401-943-1164 / US & Canada Toll Free: 877-943-1164

306766 - 6766 TTL Logic-to-ST Fiber Interface Converter (Desktop)

    Fiber Interface Converter (Desktop)
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Base Price:
$724.00
Catalog No: 306766
Model No: 6766
Chassis/Rack Configuration:Desktop
Connector/Port:(8) ST/(4) 4-Position Terminal Strip
Convert To:ST Fiber
Convert From:TTL Logic
Fiber Size:50/125, 62.5/125, 100/140
Speed:0 to 5 Mbps, Nominal
Wavelength Nano:820nm/850nm, multimode

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Shipping Terms

Shipments are made via UPS Ground, unless otherwise specified. Freight charges are prepaid and added to your invoice. We can estimate the freight costs for you.

We can ship freight collect on your account, just provide your UPS Account Number.

We can also ship via the carrier of your choice. Provide the details and your account number.

Products shall be shipped F.O.B. Electro Standards' facility. Title to and risk of loss or damage to the products shall pass to you upon Electro Standards delivery of the products to a carrier for shipment. Title to software will remain with the applicable licensor. Electro Standards' prices do not include shipping and handling charges. Electro Standards reserves the right to use its own discretion in the manner and routing of shipments. Electro Standards shall be permitted to deliver products in separate lots.

Shipping Return Policy

  • To return an item, contact Electro Standards at 401-943-1164 to obtain a Return Material Authorization (RMA) number. RMA numbers are valid for 30 days after the date of the shipment and cannot be extended or re-issued. We are unable to accept returns without an RMA number.
  • All returns except those of defective product are subject to a 15% restocking fee, and additional charges for handling or freight are refunded only in cases of defective products.
  • Return freight must be shipped prepaid. We recommend that you insure the package as you are responsible for risk of loss on all returned packages. We recommend that all cartons are properly packed as Electro Standards is not responsible for product damaged en route. We do not issue call tags for product returns.
  • Returned product must be clean, undamaged, and complete with all manuals, accessories, documents and packaging. The items must be in a resalable condition.
  • The product must have with it a copy of the original invoice or packing slip and the appropriate RMA paperwork.
  • If your item is not working properly, please contact Electro Standards at 401-943-1164 for help in trouble-shooting your application.
  • If the product is defective, Electro Standards will repair or replace that item (at our discretion) upon receipt and evaluation of the original product.
  • Electro Standards reserves the right to authorize product returns after 30 days from the invoice date in some cases. If the product is accepted after 30 days, credit will be issued toward future pruchases only and some additional restocking charges may be applied.
  • All credits from RMAs must be used within one calendar year of issue.

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Overview

Interface Converters, TTL Logic-to-ST Fiber, Copper to Glass Fiber
Model 6766 Four Channel TTL Logic-to-ST Fiber Converter, Desktop

  • Converts TTL Logic signals to ST Fiber Optic signals.
  • Model 6766 desktop unit has screw terminal strips for easy connection of the copper logic signals. 

Model 6766 Four Channel TTL Logic-to-ST Fiber Interface Converter, Desktop

To view a Board version of this converter, click here or see Model 6765 on the Related Products tab.

Model 6766 Desktop Unit:
Copper/Glass Fiber Input/output Diagram:
TTL Logic Pair A, B, C and D convert signals to the ST Fiber Pair, A, B, C, and D.
Copper Interface:
(2) Terminal Strips, CH A, CH B, CH C, CH D
(2) Terminal Strips, Digital Ground
Glass Fiber Optic Interface: ST, Multimode, 820 nm on front panel
Optional jumpers are located on circuit board inside the Model 6766 enclosure.

Model 6766 Desktop Unit: Copper/Glass Fiber Input/Output diagram

 Model 6766 Desktop Unit Four Channel TTL Logic-to-ST Fiber Converter Block Diagram

Model 6766 Desktop Unit: Four Channel TTL Logic-to-ST Fiber Converter

INTRODUCTION:

The Model 6766 is a high speed digital logic level to fiber interface converter from Electro Standards Laboratories. The Model 6766 translates four input/output TTL logic pairs into four ST Fiber Optic pairs, resulting in a total of eight fiber optic connections. Typical operating speeds are up to 5 Mbps. 

  • Features include ESD protection on all copper interfaces, convenient ST fiber connectors, and logic test points that allow for signal monitoring.
  • Provision for user selectable jumpers for fiber light ON/OFF polarity located on circuit board inside the Model 6766 enclosure.  .
  • See Model 6765, Cat No 306765 for a board version of this board unit.

 SPECIFICATIONS:

  •  Optical Interface:

    • TX Power: -17 dBm
    • RX Sensitivity: -27.5 dBm
    • Wavelength: 820 nm, multimode
    • Fiber Size: Accepts 50/125 micron, 62.5/125 micron, or 100/140 micron 
  • Fiber Polarity:
    • Logical 0 = Light ON/OFF: User Selectable via Jumper
    • Logical 1 = Light ON/OFF: User Selectable via Jumper
  • Copper Interface: 
    • Type: TTL Logic
    • Vih range: (1.4 - 2.1)Vdc
    • Vil range: (0.6 - 1.4)Vdc 
  • Bit Rate (nom.):
    • 0 to 5 Mbps, Nominal
  • Operating Environment:
    • 0° C to 70° C

 Model 6766, Cat. No. 306766 Desktop Unit:

  • Copper Connectors:
    • Copper I/O:
      • (1) Terminal Strip: Channels TXA, TXB, TXC, TXD.
      • (1) Terminal Strip: Channels RXA, RXB, RXC, RXD
      • (2) Terminal Strips: Digital Ground, for each channel.
  • Glass Fiber Connectors:
    • (8) ST Connectors: RXA, TXA, RXB, TXB, RXC, TXC, RXD, TXD
  • Power:
    • Supply Voltage: (4.75 - 5.25) Vdc
    • Supply Current: 350 mA
    • Power Supply included: (ESL PN: 521091)
  • Mechanical:
    • Model 6766 / 306766 (Desktop Unit)
    • Size 8.38" W x 1.73" H x 8.0" D [21.9 x 4.6 x 22.9 cm]
    • Weight: 2.5 lbs (1.1 kg)
    • Optional DIN Rail Mounting Kit: Cat. No. 520418; Attaches to the bottom cover of the Model 6766 Fiber Interface Converter for applications requiring a DIN Rail.

 Click here to view more of ESL's Media Converters: /Search/?catid=135&category=Interface Converters&filter=

Model 6765 board only and Model 6765 desktop unit Four Channel TTL Logic-to-ST Fiber Optic Converter

 All data switches, fiber optic interface converters, data communication products, and data acquisition products are subject to a one year warranty against manufacturing defects.  The limit of ESL liability is limited to the cost of the ESL product provided. 
 *Prices of Fiber Optic Converters online are subject to change and verification. 
All ESL products are available for export.

Electro Standards welcomes International inquiries: Convertisseurs d'interface, Interfaz de Convertidores, Convertitori di interfaccia, Mediakonwertery, Conversores de Interface.

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Developer Tools

Database Activity Shipping Rates Performance Tracking Cache Storage Session Storage
0.3615313 seconds
# Seconds Since First Hit Trace Command Type Command Text Parameters Execution Time
1. 0 DBInterface.GetDataT show Text SELECT TOP(1) '0' AS ArticleID, 0 As ID, Product.MetaTitle As PageTitle, Product.MetaDescription As show - 0.0156296
2. 0 DBInterface.GetDataT show StoredProcedure [dbo].[DefaultSearchAttributeGetByUserID] @g_UserID =b2909942-2da1-4257-aced-538e276f2c6e
 0
3. 0.0584138 DBInterface.get_oSQL show StoredProcedure [dbo].[RecentlyViewedListLoadByEntityType] @UserID=b2909942-2da1-4257-aced-538e276f2c6e
@EntityType=product
@RowCount=5
@SiteID=1
 0
4. 0.0584138 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @PageUrl=/306766-6766-ttl-logic-to-st-fiber-interface-converter-desktop-362.html
@Type=PRODUCT
 0
5. 0.1053081 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductLoadByPrimaryKey] @ProductID=362
@SiteID=1
@UserID=b2909942-2da1-4257-aced-538e276f2c6e
 0.0468943
6. 0.1209375 DBInterface.GetDataT show StoredProcedure [dbo].[CategoryListByProductId] @ProductId=362
@SiteID=1
@ShowHidden=False
 0
7. 0.1284616 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @Type=CATEGORY
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8. 0.1284616 DBInterface.GetDataT show StoredProcedure [dbo].[DocumentLoadByProductKey] @ProductID=362
 0
9. 0.1284616 DBInterface.get_oSQL show StoredProcedure [dbo].[ImageLoadByProductKey] @ProductID=362
 0
10. 0.1284616 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductRelationshipListByProductID] @ProductID=362
@SiteID=1
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11. 0.1441081 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductRelationshipListByProductID] @ProductID=362
@SiteID=1
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12. 0.1597501 DBInterface.GetDataT show StoredProcedure [dbo].[Pricing_OutputPricing] @ItemCode=306765
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13. 0.1597501 DBInterface.GetDataT show StoredProcedure [dbo].[Pricing_OutputPricing] @ItemCode=520418
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14. 0.1597501 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductRelationshipListByProductID] @ProductID=362
@SiteID=1
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15. 0.1754268 DBInterface.get_oSQL show StoredProcedure [dbo].[CL_procGetOtherProductsBought] @ProductID=362
@SiteID=1
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16. 0.1754268 DBInterface.get_oSQL show StoredProcedure [dbo].[AccessoryListLoadByProductKey] @ProductID=362
@ShowHidden=0
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17. 0.1910145 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductLoadByPrimaryKey] @ProductID=362
@SiteID=1
 0
18. 0.1910145 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductLoadByPrimaryKey] @ProductID=362
@SiteID=1
 0
19. 0.1910145 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=362
@SiteID=1
@UserID=b2909942-2da1-4257-aced-538e276f2c6e
@ShowHidden=0
 0
20. 0.2066228 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=362
@UserID=b2909942-2da1-4257-aced-538e276f2c6e
@SiteID=1
 0.0156083
21. 0.2601799 DBInterface.GetDataT show StoredProcedure [dbo].[DefaultSearchAttributeGetByUserID] @g_UserID =b2909942-2da1-4257-aced-538e276f2c6e
 0.0535571
22. 0.2601799 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesBySkuId] @SkuId=362
 0
23. 0.2601799 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesByProductId] @ProductId=362
 0
24. 0.2601799 DBInterface.GetDataT show StoredProcedure [dbo].[AttributesDistinctByProductID] @ProductId=362
 0
25. 0.2601799 DBInterface.GetDataT show StoredProcedure [dbo].[procGetAllCountryList] - 0
26. 0.2758035 DBInterface.GetDataT show StoredProcedure [dbo].[procGetCountryStatesList] @CountryCode=USA
 0.0156236
27. 0.2758035 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @PageUrl=/306766-6766-ttl-logic-to-st-fiber-interface-converter-desktop-362.html
@Type=PRODUCT
 0
28. 0.2914289 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductLoadByPrimaryKey] @ProductID=362
@SiteID=1
@UserID=b2909942-2da1-4257-aced-538e276f2c6e
 0.0156254
29. 0.2914289 DBInterface.GetDataT show StoredProcedure [dbo].[CategoryListByProductId] @ProductId=362
@SiteID=1
@ShowHidden=False
 0
30. 0.2914289 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @Type=CATEGORY
 0
31. 0.2914289 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=362
@SiteID=1
@UserID=b2909942-2da1-4257-aced-538e276f2c6e
@ShowHidden=0
 0
32. 0.3070575 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesBySkuId] @SkuId=362
 0
33. 0.3070575 DBInterface.GetDataT show StoredProcedure [dbo].[DocumentLoadByProductKey] @ProductID=362
 0
34. 0.3070575 DBInterface.get_oSQL show StoredProcedure [dbo].[ImageLoadByProductKey] @ProductID=362
 0
35. 0.3070575 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductRelationshipListByProductID] @ProductID=362
@SiteID=1
 0
36. 0.330258 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductRelationshipListByProductID] @ProductID=362
@SiteID=1
 0.0075164
37. 0.330258 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=362
@SiteID=1
@UserID=b2909942-2da1-4257-aced-538e276f2c6e
@ShowHidden=0
 0
38. 0.3459017 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=362
@UserID=b2909942-2da1-4257-aced-538e276f2c6e
@SiteID=1
 0.0156437
39. 0.3459017 DBInterface.GetDataT show StoredProcedure [dbo].[DefaultSearchAttributeGetByUserID] @g_UserID =b2909942-2da1-4257-aced-538e276f2c6e
 0
40. 0.3459017 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesBySkuId] @SkuId=362
 0
41. 0.3459017 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesByProductId] @ProductId=362
 0
42. 0.3459017 DBInterface.GetDataT show StoredProcedure [dbo].[AttributesDistinctByProductID] @ProductId=362
 0
43. 0.3459017 DBInterface.GetDataT show StoredProcedure [dbo].[Cart_LoadByUserID] @UserID=b2909942-2da1-4257-aced-538e276f2c6e
@SiteID=1
 0
Total DB Execution Time 0.1860984
Session Key Session Value
UserId b2909942-2da1-4257-aced-538e276f2c6e
IsDynamicallyGeneratedUserId True
AdminLastPage /GetProduct.aspx?PageKey=%2f306766-6766-ttl-logic-to-st-fiber-interface-converter-desktop-362.html&unq=8/7/2026 2:01:03 AM
OrderNumber
AdminLastSitePage /306766-6766-ttl-logic-to-st-fiber-interface-converter-desktop-362.html
Section Execution Time
DBInterface.vb 0
MasterPage.master 0.3615313
DeveloperTools.ascx 0
Load Time:0.3615313s  |  Database Hits: 43