LinkHubS - 32K, Serial Hub

Sale price$214.99


The LinkHub-S is based on the Link and designed in cooperation with Dallas Semiconductor Corp, the manufacturer of the 1-Wire®, iButton® devices, and various accessories.

LinkHubs are advanced, multiport serial port (LinkHubS32K) or Ethernet (LinkHubE32K) interfaces to be used with Maxim Integrated and iButton® components, as well as AEM systems. Linkhubs use superior digital and analog methods to perform more reliable operations on a wide variety of network topologies. Linkhubs also offer functions that can simplify network communications and offer some diagnostic tools.

The LinkHub-E is designed to operate reliably on long and short 1-Wire® busses. This is done by a special analog interface design that uses matched impedances and slew rate controls, as well as smart cable pre-charge. In addition, the programming is adaptive and automatically makes adjustments for a variety of network parameters.

There are five 1-Wire® busses, one internal and four external, which are logically ored into a single 1-Wire® bus. The software written for the Dallas Semiconductor DS9097U interface will work even though the 1-Wire® devices are physically on separate busses. Each external bus can be up to 1000 ft long with one sensor attached. This creates a 1-Wire® network of 4000 ft with four times the network weight of a standard 1-Wire® bus.

An extended command set allows the four 1-Wire® ports to be used independently or together. If one of the 1-Wires® shorts out, the remaining channels with continue to function normally. Then, when the problem is fixed, the channel will reappear and operate normally.

The LinkHub-E is a powered device, providing +12V and +5 power on the same cable as the 1-Wire bus. However, the LinkHub-E ships without a power supply. Local EEPROM storage is provided for user configuration data and the LinkHub-E is available as three models, each with a different amount of EEPROM memory: 32KB, 256KB, and 512KB.


For more information on this product, please refer to the Link Family Manual.

External Power (HubPwr) technical information: Power Supplies

This product is RoHS compliant.

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