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

Catalog # 309257 - Model 9257 2-Channel RS530 DB25 A/B Switch

    2-Channel RS530 DB25 A/B Switch
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Base Price:
$480.00
Catalog No: 309257
Model No: 9257
Switch Type (Fiber, Ethernet, etc.):Serial
Positions:A/B, Common - Multi-Channel
Channels per Switch/Chassis:2
Chassis/Rack Configuration:Rackmount
Connector/Port:DB25
Pins Switched:25
Local/Manual Control:Rotary Knob

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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, RS530, Rotary Switches
Model 9257 Dual Channel RS530 DB25 A/B Switch, Manual, Independent Switching, Rackmount 
  • Custom labeled for VSAT-Dish / HF-Radio applications.
  • High Quality Manual Data Network Switches Increase the Reliability of Your Network!

Model 9257 2-Channel RS530 DB25 A/B Switch, Independent Switching

SPECIFICATIONS:
  • PORT CONNECTORS: (3) DB25 female connectors for each of two channels labeled A, B, and COMMON. 
  • FRONT PANEL CONTROLS: (2) Rotary Switches on front panel select position for each of the 2 channels. 
    Custom labeled as listed in Table 1. 
  • POWER: No power required. Manually operated.
  • DIMENSIONS: Rackmount 19.0" W x 1.75" H x 8.0" D. (48.3 x 4.4 x 20.3 cm) 
  • WEIGHT: Approximately 4.5 lbs. (2.0 kg)
Table 1 Switch Labels
CHANNEL A-POSITION B-POSITION
1 HF VSAT
2 HF VSAT

DUAL CHANNEL RS530 DB25 A/B SWITCH APPLICATION, INDEPENDENT MANUAL CONTROL: The drawing illustrates two channels of independent switching via local controls. A COMMON device is connected to the DB25 COMMON port for each channel of two channels (Channel 1 and Channel 2). Both COMMON Devices, (COMMON Device 1 and COMMON Device 2), each has access to two other devices connected to the DB25 A and B ports of the custom labeled unit.

Network Application Diagram of 2-Channel DB25 RS530 AB Independent Switching via Model 9257

FEATURES:
  • Each of two channels allows quick connection to any one of two devices from one COMMON device.
  • Independently switches each of the two channels via two front-panel rotary switches.
  • High quality sealed switch with self-wiping low impedance contacts.
  • All 25 pins of the DB25 interface are switched via break-before-make rotary switch.
  • Supports RS530 or ANY DB25 interface device. 
  • Transparent to data speed and format.
  • Eliminates the need to plug and unplug cables.
  • Attractive all metal black box packaging provides EMI/RFI shielding.
  • Rackmount configuration is standard.
  • Lifetime warranty against manufacturing defects.
  • For a similar switch with generic labeling, see Model 9256, Cat No 309256.

The Model 9257 RS530 DB25 A/B Switch allows the user to access two DB25 interface devices connected to its A and B ports with one DB25 interface device connected to its COMMON port, for each channel.  Independent switching of each of the two channels is accomplished via the two knobs located on the front panel. The Model 9257 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.

Ask about our popular Model 900 EIA/TIA RS-530 Interface Analyzer.
Tri-State LED's display Red, Green & Off  to Indicate Signal Status.
Easy to use, for fault isolation.

Model 900 EIA/TIA RS-530 Interface Analyzer.

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
6.8622616 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. 0.0156143 DBInterface.GetDataT show StoredProcedure [dbo].[DefaultSearchAttributeGetByUserID] @g_UserID =7495d924-15c5-4905-9e3f-dfaf09d0b2f5
 0.0156143
3. 0.0468663 DBInterface.get_oSQL show StoredProcedure [dbo].[RecentlyViewedListLoadByEntityType] @UserID=7495d924-15c5-4905-9e3f-dfaf09d0b2f5
@EntityType=product
@RowCount=5
@SiteID=1
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4. 0.0468663 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @PageUrl=/309257-9257-2-channel-rs530-db25-a-b-switch-624.html
@Type=PRODUCT
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5. 0.0625132 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductLoadByPrimaryKey] @ProductID=624
@SiteID=1
@UserID=7495d924-15c5-4905-9e3f-dfaf09d0b2f5
 0.0156469
6. 0.0625132 DBInterface.GetDataT show StoredProcedure [dbo].[CategoryListByProductId] @ProductId=624
@SiteID=1
@ShowHidden=False
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7. 0.0625132 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @Type=CATEGORY
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8. 0.0625132 DBInterface.GetDataT show StoredProcedure [dbo].[DocumentLoadByProductKey] @ProductID=624
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9. 0.0625132 DBInterface.get_oSQL show StoredProcedure [dbo].[ImageLoadByProductKey] @ProductID=624
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10. 0.0846892 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductRelationshipListByProductID] @ProductID=624
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11. 0.1003419 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductRelationshipListByProductID] @ProductID=624
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12. 0.11596 DBInterface.GetDataT show StoredProcedure [dbo].[Pricing_OutputPricing] @ItemCode=300900
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13. 0.11596 DBInterface.GetDataT show StoredProcedure [dbo].[Pricing_OutputPricing] @ItemCode=309256
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14. 0.1316062 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductRelationshipListByProductID] @ProductID=624
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15. 0.1316062 DBInterface.get_oSQL show StoredProcedure [dbo].[CL_procGetOtherProductsBought] @ProductID=624
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16. 0.1316062 DBInterface.get_oSQL show StoredProcedure [dbo].[AccessoryListLoadByProductKey] @ProductID=624
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17. 0.1316062 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=624
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@ShowHidden=0
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18. 0.1473292 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=624
@UserID=7495d924-15c5-4905-9e3f-dfaf09d0b2f5
@SiteID=1
 0
19. 0.1473292 DBInterface.GetDataT show StoredProcedure [dbo].[DefaultSearchAttributeGetByUserID] @g_UserID =7495d924-15c5-4905-9e3f-dfaf09d0b2f5
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20. 0.1473292 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesBySkuId] @SkuId=624
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21. 0.1473292 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=249
@SiteID=0
@ShowHidden=0
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22. 0.1628584 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=249
@UserID=
@SiteID=1
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23. 0.1628584 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=351
@SiteID=0
@ShowHidden=0
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24. 0.1784782 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=351
@UserID=
@SiteID=1
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25. 0.1784782 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=642
@SiteID=0
@ShowHidden=0
 0
26. 0.1850011 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=644
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 0.0065229
27. 0.1850011 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=94
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 0
28. 0.1850011 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=94
@UserID=
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29. 0.1850011 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=800
@SiteID=0
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30. 0.2006492 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=802
@UserID=
@SiteID=1
 0.0156481
31. 0.2006492 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesByProductId] @ProductId=624
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32. 0.2006492 DBInterface.GetDataT show StoredProcedure [dbo].[AttributesDistinctByProductID] @ProductId=624
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33. 0.2006492 DBInterface.GetDataT show StoredProcedure [dbo].[procGetAllCountryList] - 0
34. 0.2006492 DBInterface.GetDataT show StoredProcedure [dbo].[procGetCountryStatesList] @CountryCode=USA
 0
35. 0.2006492 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @PageUrl=/309257-9257-2-channel-rs530-db25-a-b-switch-624.html
@Type=PRODUCT
 0
36. 0.2163048 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductLoadByPrimaryKey] @ProductID=624
@SiteID=1
@UserID=7495d924-15c5-4905-9e3f-dfaf09d0b2f5
 0.0156556
37. 0.2163048 DBInterface.GetDataT show StoredProcedure [dbo].[CategoryListByProductId] @ProductId=624
@SiteID=1
@ShowHidden=False
 0
38. 0.2163048 DBInterface.GetDataT show StoredProcedure [dbo].[PageUrlLoadByPrimaryKey] @Type=CATEGORY
 0
39. 0.2163048 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=624
@SiteID=1
@UserID=7495d924-15c5-4905-9e3f-dfaf09d0b2f5
@ShowHidden=0
 0
40. 0.2319103 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesBySkuId] @SkuId=624
 0
41. 0.2319103 DBInterface.GetDataT show StoredProcedure [dbo].[DocumentLoadByProductKey] @ProductID=624
 0
42. 0.2319103 DBInterface.get_oSQL show StoredProcedure [dbo].[ImageLoadByProductKey] @ProductID=624
 0
43. 0.2319103 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductRelationshipListByProductID] @ProductID=624
@SiteID=1
 0
44. 0.2475345 DBInterface.get_oSQL show StoredProcedure [dbo].[ProductRelationshipListByProductID] @ProductID=624
@SiteID=1
 0.0156242
45. 0.2475345 DBInterface.get_oSQL show StoredProcedure [dbo].[SKUListLoadByProductKey] @ProductID=624
@SiteID=1
@UserID=7495d924-15c5-4905-9e3f-dfaf09d0b2f5
@ShowHidden=0
 0
46. 0.2475345 DBInterface.get_oSQL show StoredProcedure [dbo].[PriceListBySkuId] @SkuList=624
@UserID=7495d924-15c5-4905-9e3f-dfaf09d0b2f5
@SiteID=1
 0
47. 0.263157 DBInterface.GetDataT show StoredProcedure [dbo].[DefaultSearchAttributeGetByUserID] @g_UserID =7495d924-15c5-4905-9e3f-dfaf09d0b2f5
 0
48. 0.263157 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesBySkuId] @SkuId=624
 0
49. 0.263157 DBInterface.GetDataT show StoredProcedure [dbo].[getProductAttributesByProductId] @ProductId=624
 0
50. 0.263157 DBInterface.GetDataT show StoredProcedure [dbo].[AttributesDistinctByProductID] @ProductId=624
 0
51. 0.263157 DBInterface.GetDataT show StoredProcedure [dbo].[Cart_LoadByUserID] @UserID=7495d924-15c5-4905-9e3f-dfaf09d0b2f5
@SiteID=1
 0
Total DB Execution Time 0.1225273
Session Key Session Value
UserId 7495d924-15c5-4905-9e3f-dfaf09d0b2f5
IsDynamicallyGeneratedUserId True
AdminLastSitePage /309257-9257-2-channel-rs530-db25-a-b-switch-624.html
AdminLastPage /GetProduct.aspx?PageKey=%2f309257-9257-2-channel-rs530-db25-a-b-switch-624.html&unq=8/7/2026 2:01:17 AM
OrderNumber
Section Execution Time
DBInterface.vb 0
MasterPage.master 0.263157
DeveloperTools.ascx 0
Load Time:6.8622616s  |  Database Hits: 51