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B&R X20HB2881 X20 2-Port Fiber Optic Hub Expansion Module

 
B&R · X20 HUB SYSTEM 2-PORT · 100BASE-FX
MULTIMODE FIBER EXPANSION

X20HB2881

B&R X20HB2881 is a two-port 100BASE-FX hub expansion module for extending POWERLINK networks over multimode fiber in compatible X20 hub stations.

INSTALLATION MATCH Install only in a supported hub-expansion slot; verify the host hardware revision, multimode fiber type and duplex LC connections before commissioning.
APPLICATION SNAPSHOT Two optical hub ports for extended POWERLINK segments
OPTICAL PORTS2 duplex LC
POWERLINK REACHUp to 2 km
PRODUCT STATUSOfficial B&R record
SELECTION CONTROLMatch host revision + fiber
Brand New OriginalFast DeliveryWorldwide Shipping
INQUIRE NOW
  • Worldwide delivery
  • Delivery from stock
  • In stock really means in stock
  • No account required
  • Shipped from the China
Product Specifications
Manufacturer B&R
Item number X20HB2881
Country of Origin Austria
Lead Time 2-3 DAYS
After-Sales Support One Year Warranty
HS Code / Commodity code Please confirm the destination before shipping.
FAQ

Quotes are valid for 30 days from the day the quote is received unless stated otherwise at the time of quotation.

Yes,we offer one year warranty for all new products.

Yes. We worked with FEDEX/DHL/TNT/UPS/ allowing us to provide swift global delivery of parts to any corner of the world.

Normally 3-5 working days,some remote areas 5-7 days more.

Product information
01
TECHNICAL PROFILE

X20HB2881 optical interface and installation data

Official optical, timing, isolation, host-slot and environmental data for the exact B&R hub expansion module.

100BASE-FX PORTS & OPTICAL LINK
Status indicatorsModule status and bus function LEDs
Power consumption2.3 W; rev. <E0: 2.8 W
Module typeHub expansion module
Physical layer100BASE-FX
Interface execution2x female duplex LC
Transfer rate100 Mbit/s
Half-duplexYes
Full-duplexNo
AutonegotiationNo
Auto-MDI/MDIXNo
Optical budget - 62.5/125 µm11 dB
Optical budget - 50/125 µm7.5 dB
POWERLINK segment lengthMaximum 2 km between stations
Half-duplex segment lengthMaximum 175 m between stations
HOST INTEGRATION & OPERATING LIMITS
Hub propagation delay0.96 to 1 µs
Typical wavelength1300 nm
Rx / Tx wavelength range1270 to 1380 nm
Cable fiber typeMultimode 62.5/125 µm or 50/125 µm
Cable connectorMale duplex LC on both sides
Electrical isolationPower supply isolated from Ethernet IF1 and IF2
Expansion slotX20BC8083 or X20HB8880
Mounting orientationHorizontal or vertical
Degree of protectionIP20
Installation elevationNo limitation from 0 to 2000 m
Elevation above 2000 mReduce ambient limit by 0.5°C per 100 m
Operating temperature-25 to 55°C maximum; depends on orientation and hub count
Storage and transport-40 to 85°C
Relative humidity5 to 95%, non-condensing
MODULE IDENTITYVerify X20HB2881 and the host revision

Verify the module label, host revision and fiber interface.

OPTICAL LINK CHECK
Compatible hub-expansion host
Matched multimode fiber
Duplex LC connections
02
SIGNAL WORKFLOW

How X20HB2881 extends a POWERLINK optical segment

A network view of electrical hub data, optical conversion, multimode fiber transmission and remote station connection.

STEP 01Verify the expansion host

Use a documented hub-expansion slot and check the required hardware revision before installation.

STEP 02Match the optical medium

Select supported 50/125 µm or 62.5/125 µm multimode fiber with duplex LC connectors.

STEP 03Plan the segment budget

Evaluate link length, optical power budget, connector losses and the full network topology before commissioning.

OPTICAL DATA PATHX20 hub data → 100BASE-FX interface → duplex LC fiber → remote POWERLINK stationTreat host revision, fiber type, optical budget and topology as one compatibility decision
USE 01Extend POWERLINK distance

Bridge longer machine or production-line segments using the supported optical network path.

USE 02Cross noisy plant areas

Use fiber where electrical interference makes copper communication less desirable.

USE 03Link separated machine sections

Connect distributed automation areas while retaining the documented X20 hub architecture.

USE 04Provide two optical branches

Add a pair of fiber interfaces through one compatible hub-expansion position.

USE 05Support cabinet separation

Carry network traffic between control enclosures without sharing an electrical data conductor.

USE 06Improve service visibility

Use module and bus LEDs when tracing optical connection or network-status problems.

03
PURCHASING FAQ

Questions buyers ask before ordering X20HB2881

Practical purchasing guidance for clearer, more confident decisions.

01
Which optical cable must be used with B&R X20HB2881?

Use multimode fiber with a 50/125 µm or 62.5/125 µm core and male duplex LC connectors at both ends. Include connector losses in the link-budget calculation.

02
Which X20 hosts accept B&R X20HB2881?

B&R specifies the hub-expansion positions associated with X20BC8083 and X20HB8880, and describes the modular expansion used with X20HB8815. Verify the exact host and available slot before ordering.

03
What network applications suit B&R X20HB2881?

It suits X20 POWERLINK installations that need two fiber-optic branches, longer station spacing or optical transmission between separated machine sections.

04
How should the current supply status of B&R X20HB2881 be confirmed?

B&R maintains an official product page and current downloads without a stated discontinuation notice. Actual stock, revision, condition and dispatch date are confirmed with the quotation.

05
Can B&R X20HB2881 replace X20HB2880 without changes?

No direct exchange should be assumed. X20HB2881 uses multimode fiber and duplex LC connections, while the alternative interface type, cabling, topology and host revision must be reviewed.

06
What should be provided for a B&R X20HB2881 manual and quotation request?

Send the full module and host labels, host hardware revision, fiber type, connector details, planned segment length, quantity, condition and delivery destination.

04
ABOUT THE SUPPLIER

About Company

A concise view of our sourcing scope, customer support and long-term approach.

GLOBAL AUTOMATION SOURCING

Practical support from identification to delivery

We combine broad product access with careful model verification, transparent communication and responsive service.

20+ years · worldwide customers
01Years of Global Experience

With 20+ years of industry experience, we serve customers worldwide and have built long-term relationships across the UK, Russia, UAE, India, Venezuela, and more.

02Professional Support Team

Our experienced team provides reliable pre-sales and after-sales support, helping customers select suitable products and resolve purchasing concerns.

03Wide Range of Brands

We supply leading automation brands covering PLCs, DCS, I/O modules, drives, motors, power supplies, communication modules, and more.

04Large In-Stock Inventory

A wide range of products is available from stock, including discontinued, obsolete, and hard-to-find parts, helping reduce sourcing time.

05Honesty & Trust

We value long-term cooperation and treat every customer with honesty, respect, responsibility, and care.

06Your Trusted Automation Partner

From a single replacement part to complete automation projects, we are ready to support your needs and build a long-term partnership.

International customer support team working in the Xiamen office01 · PEOPLE
GLOBAL SERVICE TEAM · XIAMEN OFFICE
PEOPLE + PROCESSResponsive support backed by organized sourcing.
Organized warehouse inventory for industrial automation sourcing02 · INVENTORY
IN-STOCK SOURCING · ORGANIZED INVENTORY
05
SERVICE CONTINUITY

After-Sales Support

Documentation, response and long-term spare-parts assistance for global customers.

SUPPORT 01Warranty Support

Most products are covered by a warranty of up to 12 months, subject to the applicable terms and conditions. If any product-related issue occurs during the warranty period, our team will assist you and provide an appropriate solution.

SUPPORT 02Technical Documentation

Relevant datasheets and technical literature can be provided with the goods, offering useful information for product identification, installation, operation, and maintenance.

SUPPORT 03Fast Response

We understand the importance of minimizing equipment downtime. Our team responds promptly to inquiries and provides professional assistance with product information, quotations, order status, shipping, and after-sales questions.

SUPPORT 04Global Customer Service

We serve customers worldwide and provide reliable assistance from inquiry to delivery and after-sales service, ensuring clear and timely communication throughout the process.

SUPPORT 05Long-term Spare Parts Supply

We continue to source discontinued, obsolete, and hard-to-find automation parts from various brands, helping customers maintain existing equipment and reduce downtime caused by spare parts shortages.

06
CROSS-BRAND CATALOGUE

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Explore additional industrial automation references available through our global sourcing network.

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DIRECT CONTACTStart your X20HB2881 inquirySend the module and host labels, host revision, fiber details and destination.
SALES MANAGERMay

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