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

Catalog # 305924 - Model 9924 5-Channel DB9 A/B Switch, Simultaneous Switching

    5-Channel DB9 A/B Switch, Simultaneous Switching
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Base Price:
$595.00
Catalog No: 305924
Model No: 9924
Switch Type (Fiber, Ethernet, etc.):Serial
Positions:A/B, Common - Multi-Channel
Channels per Switch/Chassis:5
Chassis/Rack Configuration:Rackmount
Connector/Port:DB9 Female
Pins Switched:9
Local/Manual Control:Rotary Switch

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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

Model 9924 Five-Channel DB9 A/B Switch, Manual, Simultaneous Switching, Rackmount
  • Switch Five Channels to an Alternate Path, Simultaneously!
  • Ideal for RS232, RS422, RS485 or ANY application that has a DB9 connector interface.
  • Popular in TV station Switching Applications 

Model 9924 5-Channel DB9 A/B Switch, Manual, Simultaneous Switching, Rackmount

SPECIFICATIONS:

  • PORT CONNECTORS: (3) DB9 female connectors labeled A, B, and COMMON for each of the 5 channels.
  • FRONT PANEL CONTROL: (1) Rotary Switch on front panel selects A or B position for all 5 channels.
  • POWER: No power required. Manually operated.
  • DIMENSIONS: Rackmount 19.0" W x 1.75" H x 8.66" D (48.3 x 4.4 x 22.0 cm)
  • WEIGHT: Approximately 4.4 lb. (2.0 kg) 

5-CHANNEL DB9 A/B SWITCH APPLICATION: The drawing illustrates a five DB9 COMMON ports connected to a COMMON Device. Each Channel has a COMMON port with access to two other devices, " Device A" and " Device B". All five channels simultaneously switch from "A" position to "B" position and back from "B" position to "A" position. 

Network Application for Model 9924 5-Channel DB9 a/B Switch, Manual, Simultaneous Switching

 FEATURES:

  • Each of five channels allows quick connection to any one of two devices from one COMMON device.
  • Simultaneously switches all five channels via front-panel rotary switch. 
  • High quality sealed switch with self-wiping low impedance contacts.
  • All 9 pins of the DB9 interface are switched via break-before-make rotary switch.
  • Ideal for RS232, RS422, RS485 or ANY application that has a DB9 connector interface.
  • The switch ports are transparent to all data.
  • Improves computer network efficiency by allowing sharing of peripherals.
  • Eliminates the need to plug and unplug cables.
  • Attractive all metal black box packaging provides EMI/RFI shielding.
  • Lifetime warranty against manufacturing defects.  

 With each of its five channels, the Model 9924 DB9 A/B Switch allows the user to access two DB9 interface devices connected to its A and B ports with one DB9 interface device connected to its COMMON port.  The five channels are switched simultaneously via a knob located on the front panel. See the application diagram above.  The Model 9924 is enclosed in a 1U, full rack size, all metal black chassis designed to provide EMI/RFI shielding and fit in a standard 19" rack.

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
2.7502185 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
2. 0 DBInterface.GetDataT show StoredProcedure [dbo].[DefaultSearchAttributeGetByUserID] @g_UserID =6d2d10d8-69c0-4c11-9fd3-38c032bc932d
 0
3. 0.0312248 DBInterface.get_oSQL show StoredProcedure [dbo].[RecentlyViewedListLoadByEntityType] @UserID=6d2d10d8-69c0-4c11-9fd3-38c032bc932d
@EntityType=product
@RowCount=5
@SiteID=1
 0.0155754
4. 0.0312248 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @PageUrl=/305924-9924-5-channel-db9-a-b-switch-simultaneous-switching-261.html
@Type=PRODUCT
 0
5. 0.0312248 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductLoadByPrimaryKey] @ProductID=261
@SiteID=1
@UserID=6d2d10d8-69c0-4c11-9fd3-38c032bc932d
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6. 0.0468591 DBInterface.GetDataT show StoredProcedure [dbo].[CategoryListByProductId] @ProductId=261
@SiteID=1
@ShowHidden=False
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7. 0.0468591 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @Type=CATEGORY
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8. 0.0468591 DBInterface.GetDataT show StoredProcedure [dbo].[DocumentLoadByProductKey] @ProductID=261
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9. 0.0468591 DBInterface.get_oSQL show StoredProcedure [dbo].[ImageLoadByProductKey] @ProductID=261
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10. 0.1093547 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductRelationshipListByProductID] @ProductID=261
@SiteID=1
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11. 0.1093547 DBInterface.get_oSQL show StoredProcedure [dbo].[CL_procGetOtherProductsBought] @ProductID=261
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12. 0.1093547 DBInterface.get_oSQL show StoredProcedure [dbo].[AccessoryListLoadByProductKey] @ProductID=261
@ShowHidden=0
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13. 0.1093547 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=261
@SiteID=1
@UserID=6d2d10d8-69c0-4c11-9fd3-38c032bc932d
@ShowHidden=0
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14. 0.1093547 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=261
@UserID=6d2d10d8-69c0-4c11-9fd3-38c032bc932d
@SiteID=1
 0
15. 0.1249873 DBInterface.GetDataT show StoredProcedure [dbo].[DefaultSearchAttributeGetByUserID] @g_UserID =6d2d10d8-69c0-4c11-9fd3-38c032bc932d
 0.0156326
16. 0.1249873 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesBySkuId] @SkuId=261
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17. 0.1249873 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=148
@SiteID=0
@ShowHidden=0
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18. 0.1249873 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=148
@UserID=
@SiteID=1
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19. 0.1249873 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=454
@SiteID=0
@ShowHidden=0
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20. 0.1406247 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=454
@UserID=
@SiteID=1
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21. 0.1406247 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=628
@SiteID=0
@ShowHidden=0
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22. 0.1406247 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=630
@UserID=
@SiteID=1
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23. 0.1406247 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=461
@SiteID=0
@ShowHidden=0
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24. 0.1562484 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=461
@UserID=
@SiteID=1
 0.0156237
25. 0.1562484 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=361
@SiteID=0
@ShowHidden=0
 0
26. 0.1562484 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=361
@UserID=
@SiteID=1
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27. 0.1562484 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesByProductId] @ProductId=261
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28. 0.1562484 DBInterface.GetDataT show StoredProcedure [dbo].[AttributesDistinctByProductID] @ProductId=261
 0
29. 0.1562484 DBInterface.GetDataT show StoredProcedure [dbo].[procGetAllCountryList] - 0
30. 0.1562484 DBInterface.GetDataT show StoredProcedure [dbo].[procGetCountryStatesList] @CountryCode=USA
 0
31. 0.1562484 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @PageUrl=/305924-9924-5-channel-db9-a-b-switch-simultaneous-switching-261.html
@Type=PRODUCT
 0
32. 0.1562484 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductLoadByPrimaryKey] @ProductID=261
@SiteID=1
@UserID=6d2d10d8-69c0-4c11-9fd3-38c032bc932d
 0
33. 0.1718704 DBInterface.GetDataT show StoredProcedure [dbo].[CategoryListByProductId] @ProductId=261
@SiteID=1
@ShowHidden=False
 0
34. 0.1718704 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @Type=CATEGORY
 0
35. 0.1718704 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=261
@SiteID=1
@UserID=6d2d10d8-69c0-4c11-9fd3-38c032bc932d
@ShowHidden=0
 0
36. 0.1718704 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesBySkuId] @SkuId=261
 0
37. 0.1718704 DBInterface.GetDataT show StoredProcedure [dbo].[DocumentLoadByProductKey] @ProductID=261
 0
38. 0.1718704 DBInterface.get_oSQL show StoredProcedure [dbo].[ImageLoadByProductKey] @ProductID=261
 0
39. 0.1874921 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductRelationshipListByProductID] @ProductID=261
@SiteID=1
 0
40. 0.1874921 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=261
@SiteID=1
@UserID=6d2d10d8-69c0-4c11-9fd3-38c032bc932d
@ShowHidden=0
 0
41. 0.1874921 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=261
@UserID=6d2d10d8-69c0-4c11-9fd3-38c032bc932d
@SiteID=1
 0
42. 0.1874921 DBInterface.GetDataT show StoredProcedure [dbo].[DefaultSearchAttributeGetByUserID] @g_UserID =6d2d10d8-69c0-4c11-9fd3-38c032bc932d
 0
43. 0.2031188 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesBySkuId] @SkuId=261
 0.0156267
44. 0.2031188 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesByProductId] @ProductId=261
 0
45. 0.2031188 DBInterface.GetDataT show StoredProcedure [dbo].[AttributesDistinctByProductID] @ProductId=261
 0
46. 0.2031188 DBInterface.GetDataT show StoredProcedure [dbo].[Cart_LoadByUserID] @UserID=6d2d10d8-69c0-4c11-9fd3-38c032bc932d
@SiteID=1
 0
Total DB Execution Time 0.0780958
Session Key Session Value
UserId 6d2d10d8-69c0-4c11-9fd3-38c032bc932d
IsDynamicallyGeneratedUserId True
AdminLastPage /GetProduct.aspx?PageKey=%2f305924-9924-5-channel-db9-a-b-switch-simultaneous-switching-261.html&unq=4/3/2025 10:54:22 PM
OrderNumber
AdminLastSitePage /305924-9924-5-channel-db9-a-b-switch-simultaneous-switching-261.html
Section Execution Time
DBInterface.vb 0
MasterPage.master 0.2031188
DeveloperTools.ascx 0
Load Time:2.7502185s  |  Database Hits: 46