Audio Specialties Group
Products Division
DUS-1526
TW Intercom
Source Assign Panel
Operators Guide
TABLE OF CONTENTS
Section 1.0: Introduction............................................................................................................................. 3
1.1 Safety and Precautions .......................................................................................................................... 3
Section 2: Capabilities ................................................................................................................................ 3
2.1
Terminate Switches......................................................................................................................... 3
2.2
Status LED Indicators ..................................................................................................................... 3
Section 3: Features...................................................................................................................................... 4
3.1
Front Panel Layout.......................................................................................................................... 4
3.2
Rear Panel Layout ........................................................................................................................... 4
Section 4: Internal Wiring........................................................................................................................... 5
4.1
Factory (1626) Harness Color Code ............................................................................................... 5
4.2
Balanced inputs............................................................................................................................... 5
4.3
25-PIN CONNECTOR ................................................................................................................... 5
2
Section 1.0: Introduction
2.2 Status LED Indicators
The DUS-1526 Source assign panel provides the
user with the ability to route 26 2-channel
outputs from 15 channels of RTS TW power
supply channels in one 3-RU self contained
chassis using industry standard XLR-3 and
XLR-4 male and female connectors.
The STATUS lights indicate when a channel has
power. These indicators extinguish when the
voltage on that channel drops below 15V DC. If
a STATUS light is not on, that channel may need
terminating. If the DUS-1526 is used with an
RTS PS-8, PS-15, PS-30 or PS60, only the odd
channels will show power. However, the even
channels do not need their terminate switches
turned on because the listed power supplies
provide the termination necessary on the even
channels.
1.1 Safe ty and Pre cautions
All the power circuits are fused internally.
There are no high voltages present inside the
DUS-1526.
Do not expose to rain or direct sunlight.
Section 2: Capabilities
Up to 15 RTS TW type wet or dry channels can
be routed to a total of 26 2-Ch outputs. The
connections to the power supplies can be via
XLR-3
or
XLR-4
type
connectors.
Additionally, there are male and female 25-pin
D-sub connectors that allow quick and efficient
connection of all 15 channels.
Also, channels
13, 14 and 15 can be connected to balanced
audio or intercom circuits via XLR-3 connectors
on the rear panel.
2.1
Terminate Switches
To accommodate systems that do not have all 15
channels powered, there are TERMINATE
switches on the front panel. These switches,
when flipped to the UP position, provide the
proper 200-ohm termination value to allow that
channel to function as an internal only circuit.
While it is not dangerous to do so, do not turn
on internal termination on a channel that is
connected to a power supply. This condition
would double-terminate the circuit and create a
low audio level condition.
3
Section 3: Features
3.1
Front Panel Layout
3.2
Rear Panel Layout
4
Section 4: Internal Wiring
Input for CH 14
4.1
1-nc
2-Orange
3-Yellow
Factory (1626) Harness Color Code
CH 1,2,3 XLR-4F
Input for CH-15
1-Brown
2-Red
3-Orange
4-Black
1-nc
2-Blue
3-Brown
CH 4,5,6 XLR-4F
4.3
1-Yellow
2-Blue
3-Violet
4-Black
CH 7,8,9 XLR-4F
1-Violet
2-Gray
3-White
4-Black
CH 10,11,12 XLR-4F
1-Brown
2-Red
3-Orange
4-Yellow
4.2
Balanced inputs
Input for CH-13
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
25-PIN CONNECTOR
BROWN
RED
ORG
YELLOW
GREEN
BLUE
VIO
GRAY
WHT
BROWN
RED
ORG
YELLOW
GREEN
BLUE
BLACK
BLACK
BLACK
BLACK
WHITE (LOOP TO 20)
WHITE (LOOP TO 21)
WHITE (LOOP TO 22)
WHITE (LOOP TO 23)
WHITE (LOOP TO 24)
WHITE (LOOP TO 25)
1-nc
2-Brown
3-Red
5
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