2�10
6�2�11
6�3 Views � � � � � � � � � � � � � � � � � � � 31
6�3�1
22
6�4�1
6�4�2
6�4�3
6�4�4
6�4�5
Gain� � � � � � � � � � � � � � � � � � 31
6�4�6
6�4�7
6�4�8
6�4�9
6�5�1
6�5�2
6�5�3
6�5�4
6�5�5
6�5�6
Gain� � � � � � � � � � � � � � � � � � 34
6�5�7
Limiter � � � � � � � � � � � � � � � � 34
6�5�8
6�5�9
6�11�1
6�11�2
6�13�1
6�13�2
6�13�3
6�13�4
the unit � � � � � � � � � � � � � � � � 36
6�13�5
6�14�1
6�14�2
6�14�3
6�14�4
6�15�1
6�15�2
6�15�3
7
1 Overview
1.1 Front panel
1 LED PHANTOM POWER; lights up when
the phantom power supply for the micro-
phone inputs is switched on
2 LC display
3 Buttons PRESET 1- 6 to retrieve the con-
figurations previously saved
To call up the system setting menu, keep
button 5 pressed for several seconds . The
functions of the system setting buttons are
described in chapter 5 .3 .
4 Status LEDs for the input /output channels
CH 1- CH 8
LIMITER - limiter or compressor active
CLIP - input overloaded (after EQ)
SIGNAL - signal for output channel avail-
able
FBK - feedback suppression active
MIC - input for microphone
LINE - input for line signal source
5 USB jack, type B, to connect a computer
for remote control and for configuration
of the DRM-882LAN
1.2 Rear panel
6 POWER switch
7 Mains jack for connection to a socket
(230 V/ 50 Hz) via the mains cable supplied
8 Support for the mains fuse;
always replace a blown fuse by a fuse of
the same type
9 RJ45 jack TCP/ IP to connect a computer
for remote-controlled operation of the
DRM-882LAN via Ethernet; the two LEDs
above the jack indicate that the connection
is being established or that data is being
transferred
10 RJ45 jack RS485 IN to connect a com-
puter for remote-controlled operation or
to connect the remote-control panel DRM-
882WP (fig . 3) or DRM-882WPX (fig . 4)
11 RJ45 jack RS485 OUT to connect an ad-
ditional unit to be remote-controlled by
the computer that is connected to jack
RS485 IN (10)
12 Switching outputs S1- S4 as screw termi-
nals*
13 Switching inputs S1- S4 as screw termi-
nals* to retrieve the extra configurations
previously saved
14 Balanced audio signal outputs CH 1 - CH 8
as screw terminals*
15 Balanced audio signal inputs CH 1 - CH 8
as screw terminals*
* For easier connection, the entire terminal block
may be removed from the unit .