LDG SLS-2 Two-Port RJ45 Switch
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7. PAGES Inside Inside the SLS 2 are two headers with wire jumpers which allow you to rewire the two switched ports if desired The factory wir
8. PAGE 4 Rear Panel The rear panel of the SLS 2 features three RJ45 jacks One is a common jack and the other two are the switched jacks The front panel pushbutton alternately connects either Port 1 or Port 2 to the Common Port The DC power jack accepts 12 volts DC at 100 mA center positive Power ELECTRONICS Common 12v 100mA LDG Electronics 1445 Parran Road St Leonard MD 20685 410 586 2177 Made in Taiwan i O
9. The wire jumpers are color coded for convenience however the color scheme does not convey any fixed meaning If wiring other than straight through is desired you will need to desolder the wire jumpers and re solder to meet your specific needs This feature of the SLS 2 allows you to adapt two similar devices with different pinouts to connect to the same equipment Be sure to check the manufacturer s data sheets of both devices to be certain that the signal levels are compatible if you choose to use this feature of the SLS 2 If you open the case of the SLS 2 in order to rewire the jumper headers take care not to splash solder on any exposed traces potentially causing a short circuit Also take care to ensure no foreign objects are left inside the case when re assembling the lid to the case INSTALLATION Installation of the SLS 2 is fairly straightforward in most cases Plug one end of an RJ45 cable into the common port and connect the other end to the piece of equipment you are sharing Next plug an RJ45 cable into each of the switched ports and connect them to each of the two devices you d like to switch between Connect a DC power plug to the DC power jack making sure th
10. jumpers in the SLS 2 allow rewiring the connections between the two switched RJ45 jacks and the common jack JUMPSTART OR REAL HAMS DON T READ MANUALS Ok but at least read this one section before operating the SLS 2 1 The SLS 2 allows you to switch 8 circuits of an RJ45 common jack to one of the two switched jacks The default SLS 2 wiring is such that the port pinouts are 1 to 1 i e straight through wiring 2 Connect an RJ45 plug to the common port and and RJ45 plug to each of the two switched ports These can be any cables with RJ45 plugs installed such as microphones audio interface cables etc 3 Connect a 12 volt power supply capable of supplying 100 mA to the 2 5 x 5 5 mm coaxial power jack center positive 4 Press the front panel button to toggle the selected port The front panel LEDs indicate which port is active SPECIFICATIONS e Two switched RJ45 jacks e All 8 circuits switched e Inactive RJ45 jack is completely disconnected e Maximum current 1A per circuit e Remote operation possible see Application Hints e Requires 12 volts at 100 mA 2 5 x 5 5 mm Jack center positive IMPORTANT SAFETY WARNING Never install antennas or transmission lines over or near power lines You can be seriously injured or killed if any part of the antenna support or transmission line touches a power line Always follow this antenna safety rule the distance to the nearest power line should be at least twice the le
11. of warranty product for repair RETURNING YOUR PRODUCT FOR SERVICE Returning a product to LDG is easy We do not require a return merchandise authorization Visit the Customer Support Center and download the LDG Product Repair Form On the Repair Form tell the LDG technicians exactly what happened or didn t happen and why you believe the product needs servicing The technician attempts to duplicate the problem s you had based on how well you describe it so take the time to be accurate and complete PAGE 13 Ask your shipper for a tracking number or a delivery verification receipt This way you know the product arrived safely at LDG Be sure to give us your email address so our shipper can alert you online when your product is en route back to you We regret that we are not staffed to provide periodic updates on the status of repairs We can only indicate the repair is in process until it ships back to you Please be assured that our staff makes every effort to complete repairs ahead of our published wait time Your patience is appreciated Repairs can take six to eight weeks but are usually faster than this The most recent information on returning products for service is found at the LDG Customer Support Center Mail your carefully packaged repair with the Repair Form to LDG Electronics Inc Attn Repair Department 1445 Parran Rd St Leonard MD 20685 PRODUCT FEEDBACK We encourage product feedback Tell us what you real
12. Sis 2 OPERATIONS MANUAL MANUAL REV A LDG SLS 2 Two Port RJ45 Switch L ELECTRONICS LDG Electronics 1445 Parran Road St Leonard MD 20685 2903 USA Phone 410 586 2177 Fax 410 586 8475 Ide ldgelectronics com www ldgelectronics com Table Of Contents Introduction Jumpstart or Real hams don t read manuals Specifications Important Safety Warning Getting to know your SLS 2 Front Panel Rear Panel Inside Installation Operation Desktop Local Operation Remote Operation Application Information SLS 2 RJ45 Pin Diagram Typical Kenwood Mic Pinout Typical icom Mic Pinout Typical Yaesu Mic Pinout Additional Application Information Technical Support Two Year Transferrable Warranty Out Of Warranty Service Returning Your Product For Service Product Feedback O oo O O ODO Ww AK FF WO WD 0O O i Nu O OO k i d l ee 6 Aa WO OO W OQ PAGE 2 INTRODUCTION LDG pioneered the automatic wide range switched L tuner in 1995 From its laboratories in St Leonard Maryland LDG continues to define the state of the art in this field with innovative automatic tuners and related products for every amateur need Congratulations on selecting the LDG SLS 2 two port RJ45 switch The SLS 2 is a versatile electronic switch that enables the user to share two RJ45 connected devices with a common device Port selection is made via a pushbutton switch on the front panel of the SLS 2 Internal
13. e PAGE 6 center pin is positive and that the power supply is capable of 12 volts DC at 100 mA An example application is shown below One microphone is switched between two identical transceivers XCVR 1 14 270 00 O LDG SLS 2 MIC Port 1 Common Port 2 Another example shows using two different microphones on the same radio MIC 1 R LDG SLS 2 a end XCVR Common O 4 270 _ O 14 270 00 MIC 2 PAGE OPERATION Desktop Local Operation When connected as shown above pushing the pushbutton on the front of the SLS 2 selects between the two connected ports The LED corresponding to the selected port will illuminate indicating the active port An audible click will be heard each time the pushbutton is toggled This is the sound of the internal relays clicking Note that if no DC power is applied to the SLS 2 the selection defaults to Port 1 and no LEDs will illuminate You can take advantage of this situation to create your own remote mode as shown below Remote Operation For mobile installations or installations where it is not convenient to place the SLS 2 near the Operating position it is possible to employ a remote mode This mode uses the fact that the SLS 2 relays are non latching relays and will revert to their normally closed position when no power is applied To use remote mode push the pushbutton so that it is in the in position Po
14. e which may help you if you choose to use the internal rewiring capability of the SLS 2 Here is a short list of some that may be useful to you Tigertronics http www tigertronics com sl_ wirebm htm Signalink Documentation G4WPW Microphone http www asl net e4wpw date html Connection Info AC6V Amateur Radio and http www ac6v com DX Reference Guide Mods dk Radio manuals http www mods dk and reference information PAGE 12 TECHNICAL SUPPORT The LDG Customer Support Center staff is ready to answer your product question by telephone and over the Internet We know that you will enjoy your product even more knowing LDG 1s ready to answer your questions as the need arises Visit the Support Center at http support Idgelectronics com Our website links you to the on line Customer Support Center where you can send us a question do your own research in the LDG Product Knowledge Books and read through lists of frequently asked product questions LDG regularly updates on line information so the best on line support information is available all day and every day The LDG website provides links to product manuals just in case you lose this one When you are thinking about the purchase of other LDG products our website also has complete product specifications and photographs you can use to help make your purchase decision Don t forget the links to all of the quality LDG Dealers also ready to help you make that p
15. ing is straight through or 1 to 1 wiring so that pin 1 of each switched port connects to pin 1 of the common port pin 2 to pin 2 and so forth
16. ly think of your LDG product In a card letter or email preferred tell us how you used the product and how well it worked in your application Send along a photo or even a schematic or drawing to illustrate your narrative We like to share your comments with our staff our dealers and even other customers at the LDG website http www ldgelectronics com CE PAGE 14
17. ngth of the longest antenna transmission line or support dimension PAGES GETTING TO KNOW YOUR SLS 2 Your SLS 2 is a quality precision instrument that will give you many years of outstanding service take a few minutes to get to know it Front Panel On the front panel there is one pushbutton and two LED indicator lights The button is a pushbutton toggle switch which selects between the two cables connected to the rear ports The LEDs indicate which port is selected Port Selector
18. o use this feature of the SLS 2 it would be a good idea to label each of the two ports as to what it is wired for so that you do not accidentally plug the wrong type of mic or radio into the rewired port PAGE SLS 2 RJ45 Pin Diagram The RJ45 jacks on the rear of the SLS 2 have the following pinout which is a one to one correspondence with the pinout of the jumper headers NOTE Not all manufacturers number the pins of RJ45 connectors in this order Some are reverse of this pinout 8 76 5 43 2 1 Typical Kenwood Mic Pinout Using this pinout as a guide a typical Kenwood mic pinout would be as follows Note that this is provided for reference purposes only consult your radio s owners manual for exact pinout information Typical Kenwood Mic Pinout PAGE 10 Typical Icom Mic Pinout Likewise a typical Icom mic pinout would be as follows Again check with your radio s manual to be sure Not all radios are the same Number Name Data In GND MIC Mic GND PTT 8V Switched Up Down SV Output Typical Icom Mic Pinout Typical Yaesu Mic Pinout A typical Yaesu mic pinout is shown below Once again please consult your radio ownet s manual for exact details and beware that some radio manufacturers number the RJ45 pins opposite of the numbering on the SLS 2 pins Oo oe Typical Yaesu Mic Pinout PAGE 11 Additional Application Information There are numerous resources onlin
19. rt 2 will be selected To remotely switch the SLS 2 you must place a switch not supplied in line with the DC power to the SLS 2 When power is applied the relays will click on and Port 2 will be selected and the Port 2 LED will light up When power is removed from the SLS 2 Port 1 will be selected but no LEDs will be illuminated In this manner if remote operation is desired you simply have to mount an on off switch near the operating position and use that switch to toggle power to the SLS 2 So long as the pushbutton is pushed in on the SLS 2 this will allow remote control of the port selection APPLICATION INFORMATION The SLS 2 can be used in a variety of ways providing the capability to connect a single RJ45 equipped piece of equipment to two other pieces of equipment The examples already shown depict sharing one mic between two radios or one radio connected to two different mics But any equipment with an RJ45 plug and compatible signal levels can be switched One example is the Tigertronics SignaLink radio interface device With the SLS 2 one SionaLink device could be connected to two different radios The SignaLink uses RJ45 connectors for its interface and provides documentation on how to connect different radios to the SignaLink Using the internal jumpers of the SLS 2 the two radios could even be different types of radios Alternately one radio could connect to two different SignaLink devices for example
20. to connect to two different computers The internal wire jumpers of the SLS 2 allow you to adapt the wiring of two different pieces of equipment for example allowing you to connect a single microphone to two different radios Some examples follow Before using this feature of the SLS 2 be sure to check the pinouts and signal levels of BOTH pieces of equipment Also be sure to check the pin number ordering in your equipment s documentation Not all vendors number the pins in the same left to right order SignaLink is a registered trademark of Tigertronics PAGE 8 Failure to take these precautions could damage the connected equipment LDG assumes no responsibility for damage to your equipment caused by attempting to connect two pieces of incompatible equipment Re wiring the jumper headers in the SLS 2 requires you to open the case of the SLS 2 To do so locate the four screws on the side of the case and remove them Lift off the lid Inside you will find the wiring jumper headers The following diagram shows how the wires on the headers correspond to the pinout of the RJ45 jacks on the rear SL 2 Top View Inside Part i Jumper Header i 2 Port 1 A a cd A Common Port 2 d 3 5 Port T g Part 2 Jumper Header Any rewiring you perform will require you to de solder the wires on the jumper headers and re solder in a different configuration NOTE If you choose t
21. urchase decision TWO YEAR TRANSFERRABLE WARRANTY Your product is warranted against manufacturer defects in parts and labor for two full years from the date of purchase This two year warranty is also transferable When you sell or give away yout LDG product give the new owner a copy of the original sales receipt and the two year warranty goes with the new owner There is no need to complete a warranty card or to register an LDG product Your product receipt establishes eligibility for warranty service so save that receipt Send your receipt with the product whenever you send your product to LDG for repair Products sent to LDG without a receipt are considered requests for out of warranty repair LDG does not warranty against product damage or abuse This means that a product failure as determined by LDG to be caused by the customer or by other natural calamity e g lightning is not covered under the two year warranty Damage can be caused by failure to heed the product s published limitations and specifications or by not following good Amateur practice OUT OF WARRANTY SERVICE Any time a product fails after the warranty LDG wants to help you get it fixed Send the product to us for repair We will determine what needs to be done and based on your prior instruction either contact you with an estimate or fix it and contact you with a request to pay any repair charges Please contact LDG if you have any questions before you send us an out
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