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

Catalog # 309258 - Model 9258 DB25 6-Channel A/B Switch

    Model 9258 DB25 6-Channel A/B SwitchModel 9258 DB25 6-Channel A/B SwitchModel 9258 DB25 6-Channel A/B SwitchModel 9258 DB25 6-Channel A/B Switch
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    • Model 9258 DB25 6-Channel A/B Switch
    • Model 9258 DB25 6-Channel A/B Switch
    • Model 9258 DB25 6-Channel A/B Switch
    • Model 9258 DB25 6-Channel A/B Switch
Base Price:
Catalog No: 309258
Model No: 9258
Product Type:Switches: Copper
Cable Type/Port Connector:DB25 Switch Ports
Channels per Switch Chassis:6
Manual Control/No Power Required:LineSelect® Manual Operation
Channel Control:Independent Channel Control
Pins Switched:25
Local Control:Rotary Knob


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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DB25 Manual Network Switches, 6-Channel, Independent Switching
Model 9258 Six-Channel RS530 DB25 A/B Switch

  • Applicable to switching ANY DB25 interface devices.

  • Ideal for Commercial-Off-The-Shelf (COTS) purchase applications.


  • PORT CONNECTORS: (18) DB25 female connectors labeled A, B, and COMMON. (Three for each of six channels)
  • FRONT PANEL CONTROLS: (6) Rotary Switches on front panel, one knob per channel, to switch each channel independently.
  • PINS SWITCHED:  All 25 pins switched.
  • POWER:  No power is required.
  • DIMENSIONS:  Rackmount configuration 19.0"W x 3.5"H x 8.75"D. (48.3 x 8.9 x 22.2 cm)
  • WEIGHT: Approximately 6.1 lbs. (2.8 kg.)

LineSelect® Model 9258 6-Channel DB25, RS530 A/B Switch with Six Independent  Channels:

  • The drawing illustrates six channels of DB25, RS530 A/B independent channel switching.
  • Each channel has a COMMON device connected to the DB25 COMMON port sharing between two devices connected to the DB25 A and B ports.

LineSelect Model 9258 Six Independent A/B Switch functions, manually operated.


  • Each channel allows quick connection to any one of two devices from one COMMON device.
  • The ports are transparent to all data.
  • All (25) pins of the DB25 interface are switched via break-before-make rotary switch.
  • Manual operation via front-panel rotary switches.
  • Independently switch each of six channels via knobs on the front panel.
  • High quality sealed switch self-wiping low impedance contacts.
  • Eliminates the need to plug and unplug cables.
  • No external power required.
  • Improves computer network efficiency by allowing sharing of peripherals.
  • Attractive all metal, black box packaging provides EMI/RFI shielding.
  • Lifetime warranty against manufacturing defects.
  • Custom length DB25 cables available for your switch installation.
  • Municipalities, schools, government: This product is on GSA Schedule!

The LineSelect® Model 9258 6-Channel RS530 DB25 A/B Switch, allows the user six independent channels of A/B switch function.  The A/B function permits access by either of two devices connected to ports A and B, to a single COMMON port.  The LineSelect® Model 9258 is a manual switch and requires no power. The LineSelect® Model 9258 is enclosed in a 2U, full rack size, all metal 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

  • Red and Green light emitting diodes indicate status of key signals at the EIA/TIA data interface.
  • Easy to use, for fault isolation.
  • Electro Standards can supply all your Network Cable requirements.

Model 900 EIA/TIA RS520 Interface Analyzer

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 for GSA details.

Model 9258 is available to government purchasers on our GSA Schedule GS-35F-0286V. Call for discounted price and terms. 

Electro Standards can supply all your Network Cable requirements. Click here to reach our CABLES, COPPER NETWORK Webpage.

For custom network switches call our friendly customer support staff at 401-943-1164, email eslab@electrostandards.com, or complete our online form: /Products-Custom/Copper-Switch/

All data switches, 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.

Electro Standards welcomes International inquiries: commutateur d'ordinateur,  equipo interruptor, interruttore del calcolatore, interruptor do computador, dator switch. 


Available Combo Deals