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Catalog # 309426 - Model 9426 DB9 2-Channel 12-to-1 Switch

    DB9 2-Channel 12-to-1 SwitchDB9 2-Channel 12-to-1 SwitchDB9 2-Channel 12-to-1 SwitchDB9 2-Channel 12-to-1 Switch
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    • DB9 2-Channel 12-to-1 Switch
    • DB9 2-Channel 12-to-1 Switch
    • DB9 2-Channel 12-to-1 Switch
    • DB9 2-Channel 12-to-1 Switch
Base Price:
Catalog No: 309426
Model No: 9426
Product Type:Switches: Copper
Cable Type/Port Connector:DB9 Switch Ports
Channels per Switch Chassis:2
Manual Control/No Power Required:LineSelect® Manual Operation
Channel Control:Independent Channel Control
Pins Switched:9
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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DB9 Manual Network Switch, Dual Channel
Model 9426 Dual Channel, DB9 12-to-1 Switch, Manual, Rackmount

  • Applicable to switching ANY DB9 network or device including surveillance cameras, POS/Cash Registers, PC Serial data ports and more! 


  • PORT CONNECTORS: (13) DB9 female connectors labeled 1 through 12 and COMMON for each channel.
  • FRONT PANEL CONTROLS: (2) Manual rotary switches allow local switching.
  • DIMENSIONS: Rackmount 19" W x 3.5" H x 8.77" D. (48.3 x 8.9x 22.3 cm)
  • WEIGHT: 6.2 lbs. (2.8 kg)

LineSelect® Model 9426 Dual-Channel DB9 12-to-1 Application:

LineSelect® Model 9426 drawing illustrates two independent channels of 12-to-1 Switching. Channel 1 and Channel 2 each have a COMMON device connected to its DB9 COMMON port giving each channel access to any one of twelve DB9 Devices connected to the DB9 ports labeled 1 through 12. For Channel 1 and Channel 2, each COMMON Device has access to one device at a time.

LineSelect Model 9426 Dual Channel Db9 12-to-1 Switch application 


  • Each channel allows quick connection to any one of 12 DB9 interface devices or networks from one COMMON device.
  • Manual operation via front panel rotary switches.
  • Independently switch each of 2 channels. 
  • High quality sealed switches with self-wiping low impedance contacts. 
  • All 9 pins of the DB9 interface are switched via break-before-make rotary switches. 
  • The switch ports are transparent to all data.
  • Eliminates the need to plug and unplug cables.
  • No external power required.  
  • Attractive all metal, black box packaging provides EMI/RFI shielding.
  • Custom length DB9 cables available for your switch installation.

The LineSelect® Model 9426 Switch system is comprised of two independent sharing switches efficiently packaged in a 19-inch wide 2U high (3.5") rackmount unit.  Allows the user to independently switch each of the two channels manually via two knobs located on the front panel, one knob per channel.  The LineSelect® Model 9426 all metal, black chassis is designed to provide EMI/RFI shielding and fit in a 19" rack. 

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.

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