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

Catalog # 305912 - Model 9447 DB9 2-Position Switch

    DB9 2-Position Switch
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Base Price:
$382.00
Catalog No: 305912
Model No: 9447
Switch Type (Fiber, Ethernet, etc.):Serial
Positions:2 (e.g. A/B and Common)
Channels per Switch/Chassis:1
Chassis/Rack Configuration:Rackmount
Connector/Port:DB9
Pins Switched:9
Local/Manual Control:Rotary Knob

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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

LineSelect™
DB9 / RS232 Manual Network Switch, Rotary Switches
LineSelect™ Model 9447 RS232 A/B Manual Data Network Switch,
DB9 Rackmount

  • Highly reliable A/B switch for any DB9 connector interface!
  • Popular for switching DB9 data interface of PC's, servers, keyboard, mice, joysticks, and more!

LineSelect™ Model 9447 DB9/RS232 A/B Switch, Manual, Rackmount

 SPECIFICATIONS:

  • PORT CONNECTORS: (3) DB9 female connectors labeled A, B, and COMMON. 
  • FRONT PANEL CONTROL: (1) Rotary switch on front panel selects A or B.
  • POWER: No power required.  Manually operated.
  • DIMENSIONS: Rackmount configuration, 19.0" W x 1.75" H x 8.74" D. (48.3 x 4.4 x 22.2 cm)
  • WEIGHT: Approximately 3.9 lbs. (1.8 kg)

DB9 RS232 A/B SWITCH APPLICATION: The diagram illustrates a Workstation or Computer connected to the DB9 COMMON port with access to Device A and Device B, connected to the DB 9 Port A and DB9 Port B, respectively.

LineSelect™ Model 9447 DB9 / RS232 A/B Switch Application Drawing.

FEATURES:

  • Allows access to two DB9 networks from one computer or workstation.
  • Manual operation via front-panel rotary switch.
  • High quality sealed switch with self-wiping low impedance contacts.
  • The switch ports are transparent to all data.
  • All 9 pins of the DB9 interface are switched via break-before-make rotary switch.
  • Improves computer efficiency by allowing sharing of peripherals.
  • Eliminates the need to plug and unplug cables.
  • No external power required.
  • Attractive all metal black box packaging provides EMI/RFI shielding.
  • Custom length DB9 cables available for your switch installation.
  • Lifetime warranty against manufacturer defects.

The LineSelect™ Model 9447enables easy access to two networks. It allows the user to reroute data between the two networks with a simple flip of the switch. The unit supports all 9 pins of the DB9 interface. No need to plug and unplug cables thereby eliminating connector wear.

The LineSelect™ Model 9447 is enclosed in a 1U, full rack size, all metal black chassis designed to provide EMI/RFI shielding and fit in a standard rack.

Don't forget to order your DB9 Cables! "A quality switch deserves quality cables!"

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
1.7462592 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. 0.0156242 DBInterface.GetDataT show StoredProcedure [dbo].[DefaultSearchAttributeGetByUserID] @g_UserID =6c98694b-d9a1-42c6-b59c-a75b2c2eac54
 0.0156242
3. 0.0312426 DBInterface.get_oSQL show StoredProcedure [dbo].[RecentlyViewedListLoadByEntityType] @UserID=6c98694b-d9a1-42c6-b59c-a75b2c2eac54
@EntityType=product
@RowCount=5
@SiteID=1
 0
4. 0.0533893 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @PageUrl=/305912-9447-db9-2-position-switch-256.html
@Type=PRODUCT
 0
5. 0.0533893 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductLoadByPrimaryKey] @ProductID=256
@SiteID=1
@UserID=6c98694b-d9a1-42c6-b59c-a75b2c2eac54
 0
6. 0.0533893 DBInterface.GetDataT show StoredProcedure [dbo].[CategoryListByProductId] @ProductId=256
@SiteID=1
@ShowHidden=False
 0
7. 0.0533893 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @Type=CATEGORY
 0
8. 0.0533893 DBInterface.GetDataT show StoredProcedure [dbo].[DocumentLoadByProductKey] @ProductID=256
 0
9. 0.0690321 DBInterface.get_oSQL show StoredProcedure [dbo].[ImageLoadByProductKey] @ProductID=256
 0.0156428
10. 0.0690321 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductRelationshipListByProductID] @ProductID=256
@SiteID=1
 0
11. 0.0690321 DBInterface.get_oSQL show StoredProcedure [dbo].[CL_procGetOtherProductsBought] @ProductID=256
@SiteID=1
 0
12. 0.0690321 DBInterface.get_oSQL show StoredProcedure [dbo].[AccessoryListLoadByProductKey] @ProductID=256
@ShowHidden=0
 0
13. 0.0847576 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=256
@SiteID=1
@UserID=6c98694b-d9a1-42c6-b59c-a75b2c2eac54
@ShowHidden=0
 0.0157255
14. 0.1003 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=256
@UserID=6c98694b-d9a1-42c6-b59c-a75b2c2eac54
@SiteID=1
 0.0155424
15. 0.1003 DBInterface.GetDataT show StoredProcedure [dbo].[DefaultSearchAttributeGetByUserID] @g_UserID =6c98694b-d9a1-42c6-b59c-a75b2c2eac54
 0
16. 0.1003 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesBySkuId] @SkuId=256
 0
17. 0.1003 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=45
@SiteID=0
@ShowHidden=0
 0
18. 0.1159323 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=45
@UserID=
@SiteID=1
 0.0156323
19. 0.1159323 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=152
@SiteID=0
@ShowHidden=0
 0
20. 0.1315507 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=152
@UserID=
@SiteID=1
 0.0156184
21. 0.1315507 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=864
@SiteID=0
@ShowHidden=0
 0
22. 0.1315507 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=866
@UserID=
@SiteID=1
 0
23. 0.1315507 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=82
@SiteID=0
@ShowHidden=0
 0
24. 0.1471744 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=82
@UserID=
@SiteID=1
 0.0156237
25. 0.1471744 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=172
@SiteID=0
@ShowHidden=0
 0
26. 0.1541872 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=172
@UserID=
@SiteID=1
 0.0070128
27. 0.1541872 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesByProductId] @ProductId=256
 0
28. 0.1541872 DBInterface.GetDataT show StoredProcedure [dbo].[AttributesDistinctByProductID] @ProductId=256
 0
29. 0.1541872 DBInterface.GetDataT show StoredProcedure [dbo].[procGetAllCountryList] - 0
30. 0.1541872 DBInterface.GetDataT show StoredProcedure [dbo].[procGetCountryStatesList] @CountryCode=USA
 0
31. 0.1541872 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @PageUrl=/305912-9447-db9-2-position-switch-256.html
@Type=PRODUCT
 0
32. 0.1763709 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductLoadByPrimaryKey] @ProductID=256
@SiteID=1
@UserID=6c98694b-d9a1-42c6-b59c-a75b2c2eac54
 0.0221837
33. 0.1789382 DBInterface.GetDataT show StoredProcedure [dbo].[CategoryListByProductId] @ProductId=256
@SiteID=1
@ShowHidden=False
 0.0025673
34. 0.1789382 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @Type=CATEGORY
 0
35. 0.1789382 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=256
@SiteID=1
@UserID=6c98694b-d9a1-42c6-b59c-a75b2c2eac54
@ShowHidden=0
 0
36. 0.1789382 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesBySkuId] @SkuId=256
 0
37. 0.1789382 DBInterface.GetDataT show StoredProcedure [dbo].[DocumentLoadByProductKey] @ProductID=256
 0
38. 0.1789382 DBInterface.get_oSQL show StoredProcedure [dbo].[ImageLoadByProductKey] @ProductID=256
 0
39. 0.1945823 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductRelationshipListByProductID] @ProductID=256
@SiteID=1
 0
40. 0.1945823 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=256
@SiteID=1
@UserID=6c98694b-d9a1-42c6-b59c-a75b2c2eac54
@ShowHidden=0
 0
41. 0.1945823 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=256
@UserID=6c98694b-d9a1-42c6-b59c-a75b2c2eac54
@SiteID=1
 0
42. 0.1945823 DBInterface.GetDataT show StoredProcedure [dbo].[DefaultSearchAttributeGetByUserID] @g_UserID =6c98694b-d9a1-42c6-b59c-a75b2c2eac54
 0
43. 0.1945823 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesBySkuId] @SkuId=256
 0
44. 0.2102275 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesByProductId] @ProductId=256
 0.0156452
45. 0.2102275 DBInterface.GetDataT show StoredProcedure [dbo].[AttributesDistinctByProductID] @ProductId=256
 0
46. 0.2102275 DBInterface.GetDataT show StoredProcedure [dbo].[Cart_LoadByUserID] @UserID=6c98694b-d9a1-42c6-b59c-a75b2c2eac54
@SiteID=1
 0
Total DB Execution Time 0.1568183
Session Key Session Value
UserId 6c98694b-d9a1-42c6-b59c-a75b2c2eac54
IsDynamicallyGeneratedUserId True
AdminLastSitePage /305912-9447-db9-2-position-switch-256.html
AdminLastPage /GetProduct.aspx?PageKey=%2f305912-9447-db9-2-position-switch-256.html&unq=8/7/2026 1:58:07 AM
OrderNumber
Section Execution Time
DBInterface.vb 0.7501248
MasterPage.master 0.2102275
DeveloperTools.ascx 0
Load Time:1.7462592s  |  Database Hits: 46