Tigertronics SW-RJ45 Guida

RJ-45 Microphone Switch

154 Hillview Drive Grants Pass, Oregon 97527

Sales: (541) 474-6700 www.tigertronics.com

Installation & Operation

- INTRODUCTION -

The Tigertronics Microphone Switch Model SW-RJ45

provides a simple yet effective way to connect both a

microphone and a communication device (SignaLink, TNC,

etc.) to your radio's 8-pin Modular RJ-45 Mic jack, and select

between them without needing to disconnect / reconnect the

microphone or cabling.

The switching of all eight lines of the RJ-45 connector is

provided, as well as the switching of stereo audio. No

external power is required, and the installation and operation

of the switch is very simple.

As with all of our products, the SW-RJ45 Microphone Switch

is designed and manufactured using only the highest quality

components. Assembly is done using state-of-the-art robotic

production equipment. Strict testing of every unit, and our

high level of quality control insures you of a premium quality

product that will provide many years of dependable service.

- INSTALLATION OVERVIEW -

The SW-RJ45 Microphone Switch is ready to use out of the

box without any configuration needed. However, options

have been provided to allow you to ground the switch

chassis to the radio chassis ground, and to enable RFI

filtering on any of the eight lines going to the radio. These

options are covered in detail in the manual for those wishing

to enable them but they are not necessary for the switch to

function.

As simple as this product is to install and operate, we still

suggest that you spend a little time familiarizing yourself

with it. If after completing the installation you have any

difficulty, please refer to the “Troubleshooting”section at

the end of this manual. It covers most of the common

problems that you might run into. Technical Support is also

available if you need it. Please see the “Technical Support”

section of this manual for more information.

- WHAT YOU WILL NEED -

The SW-RJ45 Microphone Switch comes supplied with the

cabling that is needed to connect it to your radio. If you are

using this switch with our SignaLink interface, then you

should already have the radio cable (p/n SLCABRJ4) and

audio cable that are needed to attach the SignaLink to the

switch (both of these are supplied with the SignaLink). If

not, then you will need to purchase these separately.

If you are attaching a different product to the switch (TNC,

etc.) then you should already have the interface cable

provided with that device, as well as an audio cable (if

applicable). If not, then you will need to provide and/or

build these cables.

A multi-meter will be needed to verify the location of radio

chassis ground if you want to ground the switch chassis to

the radio chassis ground, or enable RFI filtering.

- CONFIGURING THE SWITCH -

NOTE: If you do not want to ground the switch chassis to

the radio chassis or enable RFI filtering, then you can skip

to “CONNECTING THE SWITCH”at the top of page 3.

Before opening the switch, we suggest that you drain any

static off of your body by momentarily grounding yourself

by touching your radio or computer chassis. To open the

switch case you will need to remove the four front Allen

screws using the supplied Allen wrench. Once the screws

have been removed, gently remove the front cover by

pulling it towards the front of the unit until it pops off. Be

careful not to put pressure on the internal connectors or

switch. Once the front cover has been removed, slide the

circuit board out of the case and set it on a suitable work

surface. An ESD safe work surface is preferred if available.

Grounding the Switch Chassis

CAUTION: Care must be taken when grounding the

switch chassis to radio ground. Your equipment could be

damaged if you ground the wrong pin!

Grants Pass, Oregon

Figure 1 –Ground Jumper Location

(shown without any jumpers enabled)

The switch chassis can be connected to radio chassis ground

by enabling one of the eight push-on Ground jumpers that

are shown in Figure 1 above. These jumpers are labeled

“G1”through “G8”, and correspond directly to pins 1 - 8 on

the RJ-45 connector.

BEFORE enabling a ground jumper, it is critical that you

know for certain which pin on your radio's RJ-45 Mic

connector is ground. We have provided a simple and

virtually fool-proof way for you to do this using a multi-

meter. Due to differences in pin numbering among radio

manufacturers, and in some cases, no numbering at all, we

strongly suggest that you use the procedure outlined below

instead of trying to match up our pin numbers with the radio

manufacturer's pin numbers. Your equipment could be

damaged if you ground the wrong pin!

Confirm Radio Chassis Ground Location

TIP: The most common ground pin assignments for Icom,

Kenwood and Yaesu radios are as follows. If applicable to

your radio, you might want to check the pin shown below

first, as it is likely the ground connection.

Radio Mic Pin# Jumper#

Icom Pin #7 G7

Kenwood Pin #6 G6

Yaesu (older models) Pin #4 G4

Yaesu (newer models) Pin #7 G7

Follow the steps below to confirm the location of radio

chassis ground:

1 –Confirm that the radio is powered OFF. The radio

MUST be OFF when locating the ground connection or

you could damage your equipment.

2 - The switch must be properly connected to the radio using

the supplied RJ-45 to RJ-45 cable (refer to the connection

block diagram shown in Figure 4 on page 3). No other

cables should be connected to the switch at this time.

3 - Set your multi-meter to read resistance and confirm that

it is working properly.

4 - Place one multi-meter probe on the radio's exposed

(non-painted) metal chassis. The metal around the antenna

connector or a non-painting chassis screw is usually a good

location for this.

5 - Using the picture shown in Figure 1, locate the “G1”

through “G8”grounding jumpers on the switch circuit board.

6 - Starting with jumper G1, place the other multi-meter

probe on the right-most pin of the jumper header. Note that

this is the pin closest to the “G1”label.

7 - Check the resistance reading on your multi-meter.A

resistance of a few ohms or less indicates that this pin is tied

to chassis ground, so the jumper for it can be enabled. To

enable the ground jumper, simply install the supplied push-

on jumper shunt across the two pins corresponding to the

jumper location you are testing.

8 –If the resistance reading is more than a few ohms then

the pin you are probing is not tied to chassis ground, so

you'll need to continue checking for ground by probing the

right-most pin of the remaining jumpers, G2 through G8.

9 - Once you have located chassis ground and enabled the

corresponding jumper, please take a minute to double-check

your work with your multi-meter again to make sure that

you have it correct. Your equipment can be damaged it you

ground the wrong pin.

Enabling RFI Filtering

Figure 2 –RFI Filter Jumper Location

(shown without any jumpers enabled)

NOTE: If you enable RFI filtering then you must also

ground the switch chassis to the radio chassis as outlined in

the “Grounding the Switch Chassis”section above, or the

filtering will not be effective.

RFI filtering consisting of a ferrite bead and 0.01uf bypass

cap be enabled for any or all of the eight lines that connect to

the radio's mic jack by enabling the jumpers shown in Figure

2 on page 2. These jumpers are labeled “JP1”through

“JP8”, and they correspond directly to pins 1 - 8 on the RJ-

45 connector. To enable RFI filtering, simply install the

supplied push-on jumper shunt across the two pins

corresponding to the jumper location that you wish to filter.

- CONNECTING THE SWITCH -

Figure 3 –Switch Rear View

Instructions for connecting this switch to a SignaLink or

other communication device (TNC, etc.) are shown below.

Please pick the instructions that match your application and

follow the steps provided.

SignaLink Installation

Follow the instructions in this section if you will be using

this switch with your radio and a SignaLink.

Figure 4 –SignaLink Installation

See Figure 4 for a block diagram of this installation. Note

that the cable connections shown in the diagram are

marked “(1)”, “(2)”, “(3)”, etc., and correspond directly to

the steps below.

1 –Using the supplied double-ended RJ-45 cable, plug one

end of this cable into your radio's 8-pin RJ-45 microphone

jack. Plug the other end of this cable into the jack labeled

“RADIO”on the back of the switch.

2 –Using the supplied 3.5mm audio cable, plug one end of

the cable into your radio's External Speaker / Headphone

jack. Plug the other end of this cable into the jack labeled

“RADIO --- SPKR”on the back of the switch. See the tip

below before connecting this cable. It should only be

connected if your radio does not supply speaker audio on

the Mic jack. If speaker audio is available on the mic jack,

then do NOT connect this cable.

3 –Using the SLCABRJ4 radio cable that was supplied with

your SignaLink, plug the 8-pin RJ-45 end of the cable into

the jack labeled “RADIO”on the back of the SignaLink.

Plug the 8-pin RJ-45 end of the cable into the “AUX”jack

on the back of the switch.

4 - Using the audio cable that was supplied with your

SignaLink, plug one end of the cable into your jack labeled

“SPKR”on the back of the SignaLink. Plug the other end of

this cable into the jack labeled “AUX --- SPKR”on the back

of the switch. See the tip below before connecting this

cable. It should only be connected if your radio does not

supply speaker audio on the Mic jack. If speaker audio is

available on the mic jack, then do NOT connect this cable.

TIP: If your SignaLink works directly with your radio using

the mic connection only (no audio cable), then the audio

cable is not required with this switch either, and it should

not be connected.

5 –Plug your microphone into the jack labeled “MIC”on

the front of the switch.

6 –Plug headphones or an external speaker into the jack

labeled “PHONES”on the front of the switch

This completes the installation. Please skip to the “Switch

Operation”section below for details on using the switch.

TNC / Other Comm Device Installation

Follow the instructions in this section if you will be using

this switch with your radio and a non-SignaLink

communication device such as a TNC.

To connect a TNC or other communication device to this

switch, you will need a cable wired with a 8-pin RJ-45 plug

on one end, and whatever connector is required by your

communication device on the other end. If you don't already

have this cable available from your current installation then

you will need to build or acquire one. We can also provide

an unterminated cable with an RJ-45 plug on one end for a

modest charge (please contact us).

MIC PHONES

RADIO AUX

Switch

Top View

Radio SignaLink

MIC SPKR

OUT RADIO SPKR

SPKR SPKR

(1) (2) (3) (4)

(5) (6)

Please note that we are unable to provide cable wiring

instructions for non-SignaLink communication devices.

However, this should be a simple matter to figure out. The

SW-RJ45 Mic Switch switches all connectors “straight

through”(1-1, 2-2, 3-3, etc.), so the 8-pin RJ-45 “AUX”jack

on the switch provides the same pin-out as the connected

radio. This means that you simply need to wire your cable

as if it is going to plug directly into the radio's mic jack.

Once you have wired your cable, please double-check your

work (your equipment could be damaged by incorrect

wiring!) and then follow the steps below to complete the

installation.

Figure 5 –Other Comm Device Installation

See Figure 5 above for a block diagram of this installation.

Note that the cable connections shown in the diagram are

marked “(1)”, “(2)”, “(3)”, etc., and correspond directly to

the steps below.

1 –Using the supplied double-ended RJ-45 cable, plug one

end of this cable into your radio's 8-pin RJ-45 microphone

jack. Plug the other end of this cable into the jack labeled

“RADIO”on the back of the switch.

2 –Using the supplied 3.5mm audio cable, plug one end of

the cable into your radio's External Speaker / Headphone

jack. Plug the other end of this cable into the jack labeled

“RADIO --- SPKR”on the back of the switch. See the tip

below before connecting this cable. It should only be

connected if your radio does not supply speaker audio on

the Mic jack. If speaker audio is available on the mic jack,

then do NOT connect this cable.

3 –Using the cable for your communication device

mentioned at the beginning of this section, plug one end of

the cable into the appropriate jack on your communication

device. Plug the 8-pin RJ-45 end of the cable into the

“AUX”jack on the back of the switch.

4 - Using the audio cable that was supplied with your

communication device, plug one end of the cable into the

Audio Output jack on the comm device. Plug the other end

of this cable into the jack labeled “AUX --- SPKR”on the

back of the switch. See the tip below before connecting

this cable. It should only be connected if your radio does

not supply speaker audio on the Mic jack. If speaker

audio is available on the mic jack, then do NOT connect

this cable.

TIP: If your communication device works directly with your

radio using the mic connection only (no audio cable), then

the audio cable is not required with this switch either, and it

should not be connected.

5 –Plug your microphone into the jack labeled “MIC”on

the front of the switch.

6 –Plug headphones or an external speaker into the jack

labeled “PHONES”on the front of the switch

This completes the required cable connections. Please see

the “Switch Operation”section below for details on using

the switch.

- SWITCH OPERATION-

Operation of the SW-RJ45 Mic Switch is very simple. The

front panel “Mic/Aux”switch is used to select the device

that you want to use with the radio at any given time.

Simply push the switch button IN to select the SignaLink /

Aux device. Push the switch button again so that the button

is OUT to select your microphone. If you experience any

problems using the switch, then please see the

“Troubleshooting”section at the end of this manual.

- SWITCH CONTROLS AND CONNECTORS -

Front Panel

MIC –This jack is where you plug in your microphone. It

accepts a standard 8-pin RJ-45 modular plug.

PHONES –This jack is where you plug in your headphones

or an external speaker. It accepts a standard 3.5mm (1/8”)

stereo or mono audio plug (tip, ring and sleeve are all

switched).

AUX / MIC SWITCH –This push-button switch is used to

switch the radio between the microphone/headphones and the

aux communication device (SignaLink, TNC, etc.). When the

switch button is pressed in, the Aux communication device

(SignaLink, TNC, etc.) is connected to the radio. When the

switch button is out (not pressed in), the microphone and

headphones are connected to the radio.

Rear Panel

AUX –This jack is where you attach the aux communication

device (SignaLink, TNC, etc.). It accepts a standard 8-pin

MIC PHONES

RADIO AUX

Switch

Top View

Radio Other Comm

Device

MIC SPKR

OUT I/O AUDIO

SPKR SPKR

(1) (2) (3) (4)

(5) (6)

RJ-45 modular plug.

AUX-SPKR –This 3.5mm audio jack connects to the aux

communication device (SignaLink, NC, etc.) where

applicable. It accepts a standard 3.5mm (1/8”) stereo or mono

audio plug (tip, ring and sleeve are all switched).

RADIO –This 8-pin RJ-45 jack attaches to the radio's mic

jack.

RADIO-SPKR - This 3.5mm audio jack connects to the

radio's External Speaker / Headphone audio output jack where

applicable. It accepts a standard 3.5mm (1/8”) stereo or mono

audio plug (tip, ring and sleeve are all switched).

- VISIT US ON THE INTERNET -

www.tigertronics.com

Our website contains the latest news about Tigertronics’

products, support information, and other information of

interest to Hams and SWLs. This is also the best source for

downloadable programs that work with our products. The

site is updated often, so stop in on a regular basis to get the

latest news and updates.

- YOUR COMMENTS WELCOME -

We have made every effort to make the SW-RJ45 Microphone

Switch the best product possible. We welcome any comments

or suggestions that you would like to make. Please drop us a

note to let us know about your experiences, tips you would like

to share with other users, or how we might do a better job for

you.

- LIMITED WARRANTY -

Tigertronics warrants the SW-RJ45 Microphone Switch to

be free of defects in material and workmanship for a period

of 90 days from the date of shipment. Tigertronics will

repair or replace, at its option, any parts found to be

defective during the warranty period. This warranty does

not include any unit that has been subject to misuse, neglect,

improper installation or operation. This warranty is in lieu

of all others, express or implied, and no person or

representative is authorized to assume for Tigertronics any

other liability in connection with the sale or use of this

product. Tigertronics will not be responsible for any

expense or loss of revenue or property incurred by the user

due to operation or malfunction of this equipment.

Tigertronics reserves the right to make any changes

including but not limited to the circuit, components or

firmware, or to incorporate new features, at any time,

without obligation.

- RETURN POLICY -

A Return Material Authorization Number (RMA#) must be

obtained before any product will be accepted for return or

repair. Items received without an RMA# clearly marked on

the OUTSIDE of the package WILL BE REFUSED. Items

being returned must be sent prepaid. Returned items should

include a note showing the RMA#, customer name, return

address, phone number, email address, and action requested.

Units returned for warranty repair must be accompanied by a

copy of the original invoice showing the date of purchase.

Customers wishing to return a product for REFUND, for

ANY REASON, must receive an RMA# within 15 days

from the shipping date shown on the original sales invoice.

Customers returning products for refund will be charged a

Restocking Fee equal to 20% of the purchase price, to cover

the cost of re-testing and re-stocking. Products that have

been damaged or modified in any way may not be returned.

Contact our Technical Support department for the RMA#.

- TECHNICAL SUPPORT -

BEFORE YOU CALL –The vast majority of technical

issues can be resolved with the information that is available

in this manual. Please take some time to read through it.

If you encounter a problem that you cannot resolve and you

have gone through the troubleshooting information available

in this manual and on our website, then please contact our

Technical Support Staff at (541) 862-2639. They are

available every Monday, Wednesday, and Friday, from

1PM to 5PM Pacific Time (4PM to 8PM Eastern). Be

sure to have your equipment available for testing when you

call. Unless you are located over-seas or have extenuating

circumstances, please DO NOT mail, email, or fax your

technical inquiries. We realize that calling is a little more

expensive, but more can be accomplished in a few minutes

on the phone than can be done in hours of writing!

- TROUBLESHOOTING -

This section covers the most common issues that you may

experience with this product. If your problem is not covered

here then please see the Support pages of our website at

www.tigertronics.com. If you are still unable to resolve the

issue, then please see the “Technical Support”section of

this manual for instructions on contacting our Technical

Support Staff by telephone.

My microphone or SignaLink (or other communication

device) does not work when connected through the switch.

If you have grounded the switch chassis then you may have

grounded the wrong line by mistake. Please see

“Grounding The Switch Chassis”on page 1 of this manual

and use the steps there to double-check your work. You can

also try removing the ground jumper to see if that resolves

the issue. If it does, then you have most likely installed the

ground jumper incorrectly.

If you have enabled RFI filtering by means of the JP1-JP8

jumpers, then you can try removing them to see if it affects

the problem (see “Enabling RFI Filtering”on page 2 of

this manual). The built-in RFI filtering should not normally

cause any issues regardless of the microphone or device

you're using. If you believe that this is the cause of the issue

then please contact us with the details.

If the above steps do not resolve the issue, then try plugging

the microphone (SignaLink, TNC, etc.) into the radio

directly to confirm that it works with a direct connection. If

the problem persists when the microphone or device is

directly connected to the radio, then the issue is most likely

due to a problem with the microphone or device (not the

switch).

SignaLinkäis a trademark of Tigertronics

(8/22/2022 Rev-A)

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