3x4 Switch Plus User Manual

3x4 Switch Plus User Manual
3x4
SWITCH PLUS
3 x 1 CONTROLLER / SWITCH
and
1 x 4 ANTENNA SWITCH
RF OUTPUT
LOCAL / REMOTE
INPUT SELECT
POWER
UNKEY
AMP
B
A
2
1
AUX
3
C
REMOTE
1
2
3
1
2
2
3
1
3
TUNE
R F INPUT
A
B
C
3x4 Switch Plus
BY
W2IHY
OPERATING MANUAL
TABLE OF CONTENTS
Introduction..........................................................3
3 X 1 Controller/ Switch front panel Controls......4-5
3 X 1 Controller/ Switch rear panel Controls ......6-11
1 X 4 Antenna Switch ........................................12-13
Coax Switch Configurations ..............................14-18
Coax Switch Quick Start .................................... 19-28
DECEMBER 2011
W2IHY
TECHNOLOGIES
Julius D. Jones
19 Vanessa Lane
Staatsburg, N.Y. (12580)
(845) 889-4253
E-mail: [email protected]
Home Page: http:// www.w2ihy.com
c 2011 W2IHY, ALL RIGHTS RESERVED
-2-
INTRODUCTION
3 x 4 Switch Plus by W2IHY
You asked for it, we listened, and here it is! The 3 X 4 Coax
Switch Plus from W2IHY. W2IHY Technologies has made it
a priority to develop products for the amateur radio
community that not only make your operating experience
more enjoyable but also are easy to use. If you own more
than 1 radio that share the same antennas, amplifier (s),
antenna tuner (s) or other devices connecting a particular
radio to one on several antennas or other devices can be
a complex and stress filled experience. In some cases if a
switch is turned incorrectly or a piece of coax is connected
into the wrong place one or more pieces of equipment
may even be damaged. The 3 X 4 Coax Switch Plus was
designed by W2IHY to make connecting multiple radios to
shared amplifiers, tuners and other gear more simplistic.
Switching from one radio to another radio is as easy as
turning a single knob. Configuring the system is done by
turning rotary switches. There are no computer controlled
menus to configure. If you are looking for a easy way to
switch from one radio to another then the 3 X 4 Coax Switch
Plus is for you.
The 3 X 4 Coax Switch Plus is built with a rugged steel
chassis with very easy to use front panel controls and
very clearly marked rear-panel connections. We feel so
confident that you will be delighted with the 3X 4 Switch Plus
that we offer a 30 day money back, no questions asked
guarantee. The Switch represents the new reference point
for easy to use amateur radio audio equipment.
-3-
3 x 1 CONTROLLER/SWITCH
FRONT PANEL CONTROLS
RF OUTPUT
LOCAL / REMOTE
INPUT SELECT
POWER
UNKEY
AMP
B
A
2
1
AUX
3
C
REMOTE
1
2
3
1
2
2
3
1
3
TUNE
R F INPUT
A
B
C
3x4 Switch Plus
BY
1 2
W2IHY
3
(1) POWER ON/OFF SWITCH
This switch turns the unit’s power on and off. The yellow
LED will illuminate when power is present in the unit.
(2) TUNE SWITCH
This switch disables all three (opens 3 amp keying relays),
rear accessible, output Amp Keying RCA connectors. (See
page 10 ). The Red LED will illuminate whenever the
output amplifier Keying RCA connectors are disabled.
(3) LOCAL/REMOTE INPUT SELECT SWITCH AND LEDS
This 4 position rotary switch is used to connect one of up
to three radios from the Input A,B,C connectors to the coax,
ALC, amp keying and speaker output connectors. When
this switch is turned to select “A” the radio that is
connected into RF input A will be connected to the 3 x 1
output. The green RF input A LED will illuminate. When this
switch is turned to select “B” the radio that is connected into
RF input B will be connected to the 3 x 1 output. The green
RF input B LED will illuminate. When this switch is turned
to select “C” the radio that is connected into RF input C will
be connected to the 3 x 1 output. The green RF Input C
LED will illuminate. When this switch is turned to Remote
the radio that is connected to the 3 x 1 output is determined
by the rear panel Input Select 5 pin DIN or Input Select
RCA connectors (see pages 7 and 9). The appropriate
green LED will illuminate.
-4-
3 x 1 CONTROLLER/SWITCH
FRONT PANEL CONTROLS
6
RF OUTPUT
LOCAL / REMOTE
INPUT SELECT
POWER
UNKEY
AMP
B
A
2
1
AUX
3
C
REMOTE
1
2
3
2
1
2
3
1
3
TUNE
R F INPUT
A
B
3x4 Switch Plus
C
BY
4
W2IHY
5
(4) RF OUTPUT SWITCHES
These switches direct coax (RF) inputs A, B and C to
the output of the 3 x 1 Controller / Switch. When a
1X4 Antenna Switch (See page 12) is connected to the coax
output of the 3 X 1 Controller / Switch the input of the
1X 4 Antenna Switch is connected to one of 4 outputs of the
1 x 4 Antenna Switch based on these switch positions .
(5) AUX SWITCH
When the AUX switch is turned on, the coax input of the
1X 4 Antenna Switch is connected to the AUXillary coax
output of the switch. The AUX green LED, on the 3 x 1
Controller will illuminate when the AUX switch is on.
(6) RF OUTPUT LEDS
When the 1 X 4 Antenna Switch is connected to the 3 X 1
Controller( via a DIN to DIN cable), these LEDs indicate
which 1X 4 Switch RF Output is being selected. The 1 X 4
Switch also has LEDS on it that indicate which output is
being selected. The position of the Local / Remote Select
Switch (see page 4), the Coax Output Switches (see page
5) and Aux Switch determine which 3 x 1 Controller input is
connected to which 1 X 4 Antenna Switch output.
-5-
3 x 1 CONTROLLER/SWITCH
REAR PANEL CONTROLS
10
7
8
9
(7) GROUND CONNECTOR
Station ground should be connected here.
(8) COAX RF INPUTS
These three coax inputs are used to connect RF devices
such as transceivers or RF linear amplifiers to the 3 x 1
Controller / Switch. The front panel mounted
Local / Remote Input Switch is used to select which one of
the three RF inputs is connected to the 3 x 1 RF Output.
(9) 3 X 1 COAX RF OUTPUT
This coax output is connected to one of three coax inputs
(see text above). Which input is connected to the output
is determined by the position of the front panel mounted
Local / Remote Input Switch.
(10) POWER IN
This 6 pin DIN Connector is used to provide DC power to
the unit. Power requirements are 10 to 15 VDC at 1 AMP
for Powering one Controller and one 1 X 4 Antenna Switch.
The power required for two Controllers and two 1 x 4
Antenna switches is 10 to 15VDC at 2 AMPs.
GND
Power
6 Pin Male DIN
Din connectors shown
on side to be soldered
-6-
+ 10 to 15VDC
3 x 1 CONTROLLER/SWITCH
REAR PANEL CONTROLS
11
12
(11) INPUT SELECT
This 5 Pin DIN is used when the Local / Remote Input
Select Switch is in the remote position. It allows the
selection of the A, B, C coax inputs to be selected remotely.
When the Local / Remote Input Select Switch is in the
Remote position this 5 PIN DIN is active (see page 4).The
following picture and table describe the function of the
connector.
Connector active when
Local / Remote Input select
is turned to Remote
A
Gnd
C
B
5 Pin DIN
Grounded
Input Coax Connector
Connected to Output
None Selected
A
B
C
OPEN: A, B or C not to output
A to Output
B to Output
C to Output
Din connectors shown
on side to be soldered
(12) OUT TO 1 X 4 SELECT
This 5 Pin DIN is connected to the 1 X 4 Switch 5 pin DIN
(See Figure 12). This connection switches the coax input
of the 1 X 4 Switch, to one of the 4 coax outputs. Below
is a picture of the cable wiring.
Din connectors shown
on side to be soldered
-7-
Shield and Black wire
3 x 1 CONTROLLER/SWITCH
REAR PANEL CONTROLS
14
13
(13) POWER OUT
This 6 pin DIN connector is used to provide DC power to
another 3 X 1 Controller / switcher and 1 X 4 Switch.
To provide power for a second Controller and second 1 X 4
Switch a cable must be connected from the Power Out
of the 3 x 1 controller providing power to the Power In of
the controller requiring power. Below is a picture of how
the cable must be wired.
Power Out to Power In Cable
GND (Shield)
Power
6 Pin Male DIN
Din connectors shown
on side to be soldered
+ 10 to 15VDC
(14) OUTPUT SELECT
This 5 Pin DIN is used to identify which of the 3 coax
outputs (1,2 or 3) on the 1 X 4 Switch is active. This DIN
output can be connected to Input Select of a second switch
when adding an additional level of switching is required.
Below is a picture defining the pins on this 5 Pin DIN
connector.
-Select Output 1
-Select Output 2
-Select Output 3
GND
-8-
Note: Select 1 Output goes to
Select A input. Select 2
Output goes to Select B
Input. Select 3 goes to
Select C Input
3 x 1 CONTROLLER/SWITCH
REAR PANEL CONTROLS
INPUT SELECT
B
A
C
These RCA connectors are used to remotely
replace the function of the Local / Remote
INPUT SELECT
Select Switch. These RCA connectors are
active when the Local / Remote Input Select Switch is in
the Remote position (See page 4). The internal circuitry in
the controller only allows a single coax input to be
connected to the coax output even when multiple RCA
Input Selects are grounded. The following table describes
the function of these RCA connectors.
5 Pin DIN
Grounded
Input Coax Connector
Connected to Output
None Selected
A
B
C
OPEN: A, B or C not to output
A to Output
B to Output
C to Output
SPEAKER AUDIO
These RCA inputs accept
mono or stereo inputs from
SPKR OUTPUT up to 3 radios or other
R
L
R
R
L
L
sources. The 3 x 4
Controller will send one of
SPKR INPUT A
SPKR INPUT B
SPKR INPUT C
the three speaker (RCA stereo) inputs to the speaker (RCA
Stereo) output. The RCA speaker output may be connected
to a single mono or stereo speaker system or recording
device.
L
R
-9-
3 x 1 CONTROLLER/SWITCH
REAR PANEL CONTROLS
Linear Amplifier Keying
These (RCA) amplifier keying
inputs accept linear amplifier
OUTPUT AMP KEYING
INPUT AMP KEYING
keying connections from up
to 3 radios. The output amplifier keying connectors support
keying up to 3 amplifiers. Each 3 X 1 Controller amplifier
keying outputs is connected to an internal controller relay
contact. The specific output amplifier (RCA) keying contact
that is closed is associated with the RF output that is
being selected by the front panel output select switches.
(see page 5).
The following is an example of how the amplifier keying
works. When RF Output 3 is being selected, on the 3 X 1
controller, the green LED for output 3 will be on. If RF
Output 1 is selected then Output AMP Keying Output 1 will
be shorted. If RF Output 2 is selected then Output AMP
Keying Output 2 will be shorted. If RF Output 3 is selected
then Output AMP Keying Output 3 will be shorted.
A
B
C
1
2
3
ALC CONTROL
A
These RCA connectors are
used to connect ALC function
OUTPUT ALC
INPUT ALC
between amplifiers and radios.
The radio connected to Input A should connect its ALC input
into (RCA) ALC input A. The radio connected to Input B
should connect its ALC input into (RCA) ALC input B. The
radio connected to Input C should connect its ALC input into
(RCA) ALC input C. The amplifier connected to 1 X 4 Antenna
Switch Output 1 should connect its ALC to ( RCA) Output ALC
1.The amplifier connected to 1 X 4 Antenna Switch Output 2
should connect its ALC output to (RCA) Output ALC 2. The
amplifier connected to 1 X 4 Antenna Switch Output 3 should
connect its ALC output to (RCA) Output ALC 3. Which one of
three RCA ALC outputs a given ALC input is connected is
associated with the RF output that is being selected by the
front panel RF Output select switches. (see page 5).
B
C
1
2
3
-10-
3 x 1 CONTROLLER/SWITCH
REAR PANEL CONTROLS
Amplifier Key Line
These RCA connectors are used to disable all three
(opens 3 amp keying relays), rear accessible, output
SWR IN
Amp Keying RCA connectors. (See page 10 ). The
Red LED, above the front panel tune switch will
illuminate whenever the output amplifier Keying RCA
SWR OUT
connectors are disabled. When the SWR Out RCA
connector is not shorted all 3 output Amp keying RCA
connectors will be disabled. Devices like a SWR meter,
which has circuitry to disable linear amplifier keying, would
connect here. The SWR IN RCA must be connected to
the SWR Out RCA if no external device is connected to
disable amplifier keying.
-11-
1 X 4 ANTENNA SWITCH
15
16
17
(15) GROUND CONNECTOR
Station ground should be connected to this connector.
Grounding this point grounds any of the four coax
connectors that are not connected to the Input coax
connector.
(16) INPUT COAX RF CONNECTOR
This Input Coax RF Connector may be connected
to one of 4 Output Coax RF Connectors. Connection
of the Input to the output is done using the control 5 Pin
DIN connection (see page 13). This unit is capable of
handling up to 1500 watts PEP of RF.
(17) OUTPUT COAX CONNECTORS
These 4 coax RF connectors are used to connect
antennas or other external devices to the Input Coax
RF Connector. Switching the input connector to one
of 4 Output connectors is done using the control
5 Pin DIN connection (see page 13). This unit is capable
of handling up to 1500 watts PEP of RF.
-12-
1 X 4 ANTENNA SWITCH
19
19
18
(18) CONTROL CONNECTOR
This 5 Pin DIN switches the coax input of the 1 X 4
Switch to one of the 4 coax outputs. The 1 X 4
Antenna Switch Control Connector may be connected to
the 3 X 1 Controller / Switch 1 X4 Select 5 pin DIN
output. (See page 7). Below is a picture that defines the
function of the pins on the 5 PIN DIN.
- Select Coax Output 1
- Select Coax Output 2
- Select Coax Output 3
- Select AUX Coax Output
Din connectors shown
on side to be soldered
+12 Volts DC
(19) OUTPUT COAX LEDS
These LEDs are wired to indicate which coax output is
connected to the coax input.
-13-
COAX SWITCH CONFIGURATIONS
Using one or more W2IHY 3 X 4 Controllers will greatly
simplify operating amateur radio stations with multiple
radios, one or more linear amplifiers and multiple antennas.
The W2IHY 3 X 4 Coax Switch may be configured in
many ways. The following are 9 typical configurations.
MULTIPLE RADIOS/SINGLE AMP/SINGLE TUNER/
MULTIPLE OUTPUTS
Configuration 1
1 X 4 Switch
3 x 1 Controller/Switch
Output 1
Output 2
Output 3
Output Aux
1 2 3 A
1x4 U
X
control
Tuner
Meter
C
AMP.
Input
Select
Output
Select
B
Radio
3x1
Radio
out 1 x 4
select
A
Radio
This configuration connects up to 3 radios to a single linear
amplifier / tuner. The tuner, via the 1 X4 Antenna Switch can
be configured to be connected to up to four different outputs.
MULTIPLE RADIOS/SINGLE AMP/SINGLE TUNER/
SINGLE OUTPUT
Configuration 2
3 x 1 Controller/Switch
Tuner
Meter
AMP.
Output 1
Output
Select
C Input
3x1
B
Radio
Select
Radio
out 1 x 4
select
A
Radio
This configurations connects up to 3 radios to a single linear
amplifier / tuner, The amp / tuner output(s) are connected
to antennas, antenna switches or other devices.
-14-
COAX SWITCH CONFIGURATIONS
MULTIPLE RADIOS WITH AMPS CONNECTED/
SINGLE TUNER/MULTIPLE OUTPUTS
Configuration 3
1 X 4 Switch
3 x 1 Controller/Switch
1 2 3 A
1x4 U
X
control
C Input
Select
Tuner
AMP
Meter
B
Radio
Output 1
Output 2
Output 3
Output Aux
Output
Select
AMP
3x1
Radio
out 1 x 4
select
AMP
A
Radio
This configurations connects up to 3 radios each with a
linear amplifier to a single tuner. The 1 X4 Antenna Switch can
be configured to be connected to up to four different outputs.
MULTIPLE RADIOS WITH AMPLIFIERS AND TUNERS
MULTIPLE OUTPUTS
Configuration 4
1 X 4 Switch
3 x 1 Controller/Switch
1 2 3 A
U
X
Tuner
1x4
Meter
3x1
Tuner
AMP.
C
Meter
Radio
B
AMP.
control
A
Radio
out 1 x 4
select
Tuner
AMP.
Meter
Radio
Output 1
Output 2
Output 3
Output Aux
Input
Select
This configurations connects up to 3 radios each with a
linear amplifier / tuner. The 1 X4 Antenna Switch can be
configured to be connected to up to four different outputs.
-15 -
COAX SWITCH CONFIGURATIONS
MULTIPLE RADIOS/MULTIPLE AMPS/SINGLE TUNER/
SINGLE OUTPUT
Configuration 5
1 X 4 Switch
1 X 4 Switch
3 x 1 Controller/Switch
1
Amp
3
Tuner
2
Amp
Output
Input
Select
Output
Select
A
U
X
Meter
Amp
1x4
3x1
1x4
1 2 3 A
U
X
control
out 1 x 4
select
C
Radio
B
Radio
A
Radio
control
Output Aux
This configuration requires one 3 X1 controllers and two
1 X4 Coax Switches. This configuration supports
connecting any one up to 3 radios to any one of 3 amplifiers.
Any of the 3 amplifiers may be configured to use a single
tuner. The selected amplifier and/ tuner may be connected to
a single antenna, antenna switches or other device. The front
panel AUX switch may not be used, in this configuration, to
connect an external antenna or dummy load to the AUX
AUX OUTPUT for use by the connected amplifiers.
MULTIPLE RADIOS/MULTIPLE AMPS/MULTIPLE TUNERS/
OUTPUTS CONNECTED TO TUNERS
Tuner
Output 1
AMP.
Tuner
Output 2
AMP.
Tuner
Input
Select
AMP.
Meter
1x4
1 2 3 A
U
X
control
C
Output
Select
B
Radio
3x1
Radio
out 1 x 4
select
A
Radio
1 X 4 Switch
Meter
3 x 1 Controller/Switch
Meter
Configuration 6
Output 3
Output Aux
This configurations connects up to 3 radios to any one of 3
linear amplifiers with their own tuners. The output(s) of each
tuner is connected to an antenna, antenna switches or other
device.
-16 -
COAX SWITCH CONFIGURATIONS
MULTIPLE RADIOS/MULTIPLE AMPS/SINGLE TUNER/
MULTIPLE OUTPUTS
Configuration 7
1 X 4 Switch
3 x 1 Controller/Switch
1 2 3 A
U
X
1x4
Tuner
C
Meter
B
Amp
3x1
Amp
out 1 x 4
select
A
1 2 3 A
1x4 U
X
control
Amp
Output 1
Output 2
Output 3
Output Aux
Input
Select
Input
Select
Output
Select
C
Radio
3x1
B
Radio
out 1 x 4
select
A
Radio
1 X 4 Switch
control
3 x 1 Controller/Switch
Output Aux
This configuration requires two 3 X1 controllers and two
1 X4 Coax Switches. This configuration supports
connecting any one up to 3 radios to any one of 3 amplifiers.
Any of the 3 amplifiers may be configured to use a single
tuner. The tuner may be configured to connect to any one
of 4 different outputs.
MULTIPLE RADIOS/MULTIPLE AMPS/SINGLE TUNER
SINGLE OUTPUT
Configuration 8
3 x 1 Controller/Switch
3 x 1 Controller/Switch
Tuner
C
Meter
B
Amp
3x1
Amp
out 1 x 4
select
Amp
A
1x4
1 2 3 A
U
X
control
Output
Input
Select
Output
Select
Select
C Input
Radio
3x1
B
Radio
out 1 x 4
select
A
Radio
1 X 4 Switch
Output Aux
This configuration requires two 3 X1 controllers and one
1 X4 Antenna Switch. This configuration supports
connecting any one up to 3 radios to any one of 3 amplifiers.
Any of the 3 amplifiers may be configured to use a single
tuner. The output(s) of the tuner may be connected to
antennas, antenna switches or other devices.
-17 -
COAX SWITCH CONFIGURATIONS
MULTIPLE RADIOS/MULTIPLE AMPS/MULTIPLE TUNERS
MULTIPLE OUTPUTS
1 X 4 Switch
3 x 1 Controller/Switch
Configuration 9
1x4
B
3x1
Tuner
C
Tuner
1 2 3 A
U
X
control
A
out 1 x 4
select
Tuner
AMP.
Meter
Output 1
Output 2
Output 3
Output Aux
Input
Select
Input
Select
AMP.
Meter
1 2 3 A
U
X
1x4
C
Output
Select
B
Radio
3x1
Radio
control
out 1 x 4
select
A
Radio
AMP.
Meter
1 X 4 Switch
3 x 1 Controller/Switch
Output Aux
This configuration requires two 3 X1 controllers and two
1 X4 Antenna Switches. This configuration supports connecting
any one up to 3 radios to any one of 3 amplifiers where each
may have a tuner connected to it. The selected amplifier /
tuner may be connected to any one of 4 different outputs
MULTIPLE RADIOS/MULTIPLE AMPS/MULTIPLE TUNERS
SINGLE OUTPUT
Configuration 10
B
3x1
Tuner
out 1 x 4
select
Tuner
AMP.
A
Tuner
AMP.
Meter
Output
C
Input
Select
Input
Select
AMP.
Meter
1 2 3 A
U
X
1x4
C
Output
Select
B
Radio
3x1
Radio
control
out 1 x 4
select
A
Radio
1 X 4 Switch
Meter
3 x 1 Controller/Switch
3 x 1 Controller/Switch
Output Aux
This configuration requires two 3 X1 controllers and one
1 X4 Coax Switch. This configuration supports connecting
any one up to 3 radios to any one of 3 amplifiers. Each
amplifier may have a tuner connected to it. The selected
amplifier / tuner, using a 3 x 1 controller may be connected to
a single antenna, antenna switches or other device.
-18 -
COAX SWITCH QUICK START
POWER AND 1X4 CONTROL
CABLE CONNECTIONS
Connect a 10-15 volt DC power source capable of 1 amp,
to the 3X 1 Controller. This power source will provide
power for the 3 x1 controller and 1 x 4 Switch. Connect a
cable between the 3 X1 Controller and 1 X 4 Switch. This
connection switches the coax input of the 1 X 4 Switch
to one of the 4 coax outputs. Below is a picture of
GND
cable wiring.
10-15 volt DC
Power cube or
power supply
+ 10 to 15VDC @ 1A
Power
6 Pin Male DIN
Din connectors shown
on side to be soldered
3 x 4 to 1X4 Control Cable
Din connectors shown
on side to be soldered
-19 -
the
Shield and Black wire
COAX SWITCH QUICK START
RF CONNECTIONS
Connect your radios/ RF devices as shown in the picture
below. A SWR / watt meter, RF amplifier and antenna
tuner may be connected to the coax input of the 3 X 1
Controller. If the 1X 4 Coax switch is to be used with the
3 X1 controller connect the appropriate length coax as
shown below.
Output 3
Ant or other
Output 2
Ant or other
Output 1
Ant or other
Output AUX
Ant or other
GND
C
POWER/ SWR
METER
RADIO/ AMP
RF OUTPUT
B
RADIO/ AMP
RF OUTPUT
GND
RADIO/ AMP
RF OUTPUT
A
LINEAR
AMPLIFIER
-20 -
ANTENNA
TUNER
COAX SWITCH QUICK START
SPEAKER AUDIO CONNECTIONS
Stereo or mono audio sources, from up to three different
radios, may be connected to the speaker inputs of the 3 X 1
Controller. External stereo or mono speakers may be
connected to the speaker output. Connecting the above
inputs and outputs is done using RCA shielded cables.
Below is a picture of the cable wiring.
Speakers
RADIO C
AF (SPKR)
OUTPUT
V V
V V
RADIO B
AF (SPKR)
OUTPUT
V V
V
RADIO A
AF (SPKR)
OUTPUT
V
- 21 -
COAX SWITCH QUICK START
ALC AND AMP. KEYING CONNECTIONS
FOR CONFIGURATIONS 1 and 2
Below is a diagram showing how to wire transceiver / transmitter ALC
and Amplifier keying function to the 3X1 controller and from the
controller to a linear amplifier. The diagram below supports
configurations1 and 2 shown on page 14 of the 3 x4 Switch Plus
manual. It is very important that the ALC output connectors are
wired as shown in the diagram (The 3 ALC connections are
connected together with RCA cables.) It is also very important that
the amp keying outputs are wired as shown in the diagram (The 3
amp keying outputs are connected together with RCA cables.) It is
very important that there is a cable installed between the SWR
IN and SWR Out RCA connectors. These RCA connectors are used
to disable all three rear accessible, output Amp Keying RCA
connectors. They may be connected to a SWR meter or antenna
tuner that has circuitry to disable amplifier keying.
LINEAR
AMPLIFIER
Amp
Key ALC
POWER/ SWR
METER
ANTENNA
TUNER
Amp Key
ALC
ALC Amp
Key
RADIO A
ALC and AMP
KEYING
ALC Amp
Key
RADIO A
ALC and AMP
KEYING
-22-
RADIO A
ALC and AMP
KEYING
ALC Amp
Key
COAX SWITCH QUICK START
RF AND CONTROL CONNECTIONS
FOR CONFIGURATION 5
The wiring diagram below shows how to wire the “RF
paths and 1 x 4 Switch control connection to support
configuration 5 (Multiple radios, multiple amplifiers single
antenna tuner, single output.)Connect your radios/ RF
devices as shown in the diagram below.
LINEAR
AMPLIFIER
POWER/ SWR
METER
LINEAR
AMPLIFIER
GND
PTT RLY
LINEAR
AMPLIFIER
1 x 4 Switch 2
1 x 4 Switch 1
B
C
RADIO/ AMP
RF OUTPUT
RADIO/ AMP
RF OUTPUT
A
RADIO/ AMP
RF OUTPUT
-23-
Output 3
Ant or other
GND
ANTENNA
TUNER
AMP Relay Control
Output 3
Ant or other
Output 2
Ant or other
Output 1
Ant or other
Output AUX
Ant or other
GND
LINEAR
AMPLIFIER
LINEAR
AMPLIFIER
AMP
KEY
ALC
AMP
KEY
ALC
AMPLIFIER
ALC LINEAR
COAX SWITCH QUICK START
ALC AND AMP. KEYING CONNECTIONS
FOR CONFIGURATION 5
AMP
KEY
1 x 4 Switch 1
Output 3
Ant or other
Output 2
Ant or other
Output 1
Ant or other
Output AUX
Ant or other
GND
ALC Amp
Key
RADIO A
ALC and AMP
KEYING
ALC Amp
Key
RADIO A
ALC and AMP
KEYING
-24-
RADIO A
ALC and AMP
KEYING
ALC Amp
Key
COAX SWITCH QUICK START
RF AND CONTROL CONNECTIONS
FOR CONFIGURATION 6
The wiring diagram below shows how to wire the “RF
paths and 1 x 4 Switch control connection to support
configuration 6 (Multiple radios, multiple amplifiers multiple
antenna tuners, multiple outputs.) Connect your radios/ RF
devices as shown in the diagram below.
C
RADIO/ AMP
RF OUTPUT
B
RADIO/ AMP
RF OUTPUT
A
RADIO/ AMP
RF OUTPUT
GND
-25 -
Control Cable
TO AMP/METER
TUNER
TO AMP/METER
TUNER
TO AMP/METER
TUNER
Output AUX
Ant or other
GND
ALC Amp
Key
RADIO A
ALC and AMP
KEYING
Output 3
Ant or other
ALC Amp
Key
RADIO A
ALC and AMP
KEYING
ALC
AMP
KEY
RADIO A
ALC and AMP
KEYING
LINEAR
AMPLIFIER
LINEAR
AMPLIFIER
ALC
AMP
KEY
Output 2
Ant or other
Output 1
Ant or other
Output AUX
Ant or other
-26AMPLIFIER
ALC LINEAR
METER
METER
METER
TUNER
TUNER
TUNER
Output 3
Output 2
Output 1
COAX SWITCH QUICK START
ALC AND AMP. KEYING CONNECTIONS
FOR CONFIGURATION 6
AMP
KEY
1 x 4 Switch
GND
ALC Amp
Key
COAX SWITCH QUICK START
CONNECTING IPLUS TO THE 3 X 1
CONTOLLER FOR REMOTE SWITCHING
Below is a diagram that shows how to wire an iPlus
Audio Switch to the 3 X 1 Controller. When the 3 X 1 Controller
front panel Local / Remote switch is in the remote position the
iPlus may be used to connect one of up to three radios from the
Input A,B,C connectors to the coax, ALC, amp keying and
speaker output connectors. Please note a male RCA connector,
shorting connector must be used as shown below.
This connector shorts the center pin to the shell of the connector.
Shorting RCA
male connector
AUDIO OUT 1
INPUTS
AUDIO OUT 3
OUTPUTS
AF L
SPKR L
AUX INPUT
AUDIO OUT 2
PTT
AF R
SPKR R
AMP
KEY
AUDIO INPUT
RAD 1 RAD 2 RAD 3
-27-
AMP
KEY
COAX SWITCH QUICK START
CONNECTING REMOTE DEVICES
TO SWR IN / OUT FOR
AMPLIFIER UNKEYING
External devises that control linear amplifier keying may be
connected to the 3 X 1 Controller to enable or disable amplifier
keying, Such devices are designed to protect linear amplifiers
when high SWR is detected or in the case of an auto tuner
when the tuner is tuning. The pictures below show how two
popular devices may be connected to the rear panel SWR IN
/ SWR Out RCA connectors (also se page 11) When an
external device is unkeying amplifiers connected to the 3 X 1
controller the front panel Tune Switch red UNKEY AMP LED
will be on (See page 4),
POWER MASTER DIGITAL
RF POWER AND V.S.W.R
INDICATOR REAR VIEW
PALSTER AT AUTO ANTENNA
TUNER REAR VIEW
-28-
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