RK2040
USER GUIDE
RK2040 Diversity Rack System
The RK2040 is a true diversity rack system housed in a compact 1U high 19-inch rack
frame and can be configured as a minimum two receiver rack system with the
capability of expansion to a four receiver rack system. The rack has built-in active,
filtered, RF distribution amplifiers, with two auxiliary RF outputs to enable another
RK2040 rack to be fed from a single pair of antennae.
All receiver and rack parameters can be set from the simple, intuitive menu structure
via four tactile buttons beside each of the individual backlit LCD displays allowing
comprehensive monitoring of RF levels, Audio level and transmitter battery status.
The RK2040 also has four transformer balanced line outputs as well as an adjustable
headphone output.
The RK2040 has a built-in RS485 PC interface allowing the receiver parameters to be
set-up and remotely monitored up to 1000 metres away.
The Racktop™ application, supplied free of charge with the RK2040 allows up to 12
fully loaded racks to be remotely monitored via the RS485 PC interface.
Racktop™ can set the individual parameters for the receivers and also has scan and
plot signal functions incorporated into the software.
The RK2040 can be powered from an external DC source between 10-18 volts. A
mains powered DC power supply is supplied with the RK2040.
Audio Ltd
Audio House
Progress Road
High Wycombe
HP12 4JD
U.K.
T: +44 (0)1494 511711
F: +44 (0)1494 539600
E: info@AudioLtd.com
W: www.AudioLtd.com
Controls Displays and Connectors
MENU
OK
MENU
OK
MENU
OK
MENU
OK
1
2
3
5
4
7
6
1. ON/OFF power switch
2. Backlit LCD Display screen
3. Menu button
4. Up/Down scroll buttons
5. OK button
6. ¼ inch Stereo jack socket
7. Headphone level control
8
9
10
12
11
14
13
RF OUT
A
A
NTENNA
A
RF OUT
B
ANTENNA
B43 2 1
LINE OUTPUTS PC INTERFACE
RS 485
DC INPUT
10-18V 1A
1
2
3
4
8
8. BNC antenna input A
9. BNC antenna input B
10. 4 x Transformer balanced XLR outputs
11. 2 x RS485 9-pin D-type interfaces
12. 4-pin XLR male DC Power socket
13. RF output B
14. RF output A
Setting up the RK2040
onnect power
the RK2040 using the AC to DC power supply unit provided with
n/Off Switch
ggle switch (1) provides the facility to turn on the RK2040 rack by
ntenna Inputs
nae to the BNC sockets marked A (8) and B (9) on the rear panel.
F Outputs
nnectors RF Out A (14) and RF Out B (13) provide the facility to link
eadphone Output
t socket (6 )allows any combination of receivers to be monitored
eadphone Level Control
s controlled via the level control (7).
udio Outputs
onnectors (10) provide transformer balanced line level outputs.
S485 PC Interface
wo standard 9 pin D-type connectors (11) provide a link to a PC. Multiple racks can
CD Display
our backlit LCD display screens (2) display the RF and Audio levels, TX battery
K2040 & Receiver setting Switches
enu, Up, Down and OK switches (3, 4, 5) set all parameters for the rack and
receivers through a simple and intuitive menu.
C
Connect power to
the RK2040. Plug the four pin XLR connector into the power socket (12) on the rear
panel. The RK2040 requires a DC supply in the range 10 – 18VDC, with a maximum
current of 1.5A.
O
A two position to
switching the toggle switch to the down position.
A
Connect the anten
R
Two BNC co
two RK2040 racks together provided the frequency range of the two racks are
compatible.
H
The headphone outpu
via a standard ¼ inch stereo jack socket (wired as mono).
H
The headphone output level i
A
Four 3 pin XLR c
R
T
be cascaded together via the D-type connectors with only one cable required to link to
a PC.
L
F
status, frequency of receiver, name of artist and a host of other rack and receiver
parameters.
R
M
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