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LAVA Computer MFG Inc. eSynC Product Family - Reference Manual – C03

2 Vulcan St. Toronto, ON

Tel: +1 416 674-5942

www.lavalink.com

Canada, M9W 1L2

Toll Free (US & Canada): 800 241-5282

6 of 36

Product Features

Overview

The eSynC and nSynC products share the following core features:



USB Host operation with simultaneous mobile device charging



Available with multiple USB-2.0 receptacles



Wired networking (10/100 Ethernet) support



Option for Power over Ethernet (PoE) support



Option to be powered from standard USB Power Adapters



Option to be powered from any regulated 5-volt power supply



Option to be powered from a 12 or 24-volt unregulated DC power source

The eSynC products include the above core features as well as the following extended features:



Support for installations running 24/7



Battery modulation for the tablet and mobile phone longevity



Enhanced Network Management for reliable network operation



Screen brightness control for reduced heat generation



Up to 5 USB-2.0 receptacles

The eSynC extended features rely on the LAVA product working in unison with the LAVA
Tablet Manager application. Installation of the LTM application is mandatory before using an
eSynC product.

USB Host Operation with Simultaneous Charging

The primary feature of all eSynC and nSynC products is to allow the charging of select Samsung
mobile devices while interacting with USB accessories. The LAVA products do not draw power
from the Samsung mobile device and only allow USB accessory operation while being powered
by an external power source.

The compatible mobile devices have been verified to support USB Host operation while also
allowing the device to be charged. The USB-C specification allows for many levels of
functionality to be implemented by each manufacturer. Not all aspects of USB-C and USB-C PD
(Power Delivery) are implemented on a device just because it has a USB-C receptacle.

Note

:

If your use case requires USB accessories to be operated with and without an
external power source, please contact LAVA Sales as other LAVA products not
described in this document are designed for this situation.

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Summary of Contents for eSynC-1U-OEM

Page 1: ...ing 6 USB 2 0 Ports for User Accessories 7 LAVA Tablet Manager LTM Application 7 Battery Modulation 8 Wired Network Operation 10 Network Recovery Operation 11 Screen Brightness Management 12 Power Options 13 Power over Ethernet Support 14 System Watchdog Handling 15 Samsung Knox Configure 16 Product Versions 16 Connection Descriptions 17 USB C Mobile Device Data Power Output 17 USB C Power Adapter...

Page 2: ...t Family Reference Manual C03 2 Vulcan St Toronto ON Tel 1 416 674 5942 www lavalink com Canada M9W 1L2 Toll Free US Canada 800 241 5282 2 of 36 The LAVA Device Info Utility 33 The LTM Setup Utility 34 Dimensions 35 Technical Support 36 ...

Page 3: ... e LTM application must be installed to support an eSynC product The eSynC products use features specific to a group of Samsung mobile devices eSynC Product Family Overview Product USB 2 0 Ports Type A Ethernet Adapter Power over Ethernet 5 VDC Input USB C 9 36 VDC Input Barrel Description eSynC PE YES YES Auxiliary Micro B Ethernet Adapter with PoE eSynC E YES YES Ethernet Adapter eSynC P2UE 2 YE...

Page 4: ...dd on available from many Network Switch vendors The eSynC models without PoE require a USB Power Supply with a USB C plug The Wall USB Charger provided with the tablet or mobile phone is an ideal choice Any USB Power Supply with sufficient power for the combined requirements of the compatible mobile device and USB accessories can be used The USB Power supply should be able to provide 5 volts with...

Page 5: ...942 www lavalink com Canada M9W 1L2 Toll Free US Canada 800 241 5282 5 of 36 Note LTM v4 and v5 are exactly the same The only difference is LTM v4 must be side loaded while v5 is available in the Google Play Store Note LTM v4 and v5 do not require Samsung Knox support unlike the earlier versions of LTM ...

Page 6: ...neration Up to 5 USB 2 0 receptacles The eSynC extended features rely on the LAVA product working in unison with the LAVA Tablet Manager application Installation of the LTM application is mandatory before using an eSynC product USB Host Operation with Simultaneous Charging The primary feature of all eSynC and nSynC products is to allow the charging of select Samsung mobile devices while interactin...

Page 7: ...t be installed on the mobile device to manage each LAVA product The LTM application runs in the background on the mobile device LTM works with Android v5 1 1 and newer LTM is available through the Google Play Store LTM v5 and is also distributed as part of a LAVA Software Release Package LTM v4 which includes a copy of the eSTS Installation Manual LTM must be used with a LAVA product that is match...

Page 8: ...g versions Battery Modulation The Battery Modulation feature helps reduce stress on the device s battery Battery Modulation is a feature in which the battery is charged up to an upper set point and then allowed to discharge to a lower set point This feature electronically mimics the process of charging a battery and then disconnecting the charger This behavior follows the expected use case for a m...

Page 9: ...calibration of the battery level to battery voltage by the device The btty cycle limit on start 2 results in the device being allowed to charge up to 100 two cycles after the LTM application is started The btty cycle limit on start command allows for an early battery calibration for situations where the device might have been turned off for some time Using btty cycle limit on start is optional Onl...

Page 10: ...s assignments or dynamic address assignments via DHCP The menu reports if the Ethernet adapter is active When using DHCP the device attempts to fetch the network addressing information from a DHCP server If the addressing information is not located within the timeout period the device makes no further attempts The user must manually retrigger the Ethernet interface to start the DHCP process The re...

Page 11: ...s restarted the device has lost the wired network connection The DHCP behavior is a serious issue for an enclosure based system There is no software only solution for a non rooted device The LTM application monitors the wired network connection If the connection is lost LTM automatically restarts the Ethernet hardware to establish a connection When a reset takes place the Android Toast message LTM...

Page 12: ... of 100 yet significantly reduces heat generation During the night time window selecting a very low screen level reduces heat generation dramatically Setting a level of 15 allows the screen to be seen Turning the screen off during night time is preferred Reducing heat generation over the life of the tablet or mobile phone helps improve the longevity of the battery and other internal components The...

Page 13: ...rranty The eSynC PE and eSynC P2UE support Power over Ethernet PoE and therefore can operate using power provided over the network cable Using PoE can resolve the problem of getting power to a device when an AC outlet is not accessible Using a PoE injector is a method of supplying power to an eSynC PE or eSynC P2UE based system even when wired Ethernet is not required by the customer application T...

Page 14: ...of power for the device the eSynC and attached USB accessories The 10 4 watt limit allows the unit to be treated as a PoE Class 0 device by a PoE switch The eSynC PoE Power Supply is capable of supplying 13 5 watts However this requires the Network Switch to supply more power to the Ethernet cable than is permitted for Class 0 devices The eSynC does not prevent the attached devices from attempting...

Page 15: ...ect SLD mechanisms These features add an extra level of protection for some rare conditions seen in a few device models The Low Level Detect LLD monitors the device battery level In some rare cases the device may refuse to start charging This mechanism prevents the device from discharging The configuration commands use an lld prefix If the signal drops below the danger threshold lld threshold lld ...

Page 16: ...ucts referred to in this document as the eSynC Mk1 and eSynC Mk2 The eSynC Mk1 is the original series of products The second generation products are referred to as eSynC Mk2 and were introduced in early 2020 Product generations can be identified by observing the two status LEDs upon power up The MK1 products pulse the two status LEDs on for second then off for second once upon startup The Mk2 prod...

Page 17: ...e on eSynC products without Power over Ethernet or a built in voltage converter This input provides power for the eSynC product the device and for attached USB accessories The eSynC product does not function if power has not been applied to the Power Adapter input The eSynC products are not intended to draw power from the mobile device A standard USB 5V DC Power Supply is attached to the Power Ada...

Page 18: ...duct the cable quality and length must be selected to ensure that the voltage reaching each accessory is at least 4 75 volts as a general rule Many devices such as mice operate at a lower voltage than 4 75 A power budget must be carefully evaluated for the system if reliable operation is to be ensured The models with the Power Adapter input include the eSynC 1U eSynC 1U OEM eSynC BM OEM eSynC 3U e...

Page 19: ...in the LAVA product is 80 efficient at full load therefore 12 watts into the product results in 10 watts for system use A power supply with a higher power rating than the required minimum is always permitted and has the benefit of running cooler As an example if your system ideally required a 12 volt 2 ampere power supply then a 12 volt 2 5 ampere supply is acceptable The length and gauge of wire ...

Page 20: ...LAVA product is waiting for a mobile device to be attached 1 second blink on both LEDs and when one LED is on the other is off The LAVA product has detected a mobile device and is waiting for LTM to communicate If the LTM application was not installed this LED state does not end and the extended features are not functioning Flashing every 1 5 seconds Once LTM is running and communicating the Devic...

Page 21: ...connected to the device The USB Activity flashes when there is traffic between the device and an eSynC product The Link Activity is a green indicator The Link Activity is solid green when the Ethernet Link has been established The Link Activity flashes when there is network traffic through the Ethernet interface The Link Activity indicator remains off when the device is not attached Both indicator...

Page 22: ...n the eSynC PE and eSynC P2UE products This port is attached to a Network Switch which has been configured for PoE operation Use of a PoE Injector allows a non PoE switch to be used with the eSynC PE and eSynC P2UE Warning When supplying power using the Aux 5 Volt input you must not use PoE supplied power Internal Jumpers Each eSynC product has a pair of internal 2 pin jumpers The jumpers are not ...

Page 23: ...his type of device makes this type of interface still attractive in many devices The majority of serial ports use a device referred to as a Universal Asynchronous Receiver Transmitter or UART for short This device manages the sending and receiving of data There are many standards for serial communications The RS232 standard defines the most common electrical levels and types of connectors used The...

Page 24: ... smartphone When combined with the LTM application both products support the extended features of Battery Modulation and Screen Brightness Management The eSynC 1U OEM has an internal USB 2 0 Hub which isolates the device from any attached USB accessories The attached accessories are not permitted to draw more than 500 milliamperes as per the USB specification The Charge Status and Device Link LEDs...

Page 25: ... least 5 volts for proper device operation Any 5 volt regulated DC power supply can be used with these boards including USB Power banks The preferred voltage at the board input is 5 1 to 5 25 volts The board input voltage must not exceed 5 25 volts Due to power loss across the connecting cables the designer must ensure that the voltage is not too low at any point in the system Power loss is an iss...

Page 26: ...o be modified using a text editor on a PC as most devices do not have a suitable editor installed Changes to the file are copied to the InternalStorage Android data com lava tabletmanager7 files folder and are automatically used by LTM A configuration file update can be placed in the Download or Contents folder and is then automatically read by the LTM application The Contents folder is created by...

Page 27: ...s 45 btty cycle limit on start x The number of charge cycles after startup before a full charge cycle is forced For a full charge cycle the btty cycle lower threshold and btty cycle upper threshold are used The permitted range is 0 to 100 A value of 1 is treated as 2 The default is 2 btty cycle limit x The number of charge cycles before a full charge cycle is used For a full charge cycle the btty ...

Page 28: ...l1 time The default is 1 which disables the brightness timers brightness level1 x Screen brightness used by brightness level1 time The permitted range is 0 to 100 The default is 15 Invalid values are replaced with the default brightness level2 x Screen brightness used by brightness level2 time The permitted range is 0 to 100 The default is 85 hardware reset frequency x This command defined the num...

Page 29: ...000 The permitted range is 0 to 100 A 0 disables logging The default is 0 user debug x This command enables a set of Toast based status messages suitable for the user The messages report the general state of the LTM application and device The permitted range is 0 to 3 The default is 1 Level Messages Comments 0 No status messages 1 LTM controller attached The device has detected the eSynC board 1 L...

Page 30: ...ges Comments 0 No status messages 1 LTM ethernet connected Reported when the Ethernet state changes from not connected to connected 1 LTM ethernet not connected Reported when the Ethernet state changes from connected to not connected 2 LTM ethernet not connected Reported each pass of the LTM application if the Ethernet interface is not connected to the network The message repeats every 30 seconds ...

Page 31: ...data The first line after the header contains a short title for each field which is useful for some graphing applications Diagnostic Log File Field Descriptions Field Title Description 1 ID The ID field contains an L followed by an integer indicating the log source Value Description L1 Periodic log entry as selected by log file rate L2 Charging state change L4 LTM application has started or possib...

Page 32: ...pe When product family 1 is used board type defines the protection type When product family 2 is used btty protection type defines the protection type LTM START product family 2 btty protection type 1 board type 1 permit ltm icon 1 no btty modulation 0 btty upper threshold 75 btty lower threshold 45 btty cycle limit 50 permit ethernet 1 dhcp recovery 1 wifi overrides ethernet 1 brightness level1 t...

Page 33: ...nC and eSTS products have an internal 2 pin jumper labeled MODE When this jumper is installed the extended features of the product are disabled and the product cannot be detected by this utility The jumper is installed when the mobile device is not going to use LTM With the jumper installed there are no timeouts to deal with The factory default does not install this jumper Therefore the extended f...

Page 34: ... LTM The LTM v1 v2 and v3 had no display component built in The LTM v4 and v5 now have built in support for configuration management which eliminates the need for an external utility Also LTM v4 and v5 use a different location and name for the configuration file The file location was changed for compatibility with the newer versions of Android The configuration file name was changed to use a txt s...

Page 35: ...41 5282 35 of 36 Dimensions 38 2 mm 0 5 mm 43 0 mm 1 0 mm 83 0 mm 0 5 mm 97 0 mm 0 5 mm Figure 5 Case dimensions for the eSynC 3U E PE 2UE P2UE vc3U vc2UE vc1U and vcE 38 2 mm 0 5 mm 43 0 mm 1 0 mm 127 0 mm 0 5 mm 97 0 mm 0 5 mm Figure 6 Case dimensions for the eSynC vc5UE Figure 7 Dimensions of the eSynC 1U OEM board Figure 8 Dimensions of the eSynC BM OEM board ...

Page 36: ...el 1 416 674 5942 www lavalink com Canada M9W 1L2 Toll Free US Canada 800 241 5282 36 of 36 Technical Support LAVA Technical support is open from 9 00 am to 5 00 pm Monday through Friday EST Telephone 1 416 674 5942 Toll Free US and Canada 1 800 241 5282 Internet www lavalink com helpdesk ...

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