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High Speed Ruggedized Fiber to Multi-Point RS485/422
Model 4172 Very High Speed Ruggedized ST Duplex Fiber-to-Multi-Point RS485/422 Interface Converter
•Ideal for RS485 Multi-Point Applications
The Model 4172 is a high speed ruggedized ST Duplex Fiber to RS485 / RS422 interface converter from Electro Standards Laboratories. Typical operating speeds are up to 5 Mbps for RS485/422 to fiber conversion. When operating in RS485/422 mode, the converter can be configured for 2-wire half duplex or 4-wire full duplex operation.
This Fiber to RS converter provides an industrial solution for applications requiring a single point-to-point or a multi-point communications link over short and long distances. Typical applications include PC to PC long distance communications, factory automation, multi-drop data collection devices, barcode readers, time clocks, scales, data entry terminals, ATMs and serial communications in harsh environments.
The Model 4172 Fiber to Multi-Point Converter is designed to operate from -40°C to +85°C and is a member of Electro Standards Laboratories rugged community of media converters. This Fibre to RS converter features ESD protection circuitry on all receivers and transmitters for both RS232 and RS485/422 interfaces. The unit's power input is protected from transients and features 3kVDC isolation to prevent system ground loops. The Model 4172 media converter can be powered from a wide input range of 10VDC-36VDC, with models also available for other voltage ranges such as 4.5VDC-9VDC and 19VDC-72VDC.
Other features include user selectable fiber polarity and also TX, RX and Power indicator LEDs. Accessories include DIN rail mounting hardware and various AC input voltage power supplies.
Specifications:
• Fiber Interface:
◦Connectors: Fiber Optic ST Duplex
◦TX Power: -12.5 dBm
◦RX Sensitivity: -27.5 dBm
◦Optical Budget: 15 dB
◦Max. Link Distance with 62.5/125µm fiber:
■5.35 kM at up to 5 Mbps, 25°C
■3.75 kM at up to 5 Mbps, -40°C to +85°C
◦Wavelength: 820 nm/850 nm, multimode
◦Fiber Size: 50/125 µm, 62.5/125 µm, 100/140 µm.
•Fiber Polarity:
◦Logical 1 = Light ON/OFF: Jumper Selectable
•Copper Interface:
◦Connectors: DB9, Female
◦RS485 (2-wire/4-wire)
◦Terminations: RS485 120 Ohm jumper selectable
•Bit Rate (nom.):
◦RS485/422: 0 to 5 Mbps
•Network Configurations:
◦RS485/422 Point-to-Point
Multi-Point (Default ~280 uSec TX
disable time)
(user configurable TX disable time via a single thru-hole resistor)
•Indicators:
◦LEDs: TXD, RXD, PWR
•Power:
◦Input Power: 10VDC-36VDC std, 4.5VDC-9VDC, 19VDC-72VDC, Other at 1.5W.
◦Isolation: 3 kVDC
•Operating Environment:
◦-40°C to +85°C
•Model 4172 Mechanical (Desktop Unit):
◦Model / Cat No: 4172 / 304172
•Size: 5" x 4.25" x 1.4"
•Weight: 10.1 oz (286g)
•Mounting: 4 Threaded Holes Std, DIN Rail Optional
Manufacturer/supplier's information
| Company name: | Electro Standards Laboratories | |
| Business address: | 36 Western Industrial Drive Cranston, RI |
|
| Zip/postal code: | 02921 | |
| Telephone number: | 401-943-1164 | |
| Fax number: | 401-946-5790 | |
| Contact name: | Tina Corticelli [ Email ] |
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