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

Catalog # 304190 - Model 8253-PC DB25 2-Position Switch

    PC DB25 2-Position Switch
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Base Price:
$115.00
Catalog No: 304190
Model No: 8253-PC
Switch Type (Fiber, Ethernet, etc.):Serial
Positions:2 (e.g. A/B and Common)
Channels per Switch/Chassis:1
Chassis/Rack Configuration:Desktop
Connector/Port:DB25
Local/Manual Control:Rotary Knob

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UPS

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

DB25 Manual Network Switches, 2-Positions, Rotary Switches
Model 8253-PC PC Parallel Interface Desktop
Manual A/B Switch with DB25 Connectors

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

Features:

  • 2-Position manual data network switch
  • Model 8253-PC AB manual network switch is one of the best and longest
    lasting switches made
  • Copper network data switch
  • Lifetime guaranteed!
  • Available with any combination of male and female connectors
  • All aluminum enclosure, specifically designed to be EMI/RFI (interference) resistant in noisy environments
  • Female connectors are standard. No extra charge when you specify male connectors
  • Total cable length from PC, thru switch, to printer should not exceed 150'
  • Electro Standards manufactures a wide range of RS232 network switches.

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 are subject to change without notice.
All ESL Manual Data Network Switches are availabe for export.

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Developer Tools

Database Activity Shipping Rates Performance Tracking Cache Storage Session Storage
0.803458 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 - 0.015632
2. 0 DBInterface.GetDataT show StoredProcedure [dbo].[DefaultSearchAttributeGetByUserID] @g_UserID =d88b22eb-fcec-44ab-b5d0-ad1bd110fdff
 0
3. 0.0468725 DBInterface.get_oSQL show StoredProcedure [dbo].[RecentlyViewedListLoadByEntityType] @UserID=d88b22eb-fcec-44ab-b5d0-ad1bd110fdff
@EntityType=product
@RowCount=5
@SiteID=1
 0
4. 0.0468725 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @PageUrl=/304190-8253-pc-db25-2-position-switch-136.html
@Type=PRODUCT
 0
5. 0.0766126 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductLoadByPrimaryKey] @ProductID=136
@SiteID=1
@UserID=d88b22eb-fcec-44ab-b5d0-ad1bd110fdff
 0.0297401
6. 0.0921645 DBInterface.GetDataT show StoredProcedure [dbo].[CategoryListByProductId] @ProductId=136
@SiteID=1
@ShowHidden=False
 0
7. 0.0921645 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @Type=CATEGORY
 0
8. 0.1077831 DBInterface.GetDataT show StoredProcedure [dbo].[DocumentLoadByProductKey] @ProductID=136
 0.0156186
9. 0.1077831 DBInterface.get_oSQL show StoredProcedure [dbo].[ImageLoadByProductKey] @ProductID=136
 0
10. 0.1234166 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductRelationshipListByProductID] @ProductID=136
@SiteID=1
 0
11. 0.1390389 DBInterface.get_oSQL show StoredProcedure [dbo].[CL_procGetOtherProductsBought] @ProductID=136
@SiteID=1
 0.0156223
12. 0.1390389 DBInterface.get_oSQL show StoredProcedure [dbo].[AccessoryListLoadByProductKey] @ProductID=136
@ShowHidden=0
 0
13. 0.1611733 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=136
@SiteID=1
@UserID=d88b22eb-fcec-44ab-b5d0-ad1bd110fdff
@ShowHidden=0
 0.0221344
14. 0.3084378 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=136
@UserID=d88b22eb-fcec-44ab-b5d0-ad1bd110fdff
@SiteID=1
 0.1316081
15. 0.3084378 DBInterface.GetDataT show StoredProcedure [dbo].[DefaultSearchAttributeGetByUserID] @g_UserID =d88b22eb-fcec-44ab-b5d0-ad1bd110fdff
 0
16. 0.3396715 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesBySkuId] @SkuId=136
 0.0156143
17. 0.3618347 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesByProductId] @ProductId=136
 0.0065307
18. 0.3774929 DBInterface.GetDataT show StoredProcedure [dbo].[AttributesDistinctByProductID] @ProductId=136
 0.0156582
19. 0.3774929 DBInterface.GetDataT show StoredProcedure [dbo].[procGetAllCountryList] - 0
20. 0.393213 DBInterface.GetDataT show StoredProcedure [dbo].[procGetCountryStatesList] @CountryCode=USA
 0.0157201
21. 0.408736 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @PageUrl=/304190-8253-pc-db25-2-position-switch-136.html
@Type=PRODUCT
 0
22. 0.4399901 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductLoadByPrimaryKey] @ProductID=136
@SiteID=1
@UserID=d88b22eb-fcec-44ab-b5d0-ad1bd110fdff
 0.0312541
23. 0.4399901 DBInterface.GetDataT show StoredProcedure [dbo].[CategoryListByProductId] @ProductId=136
@SiteID=1
@ShowHidden=False
 0
24. 0.4399901 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @Type=CATEGORY
 0
25. 0.4399901 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=136
@SiteID=1
@UserID=d88b22eb-fcec-44ab-b5d0-ad1bd110fdff
@ShowHidden=0
 0
26. 0.4556079 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesBySkuId] @SkuId=136
 0.0156178
27. 0.4556079 DBInterface.GetDataT show StoredProcedure [dbo].[DocumentLoadByProductKey] @ProductID=136
 0
28. 0.4556079 DBInterface.get_oSQL show StoredProcedure [dbo].[ImageLoadByProductKey] @ProductID=136
 0
29. 0.4622236 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductRelationshipListByProductID] @ProductID=136
@SiteID=1
 0.0066157
30. 0.4622236 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=136
@SiteID=1
@UserID=d88b22eb-fcec-44ab-b5d0-ad1bd110fdff
@ShowHidden=0
 0
31. 0.4622236 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=136
@UserID=d88b22eb-fcec-44ab-b5d0-ad1bd110fdff
@SiteID=1
 0
32. 0.4622236 DBInterface.GetDataT show StoredProcedure [dbo].[DefaultSearchAttributeGetByUserID] @g_UserID =d88b22eb-fcec-44ab-b5d0-ad1bd110fdff
 0
33. 0.4622236 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesBySkuId] @SkuId=136
 0
34. 0.4622236 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesByProductId] @ProductId=136
 0
35. 0.4622236 DBInterface.GetDataT show StoredProcedure [dbo].[AttributesDistinctByProductID] @ProductId=136
 0
36. 0.6406486 DBInterface.GetDataT show StoredProcedure [dbo].[Cart_LoadByUserID] @UserID=d88b22eb-fcec-44ab-b5d0-ad1bd110fdff
@SiteID=1
 0
Total DB Execution Time 0.3373664
Session Key Session Value
UserId d88b22eb-fcec-44ab-b5d0-ad1bd110fdff
IsDynamicallyGeneratedUserId True
AdminLastPage /GetProduct.aspx?PageKey=%2f304190-8253-pc-db25-2-position-switch-136.html&unq=8/8/2026 4:08:49 AM
OrderNumber
AdminLastSitePage /304190-8253-pc-db25-2-position-switch-136.html
Section Execution Time
DBInterface.vb 0
MasterPage.master 0.772193
DeveloperTools.ascx 0
Load Time:0.803458s  |  Database Hits: 36