COMMFRONT Industrial Opto-Isolated RS232/RS485/RS422(4-Wire) 4-Port Hub/Splitter 2500V Optical Isolation 600W Surge Protection 15kV ESD Static Protection

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COMMFRONT Industrial Opto-Isolated RS232/RS485/RS422(4-Wire) 4-Port Hub/Splitter 2500V Optical Isolation 600W Surge Protection 15kV ESD Static Protection

Regular Price: US$335.99

Special Price US$279.99

Availability: In stock

Supplier: COMMFRONT

Category: Electronics Computers & Accessories Computer Accessories & Peripherals Computer Cable Adapters Serial Adapters

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Industrial Opto-Isolated 4-Wire RS485/RS422 OR 3-Wire RS232 Hub

Model: Hub-Serial-4

The HUB-Serial-4 is a rugged, industrial-grade, optically-isolated RS-232/485/422 Hub / Splitter, which can be used to expand 3-wire RS-232 or 4-wire RS-485/RS-422 networks by splitting one network into four (star wiring), in turn increasing the maximum number of nodes and the distance covered by an RS-232 / RS-485 / RS-422 network. This industrial opto-isolated RS-232/RS-485/RS-422 Hub / Splitter operates within a temperature range of -40ºF to 185ºF (-40ºC to 85ºC), features 600W surge protection, 15kV ESD static protection and 2500V opto-isolation circuitry, which effectively protect your RS232 / RS485 / RS422 devices from ground loops, noise problems, transient surges, remote lightning and spikes.

The unit comes with options for RS485, RS422, or RS232 input, for easy installation. It was designed so that data coming from the input will transmit to all four loops of networks. However, each loop of RS232 / RS485 / RS422 devices will transmit data back to the input only, thus reducing any possible interference between each loop of the RS-232 / RS-485 / RS-422 devices.

Also, the failure of any individual loop will not affect other loops, making the RS-232 / RS-485 / RS-422 networks more robust and reliable. The unit supports data rates up to 115.2K Baud and features data format auto-sensing and self-adjusting; therefore, no DIP switch, jumper settings, software drivers or flow control is required.

Features

Rugged industrial-grade opto-isolated RS-232 and 4-wire RS-485/RS-422 hub/splitter
Expands 3-wire RS-232 or 4-wire RS-485/RS-422 networks by splitting one network into four
Supports multi-drop RS-485/RS-422 networks (up to 512 [4x 128] nodes)
2500V optical isolation
300 to 115.2K Baud operation (auto-sensing & self-adjusting)
External 5VDC powered (included)
Plug and play, no DIP switch or jumper settings needed
Built-in 600W surge protection, 15kV static protection, and circuit protection

WHY OPTICAL ISOLATION?


Ground Loops Ground loop currents can flow through “the path of least resistance” via either the common earth ground or the ground wire and cause serious damages to the connected devices. Optical isolation uses an LED (Light Emitting Device) and a photosensitive transistor to transfer data across the isolation barrier - typically an air gap; in other words, data is transmitted using light instead of electrical signals, so there is no physical connections between the grounds and the data lines, thus removing the ground loop problems.	Remote Lightning Serial networks are often exposed to remote lightning because of the long distances and the surrounding electrical equipment. Optical isolation uses an LED (Light Emitting Device) and a photosensitive transistor to transfer data across the isolation barrier - typically an air gap; in other words, data is transmitted using light instead of electrical signals, so there is no physical connections between the connected devices, thus effectively preventing remote lightning, voltage surges, and sparks from destroying other parts of the system.	Voltage Surges Because of the long distances and the surrounding electrical devices, voltage surges can run across the system and cause damages to the valuable equipment. Optical isolation uses an LED (Light Emitting Device) and a photosensitive transistor to transfer data across the isolation barrier - typically an air gap; in other words, data is transmitted using light instead of electrical signals, so there is no physical connections between the connected devices, thus effectively preventing remote lightning, voltage surges, and sparks from destroying other parts of the system.	Electric Sparks Electric sparks can cause transient voltage to run across the system and cause serious damages to the valuable equipment. Optical isolation uses an LED (Light Emitting Device) and a photosensitive transistor to transfer data across the isolation barrier - typically an air gap; in other words, data is transmitted using light instead of electrical signals, so there is no physical connections between the connected devices, thus effectively preventing remote lightning, voltage surges, and sparks from destroying other parts of the system.

SPECIFICATIONS

Part Number:	HUB-Serial-4
Compatibility:	EIA/TIA RS-232 and RS-485/RS-422 standards
Power Source:	5VDC (External AC to DC power adapter included)
Barrel Power Input Jack:	Sleeve Diameter: 5.5mm; Pin Diameter: 2.5mm; Polarity: Positive (tip +5V, sleeve 0V)
External AC/DC Power Adapter:	5VDC / 1A (Input: 100~240VAC 50/60Hz, US type A plug)
Current Consumption:	Less than 400mA
Optical Isolation:	2500Vrms (AC, 1 min)
Baud Rates:	300 to 115,200bps (auto-sensing and self-adjusting)
Distances:	RS-232: 50ft (15m); RS-485/RS-422: up to 4000ft (1.2km) at 19,200bps
Maximum Number of Nodes:	Input: 1; Output: 4x 128 nodes
Connector:	2x 10-way Terminal Block
Protection:	600W Surge Protection, 15kV ESD Protection
Dimensions (H x W x D):	9.5 x 3.6 x 1.1 in (241 x 92 x 28 mm)
Weight:	15.7 oz (445 g)
Operating Temperature:	-40ºF to 185ºF (-40ºC to 85ºC)
Operating Humidity:	Up to 90% RH (non condensation)


	Isolated RS485 Hub	Isolated RS422/RS232 Hub	USB to 4-Port RS232 Hub	USB3.0 4-Port Hub	USB3.0 7-Port Hub
Compatibility	RS485	RS422, RS232	USB2.0, RS232	USB3.0/2.0/1.x	USB3.0/2.0/1.x
Number of Ports Expanded	4 (expandable)	4 (expandable)	4	4	7
Optical Isolation	2500Vrms (AC, 1 min)	2500Vrms (AC, 1 min)	-	-	-
Data Rates	300 to 115.2Kbps	300 to 115.2Kbps	USB: 480M bps; Serial: 12Mbps	5Gbps	5Gbps
Mounting	DIN-Rail OR Wall/Panel Mount	Wall/Panel Mount	DIN-Rail OR Wall/Panel Mount	DIN-Rail OR Wall/Panel Mount	DIN-Rail OR Wall/Panel Mount

Operating temperature: -40ºF to 185ºF (-40ºC to 85ºC). 2500V optical isolation, built-in 600W surge protection, 15kV static protection, and circuit protection. 300 to 115.2K Baud operation (auto-sensing & self-adjusting). Supports multi-drop 4-wire RS-485/RS-422 networks for up to 512 [4x 128] nodes. Rugged industrial-grade opto-isolated 3-wire RS-232 and 4-wire RS-485/RS-422 hub / splitter.