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

Catalog # 308277 - Model 8277 DB25 2-Position Switch, Chassis Mount

    DB25 2-Position Switch, Chassis Mount
Click image to enlarge
Base Price:
$231.00
Catalog No: 308277
Model No: 8277
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
Pins Switched:Switches pins 2, 3 and 7
Local/Manual Control:Rotary Knob

Add to Cart
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.

Ask a Question

Send Question

Protected Document Request



Cancel Download Product Manual

Overview

DB25 Manual Network Switches, 2-Positions, Rotary Switches
Model 8277 DB25 A/B Switch, Manual Operation, Desktop

  •  Chassis mount via threaded inserts.

Model 8277 DB25 A/B Switch with Chassis Mount via Threaded Inserts

Specifications:

  • PORT CONNECTORS:  (3) DB25 female connectors labeled A, B, and Common.
  • FRONT PANEL CONTROLS:  (1) Rotary Switch allows local switching.
  • POWER:  Manually operated.  No power required.
  • GROUND STUD:  On rear panel.
  • DIMENSIONS:  5.44"W x 2.02"H x 7.27"D. (13.9 x 5.2 x 18.5 cm)
  • WEIGHT: Approximately 1.1 lb. (0.5 kg.)

Model 8277 DB25 A/B Switch Network Application Diagram

The Model 8277 allows the user to access two DB25 devices connected to the A and B ports from one DB25 device connected to the Common port.  Switching between devices A and B is quick and easy via the front panel rotary selector. The Model 8277 is packaged in a slim desktop style enclosure. Mounting holes provided on the bottom of the unit for securing the unit in a fixed location.

Features:

  • Allows access to two networks from one computer or workstation.
  • High reliability sealed switch with self-wiping precious metal contacts.
  • Eliminates the need to plug and unplug cables.
  • No external power required.
  • Transparent to data speed and format.
  • Manual operation via front panel rotary switch.
  • Switches pins 2, 3, and 7 of the DB25 interface via break-before-make rotary switch.
  • Attractive anodized black box packaging provides EMI/RFI shielding.
  • Chassis has no feet.
  • Chassis employs fixed threaded fasteners pressed/bonded to metal enclosure covers and panels to accept the use of machine screws and hardware.
  • Threaded inserts on bottom of chassis are threaded for #6-32 hardware.
  • Rear panel chassis stud accepts spade lug for secure grounding.
  • Custom length DB25 cables available for your switch installation.
  • Improves computer network efficiency by allowing sharing of peripherals.
  • Lifetime guarantee against manufacturing defects.

     

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.

Available Combo Deals

No thanks!
×

Developer Tools

Database Activity Shipping Rates Performance Tracking Cache Storage Session Storage
1.2215092 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 =f34c2e01-4340-43e8-9ea3-b4043d3b4e36
 0
3. 0.0378213 DBInterface.get_oSQL show StoredProcedure [dbo].[RecentlyViewedListLoadByEntityType] @UserID=f34c2e01-4340-43e8-9ea3-b4043d3b4e36
@EntityType=product
@RowCount=5
@SiteID=1
 0
4. 0.0534441 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @PageUrl=/308277-8277-db25-2-position-switch-chassis-mount-579.html
@Type=PRODUCT
 0.0156228
5. 0.0534441 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductLoadByPrimaryKey] @ProductID=579
@SiteID=1
@UserID=f34c2e01-4340-43e8-9ea3-b4043d3b4e36
 0
6. 0.0534441 DBInterface.GetDataT show StoredProcedure [dbo].[CategoryListByProductId] @ProductId=579
@SiteID=1
@ShowHidden=False
 0
7. 0.0534441 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @Type=CATEGORY
 0
8. 0.0534441 DBInterface.GetDataT show StoredProcedure [dbo].[DocumentLoadByProductKey] @ProductID=579
 0
9. 0.0534441 DBInterface.get_oSQL show StoredProcedure [dbo].[ImageLoadByProductKey] @ProductID=579
 0
10. 0.0690797 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductRelationshipListByProductID] @ProductID=579
@SiteID=1
 0
11. 0.0847229 DBInterface.get_oSQL show StoredProcedure [dbo].[CL_procGetOtherProductsBought] @ProductID=579
@SiteID=1
 0.0156432
12. 0.0847229 DBInterface.get_oSQL show StoredProcedure [dbo].[AccessoryListLoadByProductKey] @ProductID=579
@ShowHidden=0
 0
13. 0.0847229 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=579
@SiteID=1
@UserID=f34c2e01-4340-43e8-9ea3-b4043d3b4e36
@ShowHidden=0
 0
14. 0.0847229 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=579
@UserID=f34c2e01-4340-43e8-9ea3-b4043d3b4e36
@SiteID=1
 0
15. 0.1003358 DBInterface.GetDataT show StoredProcedure [dbo].[DefaultSearchAttributeGetByUserID] @g_UserID =f34c2e01-4340-43e8-9ea3-b4043d3b4e36
 0.0156129
16. 0.1003358 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesBySkuId] @SkuId=579
 0
17. 0.1003358 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=223
@SiteID=0
@ShowHidden=0
 0
18. 0.1003358 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=223
@UserID=
@SiteID=1
 0
19. 0.1159779 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=457
@SiteID=0
@ShowHidden=0
 0.0156421
20. 0.1225064 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=457
@UserID=
@SiteID=1
 0.0065285
21. 0.1225064 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=81
@SiteID=0
@ShowHidden=0
 0
22. 0.1225064 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=81
@UserID=
@SiteID=1
 0
23. 0.1225064 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=156
@SiteID=0
@ShowHidden=0
 0
24. 0.1381587 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=156
@UserID=
@SiteID=1
 0
25. 0.1381587 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=504
@SiteID=0
@ShowHidden=0
 0
26. 0.1381587 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=504
@UserID=
@SiteID=1
 0
27. 0.1381587 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesByProductId] @ProductId=579
 0
28. 0.1381587 DBInterface.GetDataT show StoredProcedure [dbo].[AttributesDistinctByProductID] @ProductId=579
 0
29. 0.1537927 DBInterface.GetDataT show StoredProcedure [dbo].[procGetAllCountryList] - 0.015634
30. 0.1537927 DBInterface.GetDataT show StoredProcedure [dbo].[procGetCountryStatesList] @CountryCode=USA
 0
31. 0.1537927 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @PageUrl=/308277-8277-db25-2-position-switch-chassis-mount-579.html
@Type=PRODUCT
 0
32. 0.1537927 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductLoadByPrimaryKey] @ProductID=579
@SiteID=1
@UserID=f34c2e01-4340-43e8-9ea3-b4043d3b4e36
 0
33. 0.1537927 DBInterface.GetDataT show StoredProcedure [dbo].[CategoryListByProductId] @ProductId=579
@SiteID=1
@ShowHidden=False
 0
34. 0.1537927 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @Type=CATEGORY
 0
35. 0.1694162 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=579
@SiteID=1
@UserID=f34c2e01-4340-43e8-9ea3-b4043d3b4e36
@ShowHidden=0
 0.0156235
36. 0.1694162 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesBySkuId] @SkuId=579
 0
37. 0.1694162 DBInterface.GetDataT show StoredProcedure [dbo].[DocumentLoadByProductKey] @ProductID=579
 0
38. 0.1694162 DBInterface.get_oSQL show StoredProcedure [dbo].[ImageLoadByProductKey] @ProductID=579
 0
39. 0.1694162 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductRelationshipListByProductID] @ProductID=579
@SiteID=1
 0
40. 0.1694162 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=579
@SiteID=1
@UserID=f34c2e01-4340-43e8-9ea3-b4043d3b4e36
@ShowHidden=0
 0
41. 0.1694162 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=579
@UserID=f34c2e01-4340-43e8-9ea3-b4043d3b4e36
@SiteID=1
 0
42. 0.1850437 DBInterface.GetDataT show StoredProcedure [dbo].[DefaultSearchAttributeGetByUserID] @g_UserID =f34c2e01-4340-43e8-9ea3-b4043d3b4e36
 0.0156275
43. 0.1850437 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesBySkuId] @SkuId=579
 0
44. 0.1850437 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesByProductId] @ProductId=579
 0
45. 0.1850437 DBInterface.GetDataT show StoredProcedure [dbo].[AttributesDistinctByProductID] @ProductId=579
 0
46. 0.1850437 DBInterface.GetDataT show StoredProcedure [dbo].[Cart_LoadByUserID] @UserID=f34c2e01-4340-43e8-9ea3-b4043d3b4e36
@SiteID=1
 0
Total DB Execution Time 0.1159345
Session Key Session Value
UserId f34c2e01-4340-43e8-9ea3-b4043d3b4e36
IsDynamicallyGeneratedUserId True
AdminLastSitePage /308277-8277-db25-2-position-switch-chassis-mount-579.html
AdminLastPage /GetProduct.aspx?PageKey=%2f308277-8277-db25-2-position-switch-chassis-mount-579.html&unq=8/7/2026 1:58:44 AM
OrderNumber
Section Execution Time
DBInterface.vb 0.786273600000001
MasterPage.master 0.1850437
DeveloperTools.ascx 0
Load Time:1.2215092s  |  Database Hits: 46