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

Catalog # 308444 - Model 8444 4-Channel RJ45 / BNC A/B Switch, 75 Ohm

    4-Channel RJ45 / BNC A/B Switch, 75 Ohm
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Base Price:
$810.00
Catalog No: 308444
Model No: 8444
Switch Type (Fiber, Ethernet, etc.):Coax/BNC, Ethernet
Interface:RJ45/BNC
Positions:A/B, Common - Multi-Channel
Channels per Switch/Chassis:4
Chassis/Rack Configuration:Desktop
Compliance/Category Rating:Cat5e
Connector/Port:RJ45/BNC
Pins Switched:All 8 of RJ45, Center Conducter and Shield of BNC
Ohms:75
Local/Manual Control:Rotary Switch

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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

Multi Interface Copper Network Switches
Cat5e Manual Network Switch, RJ45, BNC 
Model 8444 Quad-Channel RJ45/BNC A/B Switch, Manual Operation

  • Simultaneously Switches 1 Channel RJ45 (Cat5e) and 3 Channels BNC (75 Ohm) 

 Model 8444 4-Channel RJ45/BNC A/B Switch, Manual Operation, 75 Ohm

SPECIFCATIONS:

  • CHANNEL 1  PORT CONNECTORS:  (3) RJ45 female connectors labeled A, B, and COMMON.
  • CHANNELS 2, 3 and 4 PORT CONNECTORS: Each of three channels has (3) BNC female connectors labeled A, B, and COMMON.
  • FRONT PANEL CONTROL: (1) Rotary Switch on front panel selects A or B.
  • POWER: No power required.
  • DIMENSIONS: Desktop 8.11" W x 8.03" D x 2.45" H (20.6 x 20.4 x 6.3 cm)
  • WEIGHT: Approximately 1.7 lbs. (0.8 kg)

MULTI-INTERFACE RJ45 (Cat5e) / BNC A/B SWITCH APPLICATION:
The drawing illustrates four channels of A/B switching.

  • Channel 1 is a Cat5e RJ45 A/B switch.
  • Channel 2, 3, and 4 are BNC A/B switches (75 ohm coaxial interface).
  • Each channel has a COMMON port with access to two ports labeled A and B.
  • All four channels are switched simultaneously from A position to B position or from B position to A position via front panel rotary switch.
  • Simultaneously switches all four multi-interface channels.

Model 8444 Quad Channel Cat5e RJ45 / BNC (75 Ohm) A/B Switch

 FEATURES:

  • Each channel allows quick connection to any one of two devices from one COMMON device.
  • Simultaneously switches all four channels via front-panel rotary switch.
  • The RJ45 channel is rated for 10/100/1000 Base-T networks. (Up to Cat 5e)
  • All 8 pins of the RJ45 interface are switched via break-before-make rotary switch.
  • Channels 2, 3 and 4 switch both the shield and center conductor of the 75 Ohm coaxial interface via break-before-make rotary switch.
  • High quality sealed switch with self-wiping low impedance contacts. 
  • The ports are transparent to all data. 
  • Eliminates the need to plug and unplug cables.
  • No external power supply required.
  • Improves computer network efficiency by allowing sharing of peripherals.
  • Attractive anodized black box packaging provides EMI/RFI shielding.
  • Custom length RJ45 or BNC Coax cables are available for your switch installation.
  • For equivalent switch wired for 50 Ohm interface, see Model 8448, Cat No 308448. 
  • Lifetime warranty against manufacturing defects.

Each channel of the Model 8444 Quad-Channel A/B Switch allows a device connected to the COMMON port to access devices connected to the A or B ports. Channels 1 utilizes RJ45 connectors and are certified for Cat 5e compliance. Channels 2, 3, and 4 utilize BNC Coaxial connectors.  All four channels switch simultaneously. The Model 8444 is enclosed in a slim desktop style enclosure.

Custom Network Switches are available. Contact us by phone, email, or complete the Online Custom Products Form. /Products-Custom/Copper-Switch/

Electro Standards can supply all of your Network Cable requirements. Click here to reach our CABLES, COPPER NETWORK Webpage. 
 

All data switch boxes, 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 online are subject to change and verification.
All ESL Manual Data Network Switches are available for export.

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Developer Tools

Database Activity Shipping Rates Performance Tracking Cache Storage Session Storage
1.194419 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 - 0.0221886
2. 0 DBInterface.GetDataT show StoredProcedure [dbo].[DefaultSearchAttributeGetByUserID] @g_UserID =61a23959-b8c7-4cab-b3a0-ae961f631dd0
 0
3. 0.0156572 DBInterface.get_oSQL show StoredProcedure [dbo].[RecentlyViewedListLoadByEntityType] @UserID=61a23959-b8c7-4cab-b3a0-ae961f631dd0
@EntityType=product
@RowCount=5
@SiteID=1
 0
4. 0.0312813 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @PageUrl=/308444-8444-4-channel-rj45-bnc-a-b-switch-75-ohm-586.html
@Type=PRODUCT
 0
5. 0.0312813 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductLoadByPrimaryKey] @ProductID=586
@SiteID=1
@UserID=61a23959-b8c7-4cab-b3a0-ae961f631dd0
 0
6. 0.0312813 DBInterface.GetDataT show StoredProcedure [dbo].[CategoryListByProductId] @ProductId=586
@SiteID=1
@ShowHidden=False
 0
7. 0.0312813 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @Type=CATEGORY
 0
8. 0.0312813 DBInterface.GetDataT show StoredProcedure [dbo].[DocumentLoadByProductKey] @ProductID=586
 0
9. 0.0469074 DBInterface.get_oSQL show StoredProcedure [dbo].[ImageLoadByProductKey] @ProductID=586
 0
10. 0.0469074 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductRelationshipListByProductID] @ProductID=586
@SiteID=1
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11. 0.0469074 DBInterface.get_oSQL show StoredProcedure [dbo].[CL_procGetOtherProductsBought] @ProductID=586
@SiteID=1
 0
12. 0.0469074 DBInterface.get_oSQL show StoredProcedure [dbo].[AccessoryListLoadByProductKey] @ProductID=586
@ShowHidden=0
 0
13. 0.0469074 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=586
@SiteID=1
@UserID=61a23959-b8c7-4cab-b3a0-ae961f631dd0
@ShowHidden=0
 0
14. 0.0469074 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=586
@UserID=61a23959-b8c7-4cab-b3a0-ae961f631dd0
@SiteID=1
 0
15. 0.0469074 DBInterface.GetDataT show StoredProcedure [dbo].[DefaultSearchAttributeGetByUserID] @g_UserID =61a23959-b8c7-4cab-b3a0-ae961f631dd0
 0
16. 0.0625452 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesBySkuId] @SkuId=586
 0.0156378
17. 0.0625452 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=433
@SiteID=0
@ShowHidden=0
 0
18. 0.0625452 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=433
@UserID=
@SiteID=1
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19. 0.0625452 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=94
@SiteID=0
@ShowHidden=0
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20. 0.0625452 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=94
@UserID=
@SiteID=1
 0
21. 0.078187 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=935
@SiteID=0
@ShowHidden=0
 0.0156418
22. 0.078187 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=937
@UserID=
@SiteID=1
 0
23. 0.078187 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=2269
@SiteID=0
@ShowHidden=0
 0
24. 0.078187 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=2279
@UserID=
@SiteID=1
 0
25. 0.078187 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=981
@SiteID=0
@ShowHidden=0
 0
26. 0.0938102 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=983
@UserID=
@SiteID=1
 0.0156232
27. 0.0938102 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesByProductId] @ProductId=586
 0
28. 0.0938102 DBInterface.GetDataT show StoredProcedure [dbo].[AttributesDistinctByProductID] @ProductId=586
 0
29. 0.1003317 DBInterface.GetDataT show StoredProcedure [dbo].[procGetAllCountryList] - 0.0065215
30. 0.1003317 DBInterface.GetDataT show StoredProcedure [dbo].[procGetCountryStatesList] @CountryCode=USA
 0
31. 0.1003317 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @PageUrl=/308444-8444-4-channel-rj45-bnc-a-b-switch-75-ohm-586.html
@Type=PRODUCT
 0
32. 0.1003317 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductLoadByPrimaryKey] @ProductID=586
@SiteID=1
@UserID=61a23959-b8c7-4cab-b3a0-ae961f631dd0
 0
33. 0.1159768 DBInterface.GetDataT show StoredProcedure [dbo].[CategoryListByProductId] @ProductId=586
@SiteID=1
@ShowHidden=False
 0
34. 0.1159768 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @Type=CATEGORY
 0
35. 0.1159768 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=586
@SiteID=1
@UserID=61a23959-b8c7-4cab-b3a0-ae961f631dd0
@ShowHidden=0
 0
36. 0.1159768 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesBySkuId] @SkuId=586
 0
37. 0.1159768 DBInterface.GetDataT show StoredProcedure [dbo].[DocumentLoadByProductKey] @ProductID=586
 0
38. 0.1159768 DBInterface.get_oSQL show StoredProcedure [dbo].[ImageLoadByProductKey] @ProductID=586
 0
39. 0.1159768 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductRelationshipListByProductID] @ProductID=586
@SiteID=1
 0
40. 0.1316058 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=586
@SiteID=1
@UserID=61a23959-b8c7-4cab-b3a0-ae961f631dd0
@ShowHidden=0
 0.015629
41. 0.1316058 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=586
@UserID=61a23959-b8c7-4cab-b3a0-ae961f631dd0
@SiteID=1
 0
42. 0.1316058 DBInterface.GetDataT show StoredProcedure [dbo].[DefaultSearchAttributeGetByUserID] @g_UserID =61a23959-b8c7-4cab-b3a0-ae961f631dd0
 0
43. 0.1316058 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesBySkuId] @SkuId=586
 0
44. 0.1316058 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesByProductId] @ProductId=586
 0
45. 0.1316058 DBInterface.GetDataT show StoredProcedure [dbo].[AttributesDistinctByProductID] @ProductId=586
 0
46. 0.1316058 DBInterface.GetDataT show StoredProcedure [dbo].[Cart_LoadByUserID] @UserID=61a23959-b8c7-4cab-b3a0-ae961f631dd0
@SiteID=1
 0
Total DB Execution Time 0.0912419
Session Key Session Value
UserId 61a23959-b8c7-4cab-b3a0-ae961f631dd0
IsDynamicallyGeneratedUserId True
AdminLastSitePage /308444-8444-4-channel-rj45-bnc-a-b-switch-75-ohm-586.html
AdminLastPage /GetProduct.aspx?PageKey=%2f308444-8444-4-channel-rj45-bnc-a-b-switch-75-ohm-586.html&unq=9/21/2026 7:50:51 PM
OrderNumber
Section Execution Time
DBInterface.vb 0
MasterPage.master 0.1537944
DeveloperTools.ascx 0.0156262
Load Time:1.194419s  |  Database Hits: 46