DX Engineering DXE-RLS-2 Instructions manual

2-Port Receiving Antenna Switch

RLS-2

DXE-RLS-2-INS Revision 3c

© DX Engineering 2022

1200 Southeast Ave. - Tallmadge, OH 44278 USA

Phone: [phone] ∙ Tech Support and International: [phone]

Fax: [phone] ∙ E-mail: [email protected]

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Introduction

The DX Engineering 2-Port Receiving Antenna Switch RLS-2 is designed to allow selection of one
of two output ports (generally connected to different receiving antennas) from one feedline.
Transfer activates with application of a +10-15 Vdc or 9-12 Vac control voltage through the
feedline.

Features

 Metal housing for superior shielding and long life
 High quality components
 Reliable F-type connectors
 Operating range from 300 kHz to 30 MHz with 75 Ω systems
 Jumper-selectable, control voltage pass-thru to the selected port

When used with two DX Engineering RBSA-1P Reversible Beverage Systems, the RLS-2 will
allow selection of four directions using a single main feedline. See Figure 1. Install one or more
RLS-2’s to expand larger Beverage arrays and share the feedline back to the operating position.

The DX Engineering FVC-1 Voltage Coupler can be used to supply the control voltages through
the feedline to control 4-direction switching of a receiving antenna array or selection of four
different receive antennas.

Operation

The RLS-2 is in effect a SPDT (Single Pole, Double-Throw) RF switch that has one input port and
two output ports. With no control voltage, the NC (normally closed) ANT 1 port is connected to the
RCVR input port. With constant application of +12 Vdc or 12 Vac through the feedline ports
switch, the NC ANT 1 port opens and the NO (normally open) ANT 2 port closes, connecting to the
RCVR input port.

Jumper Header shown

in the “OFF” position.

(factory default)

Voltage pass through

is blocked.

Voltage pass through is blocked (Factory Default) when the jumper is show as above. To pass
voltage through, to control other RLS-2s, the RBSA-1P Reversible Beverage System, or a special
application, the internal jumper is moved to the “ON” (pin in center and right are jumpered). When
the right two pins are connected, any control voltage present on the feedline at the RCVR port will
pass through the RLS-2 to the selected port. Removing the internal jumper (or putting it on the
“OFF” position as shown above - Factory Default) blocks these voltages.

One or more RLS-2s can also be used to expand larger Beverage arrays or for placing taps along a
feedline for multiple antennas. Figures 1 and 2 depict typical configurations.

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Figure 1: RLS-2 Used with

Two RBSA-1P Reversible Beverage Systems

Notes:

 Uses single coax run from each DXE-RBS-1FP
 Uses voltage on the feedline to switch the DXE-RLS-2 and the DXE-RBS-1FP
 DXE-RLS-2 switches when +12 Vdc is applied to feedline, DXE-RBS-1FP switches when −12 Vdc is

applied giving port selection per table below

Voltage Applied to Feedline

Selected Port

0 Vdc

Beverage A, Away

-12 Vdc

Beverage A, Toward

+12 Vdc

Beverage B, Away

12 Vac

Beverage B, Toward

 The DXE-FVC-1 applies the voltages to the feedline and can be controlled using BCD logic with the

 CC-8A or a switch closure to ground arrangement

Figure 2: RLS-2 Configured

to Switch 4 Antennas

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Notes:

 Uses single coax run from each RLS-2
 Uses voltage on the feedline to switch the RLS-2s
 RLS-2M is a converted RLS-2 that switches when −12 Vdc is applied to feedline, other

RLS-2s switch normally, giving port selection per table below

Voltage Applied to Feedline

Selected Port

0 Vdc

Ant Array 1, Segment A

+12 Vdc

Ant Array 1, Segment B

-12 Vdc

Ant Array 2, Segment C

12 Vac

Ant Array 2, Segment D

 The FVC-1 applies the voltages to the feedline and can be controlled using BCD logic
with the CC-8A or a switch closure to ground
arrangement

The configuration shown in Figure 2 requires a modification to
one of the DXE-RLS-2 units to operate at -12 Vdc to allow the
switching functions shown above. The modification consists of
removing one diode and installing it backwards as shown below.

D1 Diode Normal and Reversed

Installation

The RLS-2 can be placed at any point between the operating position and the antenna, although it is typically installed
near the antenna systems. Any location with ambient temperatures below 150° F (65° C) is acceptable.

In outdoor applications, a bead of non-corrosive, marine grade silicone, like DX Engineering part number PTX-82180,
should be used along the seams of the enclosure. Be sure to leave a small opening in the bead, at the lowest point, for a
condensation drain. Corrosive silicones have a vinegar-like smell and should be avoided.

We recommend using high quality 75 Ω F-6 type “flooded” coax such as DX Engineering part number DXE-RG6UFQ.
Flooded cables have the distinct advantage of automatically sealing small accidental cuts or lacerations of the jacket.
Flooding also prevents shield contamination and can be direct-buried. Moisture ingress into the shield often occurs at
the connector and can cause increased system noise. To ensure weatherproof connections, use compression F­connectors. The compression connectors cannot be installed with normal crimping tools or pliers, so an installation tool
like the DXE-SNS-CT1 is essential for proper connector installation.

Technical Support

If you have questions about this product, or if you experience difficulties during the installation, contact DX
Engineering at [phone]. You can also e-mail us at: [email protected]
For best service, please take a few minutes to review this manual before you call.

Warranty

All products manufactured by DX Engineering are warranted to be free from defects in material and workmanship for a period of one (1) year from date of shipment. DX Engineering’s sole obligation
under these warranties shall be to issue credit, repair or replace any item or part thereof which is proved to be other than as warranted; no allowance shall be made for any labor charges of Buyer for
replacement of parts, adjustment or repairs, or any other work, unless such charges are authorized in advance by DX Engineering. If DX Engineering’s products are claimed to be defective in material
or workmanship, DX Engineering shall, upon prompt notice thereof, issue shipping instructions for return to DX Engineering (transportation-charges prepaid by Buyer). Every such claim for breach of
these warranties shall be deemed to be waived by Buyer unless made in writing. The above warranties shall not extend to any products or parts thereof which have been subjected to any misuse or
neglect, damaged by accident, rendered defective by reason of improper installation, damaged from severe weather including floods, or abnormal environmental conditions such as prolonged exposure
to corrosives or power surges, or by the performance of repairs or alterations outside of our plant, and shall not apply to any goods or parts thereof furnished by Buyer or acquired from others at
Buyer’s specifications. In addition, DX Engineering’s warranties do not extend to other equipment and parts manufactured by others except to the extent of the original manufacturer’s warranty to DX
Engineering. The obligations under the foregoing warranties are limited to the precise terms thereof. These warranties provide exclusive remedies, expressly in lieu of all other remedies including
claims for special or consequential damages. SELLER NEITHER MAKES NOR ASSUMES ANY OTHER WARRANTY WHATSOEVER, WHETHER EXPRESS, STATUTORY, OR IMPLIED,
INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS, AND NO PERSON IS AUTHORIZED TO ASSUME FOR DX ENGINEERING ANY OBLIGATION OR LIABILITY
NOT STRICTLY IN ACCORDANCE WITH THE FOREGOING.
©DX Engineering 2022
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