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

Catalog # 305247 - Model 9247 DB9 AB Switch Module

    DB9 AB Switch Module
Click image to enlarge
Base Price:
$135.00
Catalog No: 305247
Model No: 9247
Switch Type (Fiber, Ethernet, etc.):Serial
Positions:2 (e.g. A/B and Common)
Channels per Switch/Chassis:1
Chassis/Rack Configuration:Rack Module
Connector/Port:DB9 (MMM)
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

DB9 Manual Network Switches, All DB9 Male Connectors
Model 9247 A/B Manual Switch Module (MMM), Rackmount Configuration, Network Switch

  • High Quality Manual Data Network Switches Increase the Reliability of Your Network

Model 9247 DB9 A/B Switch Module with all DB9 Male Connectors.

SPECIFICATIONS:

  • PORT CONNECTORS: (3) DB9 male 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: Module 2.0" W x 5.0" H x 8.0" D. (5.1 x 12.7 x 20.3 cm)
  • WEIGHT: Approximately 0.5 lb. (0.3 kg)

DB9 A/B SWITCH MODULE APPLICATION: The drawing illlustrates ALL DB9 Male ports, A, B and COMMON. The DB9 cables are ALL DB9 female connectors. A COMMON device connected to the DB9 COMMON port can access either Device A or Device B using the front panel rotary switch. 

Model 9247 DB9 A/B Switch module application with all DB9 male connectors.

FEATURES:

  • Model 9247 allows quick connection to any one of two DB9 devices from one COMMON port.
  • All 9 pins of the DB9 interfaced are switched.
  • Manual operation via front-panel rotary switch.
  • High quality sealed switch with self-wiping low impedance contacts.
  • Transparent to data speed and format.
  • No external power supply required.
  • Attractive anodized aluminum packaging provides EMI/RFI shielding.
  • Slides into Model 9025 Module Rack or attaches to surface-mounted
    Vertical Mounting Plate Model 9417 (Cat.No. 500417).
    (See Related Products tab or Accessories tab) 
  • Lifetime guarantee against manufacturing defects.
  • For similar module, but with all female connectors (FFF)
    see     Model 9047, Cat No 305430. (See Related Products tab) 
  • Municipalities, schools, government: The Model 9247 is on GSA Schedule.

The Model 9247 allows the user to access two DB9 devices connected to the A and B ports from one DB9 device connected to the COMMON port.  Switching between devices A and B is quick and easy via the front panel rotary selector. 

Model 9025 Rackmount Chassis for Switch Modules (Cat No 305972) Features:

  • Rack can accommoodate up to eight Model 9247 A/B modules (2.0" W).
  • Rackmount chassis supports multiple switch module chassis of various widths.
  • Rack Size: 19" W x 5.25" H x 7" D. (48.3 x 13.3 x 17.8 cm)
  • Full opening for modules is 16.8" W. (42.7 cm)

Optional:

  • Module rack filler panel, 2.0" W, Cat No 305983 - Model 9008.
  • Module rack filler panel, 0.8" W, Cat No 305981 - Model 9011.
  • Other filler sizes available.

Modle 9025 Rack Chassis illustrated with other switch modules and optional filler panels. 

Model 9025 Rack Chassis illustrated with other switch modules and optional filler panels shown in the above photo.

Model 9417 Vertical Mounting Plate for Switch Modules (Cat No 500417):

  • Dimensions 5.0" H x 5.5" W (12.5 x 13.8 cm)
  • 1/6" Aluminum with four Pem fasteners, aligned for easy mounting of any 5.0" high module.

Vertical Mounting Plate for Switch Modules

This high-quality network switch is available to city, state, and federal government purchasers at a discounted price and favorable payment and shipping terms via GSA Schedule GS-35F-0286V. Click here or on GSA icon for details.  

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 products are available for export. 

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Developer Tools

Database Activity Shipping Rates Performance Tracking Cache Storage Session Storage
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3. 0.031239 DBInterface.get_oSQL show StoredProcedure [dbo].[RecentlyViewedListLoadByEntityType] @UserID=2649f9d2-19e2-466b-ad75-c64498701b13
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4. 0.046861 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @PageUrl=/305247-9247-db9-ab-switch-module-210.html
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6. 0.0625228 DBInterface.GetDataT show StoredProcedure [dbo].[CategoryListByProductId] @ProductId=210
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7. 0.0625228 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @Type=CATEGORY
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9. 0.0625228 DBInterface.get_oSQL show StoredProcedure [dbo].[ImageLoadByProductKey] @ProductID=210
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10. 0.0625228 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductRelationshipListByProductID] @ProductID=210
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11. 0.100508 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductRelationshipListByProductID] @ProductID=210
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17. 0.1629145 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductRelationshipListByProductID] @ProductID=210
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21. 0.247611 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductLoadByPrimaryKey] @ProductID=210
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22. 0.247611 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductLoadByPrimaryKey] @ProductID=210
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23. 0.247611 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductLoadByPrimaryKey] @ProductID=210
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24. 0.2636154 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductLoadByPrimaryKey] @ProductID=210
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32. 0.316805 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=210
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33. 0.316805 DBInterface.GetDataT show StoredProcedure [dbo].[DefaultSearchAttributeGetByUserID] @g_UserID =2649f9d2-19e2-466b-ad75-c64498701b13
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34. 0.316805 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesBySkuId] @SkuId=210
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35. 0.316805 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=28
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36. 0.3325232 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=28
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38. 0.3480616 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=31
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40. 0.3480616 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=40
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41. 0.3637015 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=49
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42. 0.3637015 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=49
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43. 0.3637015 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=1097
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44. 0.3793095 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=1099
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45. 0.3793095 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesByProductId] @ProductId=210
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46. 0.3793095 DBInterface.GetDataT show StoredProcedure [dbo].[AttributesDistinctByProductID] @ProductId=210
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47. 0.3858285 DBInterface.GetDataT show StoredProcedure [dbo].[procGetAllCountryList] - 0.006519
48. 0.3858285 DBInterface.GetDataT show StoredProcedure [dbo].[procGetCountryStatesList] @CountryCode=USA
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49. 0.3858285 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @PageUrl=/305247-9247-db9-ab-switch-module-210.html
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50. 0.4171068 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductLoadByPrimaryKey] @ProductID=210
@SiteID=1
@UserID=2649f9d2-19e2-466b-ad75-c64498701b13
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51. 0.4171068 DBInterface.GetDataT show StoredProcedure [dbo].[CategoryListByProductId] @ProductId=210
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52. 0.4171068 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @Type=CATEGORY
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@SiteID=1
@UserID=2649f9d2-19e2-466b-ad75-c64498701b13
@ShowHidden=0
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54. 0.4171068 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesBySkuId] @SkuId=210
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55. 0.4171068 DBInterface.GetDataT show StoredProcedure [dbo].[DocumentLoadByProductKey] @ProductID=210
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56. 0.4171068 DBInterface.get_oSQL show StoredProcedure [dbo].[ImageLoadByProductKey] @ProductID=210
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57. 0.4171068 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductRelationshipListByProductID] @ProductID=210
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58. 0.4483613 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductRelationshipListByProductID] @ProductID=210
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59. 0.4639907 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=210
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@UserID=2649f9d2-19e2-466b-ad75-c64498701b13
@ShowHidden=0
 0
60. 0.4639907 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=210
@UserID=2649f9d2-19e2-466b-ad75-c64498701b13
@SiteID=1
 0
61. 0.4639907 DBInterface.GetDataT show StoredProcedure [dbo].[DefaultSearchAttributeGetByUserID] @g_UserID =2649f9d2-19e2-466b-ad75-c64498701b13
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62. 0.4639907 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesBySkuId] @SkuId=210
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63. 0.4639907 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesByProductId] @ProductId=210
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64. 0.4796143 DBInterface.GetDataT show StoredProcedure [dbo].[AttributesDistinctByProductID] @ProductId=210
 0.0156236
65. 0.4796143 DBInterface.GetDataT show StoredProcedure [dbo].[Cart_LoadByUserID] @UserID=2649f9d2-19e2-466b-ad75-c64498701b13
@SiteID=1
 0
Total DB Execution Time 0.169355
Session Key Session Value
UserId 2649f9d2-19e2-466b-ad75-c64498701b13
IsDynamicallyGeneratedUserId True
AdminLastPage /GetProduct.aspx?PageKey=%2f305247-9247-db9-ab-switch-module-210.html&unq=11/6/2026 1:02:23 PM
OrderNumber
AdminLastSitePage /305247-9247-db9-ab-switch-module-210.html
Section Execution Time
DBInterface.vb 0
MasterPage.master 0.5174458
DeveloperTools.ascx 0
Load Time:0.5174458s  |  Database Hits: 65