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Triconex 4201N Remote Extender Module

Triconex 4201N Remote Extender Module

Triconex · Tricon Nuclear Equipment

4201N
Remote Extender Module · Remote RXM · 62.5/125 µm · 850 nm · ST

Role
Remote RXM
Fiber
62.5/125 µm
Optics
850 nm
Connector
ST
Application & Order CheckBuilt for confident replacement sourcing
Application Fit
  • Remote end of Tricon multimode I/O extension
  • Remote-chassis fiber interface maintenance
  • Exact 4201N installed spare replacement
Verify Before Order
  • Remote-end identity and 4201-3N set distinction
  • TX/RX mapping and ST connector condition
  • Remote chassis power and link-loss record

Lifecycle note: Maintain remote-chassis identity, fiber polarity and local power arrangements. Check 4201N assembly qualification and optical performance before returning the link to service.

  • ItemNO:

    4201N
  • Product Condition

    Original New with One Year Warranty
  • Parts Available

    In Stock and Same Day Shipping
  • Delivery Mode

    Shipping via DHL Fedex or UPS etc
Description
Technical Product Profile

Triconex 4201N

Remote Extender Module · Tricon Nuclear Equipment

Remote RXM62.5/125 µm850 nmST

Overview

Triconex 4201N is the remote-end module in the nuclear-equipment cross-reference for the standard 4201 RXM. It forms the remote side of the multimode Tricon I/O extension arrangement and must be paired with the correct primary-side equipment and approved chassis configuration.

The optical link uses 850 nm multimode transmission through 62.5/125 micrometre fiber and ST connections. The published 375 kbps rate describes I/O communication. Maximum distance is 2 km only when the total attenuation, connector and splice losses satisfy the applicable optical power budget.

Before changing the remote module, preserve the transmit/receive mapping, channel labels, remote-chassis identity and measured optical performance. Confirm local chassis power separately from the optical link. Order the exact 4201N identity and distinguish an individual module from the 4201-3N set.

Technical Data & PDF

Manufacturer Triconex
Model 4201N
Manufacturer cross-reference Nuclear 4201N corresponds to standard 4201
Module role Remote-end RXM
Set distinction 4201N is a module; 4201-3N is the listed set
Associated primary role 4200-series multimode primary RXM arrangement
I/O communication rate 375 kbps
Fiber core/cladding 62.5/125 µm multimode
Wavelength 850 nm
Maximum link length 2 km, conditional on total optical losses
Optical connector ST bayonet
Typical optical budget 15 dB
Worst-case optical budget 8 dB, including connector losses
Fiber path arrangement One transmit and one receive fiber per channel
4201N — Sales PLC Cover & Triconex DocumentationSales PLC reference cover followed by unchanged manufacturer document PDF pages 50, 82, 262–263.
Open Product Source
Confirm the exact 4201N configuration before orderingSend the complete model, quantity, destination and a clear nameplate photo.

Lifecycle & FAQ

Installed Tricon Nuclear Equipment4201N in service
→
Verify Exact ConfigurationModel, revision, interfaces, wiring and application
→
Replacement DecisionExact spare or engineered alternative
Availability CheckConfirm condition, quantity and lead time.
Compatibility CheckDo not assume interchangeability from a similar model.

Maintain remote-chassis identity, fiber polarity and local power arrangements. Check 4201N assembly qualification and optical performance before returning the link to service.

Product FAQ

How should transmit and receive fibers be checked at the remote end?

Trace each channel from the approved primary-to-remote drawing and verify transmitter-to-receiver continuity. Preserve channel labels so crossed fibers or mixed channels are not mistaken for a failed 4201N.

What does the ST connector style require during inspection?

The guide identifies ST bayonet connectors. Inspect the seating and locking arrangement and follow the approved optical-cleaning procedure; a connector that appears inserted may still have excessive loss.

Is 9/125 micrometre single-mode fiber the specified medium?

No. The corresponding remote RXM specification is 62.5/125 micrometre multimode at 850 nm. Confirm the installed cable markings before selecting replacement optical hardware.

Can an added splice be ignored when the route is shorter than 2 km?

No. Distance is only one contributor to attenuation. Include splice and connector losses in the complete power budget and verify the measured link after any fiber repair.

Can a remote 4201N simply be installed in the primary module position?

The manufacturer distinguishes primary and remote RXM roles. Preserve the designated role and set arrangement; matching fiber connectors do not establish interchangeability.

Does one healthy optical indication prove all three channels are correct?

No. Record and check the individual channel paths and system diagnostics. A single indication does not verify every transmit/receive pair or the complete remote I/O configuration.

Which spare-fiber information should a field team retain?

Keep the route, core allocation, end labels and measured loss for active and designated spare fibers. That record allows an approved fiber change without losing channel identity.

Does an intact optical link establish remote-chassis power health?

No. Optical continuity and local power are separate checks. Verify the remote chassis supply indications and system diagnostics together before concluding the remote equipment is ready.

Request a Verified Quotation

Send the model, complete part number, quantity, destination and nameplate photo. We will verify identification details before confirming availability and lead time.

Manufacturer PDF extract: 4201N — Sales PLC Cover & Triconex Documentation. File size is below 1 MB; verify the exact installed hardware and configuration before use.

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