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PRODUCT DESCRIPTION
8937-HN Fibre optic extender module
MTL 8937-HN is a fibre-optic extender used to extend an RS485-connected I/O arrangement through optical links. It provides two optical channels and separate power, screen-earth and electrical communication connections in the documented MTL installation arrangement.
The SCI-1021 control drawing defines the optical energy limits, protective enclosure and hazardous-location installation conditions. Its live-disconnect provision applies to the module power connection under those conditions; the 8937-HN and later 8937-HN2 remain distinct catalog references.
The SCI-1021 control drawing defines the optical energy limits, protective enclosure and hazardous-location installation conditions. Its live-disconnect provision applies to the module power connection under those conditions; the 8937-HN and later 8937-HN2 remain distinct catalog references.
BEFORE YOU BUY
Confirm the complete 8937-HN identity
ACTUAL APPLICATIONS
Application fields for 8937-HN
These broad application fields reflect the documented function and technical characteristics of 8937-HN.
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01 · OIL & GAS
Oil, Gas and Hydrocarbon Sectors
Onshore oil and offshore natural gasPetrochemical materials and refined hydrocarbon sectors -
02 · CHEMICALS
Industrial and Specialty Chemical Sectors
Industrial chemicals and fine chemical sectorsSpecialty materials and inorganic chemical sectors -
03 · PUBLIC UTILITIES
Water, Energy and Environmental Utilities
Drinking water and municipal environmental utilitiesRegional energy and industrial water utilities
Technical specifications for 8937-HN
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Product Model8937-HN
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Product ParametersFibre optic extender module
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In stock1 unit
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ManufacturerMTL Insturments Group
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Electrical interfaceRS485
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Fiber channels2; FO1 and FO2
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Nominal power connection24 V DC
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Auxiliary logic connection5 V; less than 100 mA
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Maximum optical source output0.423 mW
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Maximum incoming optical power35 mW
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Required equipment enclosureIP54 minimum
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Documented hazardous locationClass I Division 2 Groups A–D / Class I Zone 2
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Temperature classT5 at ambient 70 °C
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Power removal/insertionLive disconnect supported per SCI-1021
View all additional
Alternative Names
8937-HN
MTL 8000 fibre extension
Fibre optic extender module
SYSTEM & REPLACEMENT CHECK
Information needed before ordering
Three direct checks to secure your system integration and minimize ordering risks.
Information
System integration
Replacement check
Manuals & support
SYSTEM INTEGRATION
Integrate 8937-HN within MTL 8000 fibre extension
Connect the RS485 interface and the FO1/FO2 transmit and receive channels according to the MTL SCI-1021 drawing. Preserve the intended optical path and mode selection, and identify the 24 V DC, 0 V and screen-earth connections before energizing.
Install the 8937-HN in a suitable equipment enclosure meeting at least IP54. Apply the specified Class I Division 2 or Zone 2 installation conditions and optical limits, including a maximum incoming optical source power of 35 mW.
Check optical continuity, transmit/receive orientation and the associated I/O-link diagnostics after connection. The drawing identifies live disconnect for the module power connection; this provision does not remove the installation and hazardous-area wiring requirements.
Features:
- Electrical interface: RS485
- Fiber channels: 2; FO1 and FO2
- MTL 8000 fibre extension
Use 8937-HN only within the documented MTL 8000 fibre extension arrangement and applicable installation instructions.
INTERCHANGEABILITY
Replace 8937-HN within MTL 8000 fibre extension
Record the 8937-HN label, hardware identification, mode selection and all fiber paths before exchange. Honeywell has published a lifecycle notice naming 8937-HN2 as a replacement part, but the two identifiers should not be merged into one spare record.
Inspect the protective enclosure, RS485 wiring and optical connectors against SCI-1021. Keep each transmit/receive pair and screen-earth connection identified, and confirm that the replacement is approved for the actual installation and optical source conditions.
After fitting the spare, verify the recovered optical links and the connected I/O data rather than relying only on a power indication. Retain the installation drawing and actual label approval information with the maintenance record.
Features:
- Electrical interface: RS485
- Fiber channels: 2; FO1 and FO2
- MTL 8000 fibre extension
Use 8937-HN only within the documented MTL 8000 fibre extension arrangement and applicable installation instructions.
DOCUMENTATION STATUS
Browse the Manuals, Datasheets, Official Documents, Links
Important Notice: The linked files are Amikong-hosted reference documents. Match their product identity and scope to the supplied assembly, and consult the applicable manufacturer instructions before use. Accessories and additional documents are included only when expressly listed in the quotation.Features:
- Exact-model technical data for 8937-HN
- Document applicability checked against the complete identity
- Directory links by subcategory and brand
Documentation for 8937-HN must match the installed product identity and supplied configuration.
Also searched as
Important notice
Manuals, software, firmware, cables, calibration data and accessories are included only when listed in the quotation. AMIKON is an independent supplier and is not affiliated with or authorised by the manufacturer.
This content has been produced using multiple sources. Takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
BUYER INFORMATION
Commercial terms without hidden steps
Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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Shipping & delivery
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DispatchEligible stock: same / next day
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CarriersDHL, FedEx or UPS
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Ship fromXiamen, China
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Product size7.00 x 12.00 x 13.20 cm
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Net weight0.35 kg
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Payment & customs
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PaymentBank transfer (T/T)
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CurrenciesUSD · EUR · GBP · RMB
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Credit cardsNot accepted
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HS reference8517623990
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OriginUnited Kingdom
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Warranty & returns
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Warranty12 months from AMIKON
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InspectionLabel, condition and packing checks
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ReturnsPrior RMA authorisation required
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CompatibilityConfirm before order
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OEM warrantyDoes not apply
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Your written quote confirms the product identity, price, availability, lead time, warranty and shipping terms before payment.
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Part checked
Full suffix recorded -
Condition checked
Label and appearance -
Packing checked
Antistatic protection -
Tracking supplied
Established couriers -
Sandy Lin
Dedicated account manager · 15+ years
FREQUENTLY ASKED QUESTIONS
Questions buyers ask about 8937-HN
Direct answers about identity, compatibility, stock, warranty, payment and shipping.
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Is 8937-HN manufactured by Honeywell?
The extender belongs to MTL, now within Eaton. Its use with a Honeywell arrangement does not make Honeywell the extender manufacturer. -
How many optical paths appear on SCI-1021?
The 8937-HN drawing shows two channels, FO1 and FO2, each with transmit and receive connections. -
What enclosure is required for this MTL extender?
SCI-1021 requires a suitable equipment enclosure meeting IP54, subject to the applicable approval and local installation acceptance. -
What optical input limit must be checked?
The drawing limits incoming fiber-optic source power to 35 mW and identifies a maximum local optical output of 0.423 mW. -
Does the power live-disconnect note cover every field connection?
No. SCI-1021 specifically describes module power removal/insertion; other wiring and hazardous-area requirements still apply. -
Can an HN2 label be treated as the original HN?
No. 8937-HN2 is a separate identifier referenced in the lifecycle notice. Confirm its installation applicability instead of silently changing the suffix. -
What should an MTL extender quotation preserve?
Retain 8937-HN, the actual approval label and the intended optical arrangement. List any required IOTA, fibers or mating parts separately. -
What should be checked when a legacy 8937-HN arrives?
Inspect the full HN label, fiber sockets, electrical terminals and supplied mounting items. Confirm the actual condition and dispatch commitment in the written offer.
READY TO VERIFY YOUR PART?
Get a 8937-HN quote with price, lead time and revision check.
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