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        4703X

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        Triconex 4703X is a Tricon CX fiber-to-fiber I/O bus interface module for optically linked expansion-chassis communication.
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        Ships by Sunday, October 18
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
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        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
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        Technical specifications for 4703X

        • Manufacturer:
          Invensys
        • Part Number:
          4703X
        • Product Family:
          Triconex
        • Product Type:
          Fiber I/O Bus Interface Module
        • Stock:
          1
        • Module role:
          I/O Bus Interface Module Fiber-Fiber (IMFF)
        • Compatible chassis:
          8131X I/O Expansion Chassis
        • Serial I/O protocol:
          RS-485
        • Fiber IOP protocols:
          1000Base-SX, 1000Base-LX, 1000Base-LX10, 1000Base-EX and 1000Base-BX10 via SFP
        • Fiber input interface:
          SFP
        • Fiber output interface:
          SFP
        • Serial output interface:
          RJ-45 RS-485
        • Serial I/O distance:
          Up to 100 ft (30 m)
        • Maximum fiber path:
          Up to 43.5 mi (70 km) with matching SFPs, from MP to final IMFF
        • Single-mode distance:
          Up to 12.4 mi (20 km)
        • Multi-mode distance:
          Up to 1800 ft (550 m)
        • Supported topologies:
          Star and star plus daisy chain
        • Fiber conversion:
          Single-mode to multi-mode, or multi-mode to single-mode, with suitable SFPs
        • Concurrent bus use:
          SFP IOP and RJ-45 RS-485 I/O bus ports can operate simultaneously
        • Module indicators:
          Pass, Fault and Alarm
        • Power indicators:
          Power 1 and Power 2 show in-spec or out-of-spec 24 V supplies
        • Serial-bus activity:
          I/O TX and I/O RX indicators
        • Fiber-link activity:
          Link In and Link Out show connectivity and traffic
        • Logic power:
          <8 W
        • SFP safety class:
          Class 1 Laser SFPs only
        • Tariff Code:
          8537101190
        • Country of origin:
          USA
        • Place of shipment:
          Xiamen,Fujian,China
        By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

        More Information

        Overview Manuals Applications Connectivity Protection Installation & Integration

        Features:

        • Provides fiber-optic media on both sides of the Tricon CX I/O bus interface.
        • Extends triplicated chassis communication through an optically isolated path.
        • Uses less than eight watts of logic power in the documented system design.
        The IMFF ordering configuration is intended for installations that retain fiber media across the complete interface.

        It carries redundant I/O bus traffic between chassis while separating copper ground paths.

        Project matching must include optical wavelength, fiber construction, connectors, route loss and chassis addressing.

        Availability is subject to Apter Power inventory and sourcing confirmation.
        Verified resources for Triconex 4703X:Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
        • Connects Tricon CX chassis across plant areas where fiber is preferred for distance or electrical isolation.
        • Maintains optical I/O bus segments through cabinet and field-routing boundaries.
        • Supports redundant expansion topologies that require a fiber-to-fiber interface at the chassis.
        • Fiber media carries each of the three I/O-bus channels across the expansion interface.
        • Both sides of the IMFF connection use optical links rather than a mixed serial-and-fiber arrangement.
        • Compatible transceivers, fiber mode and connector type must remain consistent across the complete path.
        • The optical path provides electrical separation between the connected chassis areas.
        • Connector end faces require cleaning and protection from contamination before coupling.
        • Specified bend-radius limits must be maintained so the fiber is not damaged or attenuated by installation stress.
        • Chassis addresses and paired interface positions must follow the approved Tricon CX expansion topology.
        • The fiber route should be verified end to end before the triplicated bus is returned to service.
        • A serial 4701X interface is not interchangeable without redesigning the media and adjoining bus connections.
        Description
        Triconex 4703X is the IMFF fiber-to-fiber I/O Bus Interface Module for Tricon CX. It carries all three I/O bus paths across optical media between the chassis interfaces defined by the system topology. The fiber implementation is intended for expansion layouts that require optical continuity throughout the link while retaining the controller's three-path I/O bus organization.

        An optical expansion path provides electrical separation between connected chassis areas and avoids introducing a conductive bus link. The module is suited to layouts in which both sides of the interface are designed for fiber transmission. It is particularly useful when chassis groups are separated by distance or electrical conditions that make a nonconductive interconnection desirable for the installed system.

        Correct operation relies on the documented transceiver type, fiber mode and connector route. Clean optical faces, controlled bend radius and consistent chassis addressing are essential when the link is installed or repaired. These optical details determine link integrity, so installation quality and exact interface pairing must be confirmed before relying on the remote chassis for process I/O.
        Alternative Names
        4703X Triconex 4703X 4703X Fiber I/O Bus Interface Module Triconex 4703X Fiber I/O Bus Interface Module 4703X Tricon CX Triconex 4703X Tricon CX Triconex 4703X Tricon CX Fiber I/O Bus Interface Module
        Technical notes
        4703X depends on matched optical media; confirm fiber type, transceivers, connector condition and bend radius before energizing the I/O bus.
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        FAQS

        The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
        VIEW ALL FAQS
        Which serial-media arrangement defines 4703X?
        Fiber connections on both sides identify the IMFF model and separate it from the serial IMSS alternative.
        What chassis-bus hardware must line up with 4703X?
        Compatibility depends on chassis interface positions, address plugs, fiber type, transceivers and optical connectors.
        Why would a project choose 4703X for I/O expansion?
        It extends Tricon CX I/O communication where optical isolation or a fiber route is part of the design.
        How is the sourcing status of 4703X verified for a maintenance window?
        A sourcing check covers the exact part, revision, requested condition, quantity and delivery location.
        Which I/O-bus connections need comparison before installing another 4703X?
        Keep the original wavelength, fiber mode, topology, connector preparation, path loss and chassis numbering.
        What topology information helps price and document 4703X?
        Send the bus drawing, fiber schedule, chassis list, installed module photos, quantity and required date.

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