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Abstract
The nLTS family of products permits the charging of select Lenovo mobile devices while
simultaneously interacting with USB 2.0 accessories.
This product's mode of operation charges your mobile device battery to 100% as long as external
power is attached. This mode of operation supports Docking Detect, which ensures the mobile
device enters the correct state during a "hot connect" to the LAVA product.
This document describes the connectors and configuration options for the product line. All
supported devices use the Micro-USB interface.
Contents
Introduction ..................................................................................................................................... 2
nLTS Product Family ...................................................................................................................... 3
Product Operation ........................................................................................................................... 4
Overview ..................................................................................................................................... 4
USB Host Operation with Simultaneous Mobile Device Charging ............................................ 5
USB 2.0 Ports for User Accessories ........................................................................................... 5
Wired Network Operation........................................................................................................... 6
Status LED lights ............................................................................................................................ 7
Mobile Device Charging with USB Host Operation (SimulCharge) .............................................. 8
Overview ..................................................................................................................................... 8
Charge-Only Mode ..................................................................................................................... 8
USB Host versus Accessory ....................................................................................................... 8
SimulCharge Mode ..................................................................................................................... 9
Connection Descriptions ............................................................................................................... 10
USB-A Receptacles .................................................................................................................. 12
Technical Support ......................................................................................................................... 15
nLTS Product Family
Reference Manual
Mar. 26, 2021
Revision A04
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Table of Contents
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Summary of Contents for Lava nLTS Series
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Page 1: Table Of Contents
This mode of operation supports Docking Detect, which ensures the mobile device enters the correct state during a “hot connect” to the LAVA product. This document describes the connectors and configuration options for the product line. All supported devices use the Micro-USB interface. -
Page 2: Introduction
The Power-over-Ethernet (PoE) products require a suitable Network Switch with PoE support. A non-PoE Network Switch can use a PoE Power Injector for each port to operate with a LAVA PoE capable product. A PoE Power Injector is a standard add-on available from many Network Switch vendors. -
Page 3: Nlts Product Family
LAVA Computer MFG Inc. nLTS Product Family - Reference Manual – A04 nLTS Product Family All members of the nLTS Product Family provide the same core functionality of allowing USB peripherals to be attached to a mobile device while permitting simultaneous battery charging. -
Page 4: Product Operation
The attached USB accessories do not function when external power is removed. 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. -
Page 5: Usb Host Operation With Simultaneous Mobile Device Charging
SimulCharge. USB 2.0 Ports for User Accessories The LAVA products include an internal USB 2.0 Hub, which is used to connect integrated and user-supplied USB accessories. Up to three user-accessible USB 2.0 ports are available depending on which LAVA product is selected. -
Page 6: Wired Network Operation
LAVA Computer MFG Inc. nLTS Product Family - Reference Manual – A04 Wired Network Operation Many nLTS products provide a 10/100 Fast Ethernet wired interface. This feature relies on standard support from the mobile device. A wired networking solution is more reliable than WiFi and has greater security. -
Page 7: Status Led Lights
LAVA Computer MFG Inc. nLTS Product Family - Reference Manual – A04 Status LED lights A Yellow LED and a Green LED are used to report the state of the unit. When power is applied to the board, the two status LEDs are flashed in unison to confirm the unit is operational and report the active mode. -
Page 8: Mobile Device Charging With Usb Host Operation (Simulcharge)
LAVA Computer MFG Inc. nLTS Product Family - Reference Manual – A04 Mobile Device Charging with USB Host Operation (SimulCharge) Overview The Lenovo mobile device was intended as a stand-alone device. When the mobile device battery requires charging, it is plugged into a Wall/USB Charger to restore the battery charge. -
Page 9: Simulcharge Mode
LAVA Computer MFG Inc. nLTS Product Family - Reference Manual – A04 SimulCharge Mode The nLTS products place a Lenovo mobile device into the SimulCharge Mode. SimulCharge Mode informs the mobile device to operate as a USB Host controller, but not to provide power for USB accessories. -
Page 10: Connection Descriptions
12 volt 2 ampere power supply, then a 12 volt 2.5 ampere supply is acceptable. The length and gauge of wire used to connect the power supply to the LAVA product results in a loss of voltage and therefore power reaching the LAVA product. This additional loss must be factored into the power budget as well. -
Page 11: Usb Micro-B "5V Input
LAVA product receptacle will be lower than the supply output due to cable power loss. If the voltage at the mobile device is too low, the mobile device will not charge. The voltage reaching the LAVA product should be at least 4.9 volts, with a preferred range of 5.1 to 5.25 volts. -
Page 12: Usb Micro-B "Aux 5V
Product Family - Reference Manual – A04 USB Micro-B “Aux 5V” The Auxiliary Power input is a Micro USB-B receptacle on LAVA “vc” and PoE capable products. The Auxiliary Power input is intended to be used for system testing when PoE or vc power is not available or present. -
Page 13: Rj45 "Poe Ethernet Port
The Auxiliary Power input is only to be used if power is not being provided over the Ethernet cable. The Auxiliary Power input is intended for the initial testing of a LAVA product. The Auxiliary Power input is described in a separate section of this document. -
Page 14: Rj45 "Ethernet Port
The Ethernet port has two status indicators labelled "USB Activity" and "Link/Activity'. Figure 1: RJ45 Status Indicators The USB Activity is a yellow indicator. The USB Activity is solid yellow when the LAVA product is powered and connected to the mobile device. The USB Activity flashes when there is traffic between the mobile device and a LAVA product. -
Page 15: Technical Support
LAVA Computer MFG Inc. nLTS Product Family - Reference Manual – A04 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 (the US and Canada): 800 241-5282 Internet: www.lavalink.com/helpdesk...
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