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304380 Model 8092 DB9 2-Position Switch, MMF Connectors & Mounting Brackets

    DB9 2-Position Switch, MMF ConnectorsDB9 2-Position Switch, MMF ConnectorsDB9 2-Position Switch, MMF ConnectorsDB9 2-Position Switch, MMF Connectors
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    • DB9 2-Position Switch, MMF Connectors
    • DB9 2-Position Switch, MMF Connectors
    • DB9 2-Position Switch, MMF Connectors
    • DB9 2-Position Switch, MMF Connectors
Base Price:
Catalog No: 304380
Model No: 8092
Product Type:Switches: Copper
Cable Type/Port Connector:DB9 Switch Ports
Channels per Switch Chassis:1
Manual Control/No Power Required:LineSelect® Manual Operation
Pins Switched:9
Local Control:Rotary Knob
Feature:Mounting Brackets

  • LineSelect® Model 8092 DB9 A/B Switch

  • (2) DB9 (M) ports; (1) DB9 (F) port.


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, Rotary Switch
Model 8092 DB9 A/B Switch, MMF Connectors, Manual, with Desktop Mounting Brackets

  • Adds efficiency to network; allows sharing of ANY DB9 interface devices.

  • Made in USA 


  • CONNECTORS: (2) DB9 (M) labeled A and B. (1) DB9 (F) port labeled COMMON.
  • CONTROL: (1) Rotary switch on front panel selects A or B.
  • PINS SWITCHED: All 9 pins switched.
  • POWER: No power required.
  • ENCLOSURE: Desktop Aluminum Enclosure with rugged mounting brackets.
  • DIMENSIONS: 7.28" W x 2.05" H x 7.81" D. (with brackets) (18.5 x 5.2 x 19.9 cm)
  • WEIGHT:  Approximately 1.1 lbs. (0.5 kg)

LineSelect® Model 8092 DB9 M/M/F A/B Switch Application w/ Mounting Brackets.

The diagram illustrates a DB9 manual switch with two DB9 male port connectors labeled A and B, and one DB9 female port labeled COMMON. A device connected to the DB9 female COMMON port shares among two other devices connected to the DB9 male A port and the DB9 male B port.

LineSelect Model 8092 DB9 A/B (MMF connectors) Switch


  • Allows quick connection to any one of two DB9 interface devices from one COMMON device.
  • Manual operation via front-panel rotary switch.
  • High quality sealed switch with self-wiping low impedance contacts.
  • Desktop configuration with rugged mounting brackets.
  • Transparent to data speed and format.
  • All (9) pins of the DB9 interface are switched via break-before-make rotary switch.
  • The A and B port connectors are DB9 male.
  • The COMMON port connector is DB9 female.
  • Eliminates the need to plug and unplug cables.
  • Improves computer network efficiency by allowing sharing of peripherals.
  • No external power required.
  • Attractive anodized black box packaging provides EMI/RFI shielding.
  • Also available with all Female connectors. See Model 8093, Cat. No. 304390.
  • Custom length DB9 cables available for your switch application.
  • Lifetime warranty against manufacturing defects.

The LineSelect® Model 8092 allows the user to access two DB9 devices connected to the A and B ports from one DB9 device connected to the COMMON port.  Switching between devices A and B is quick and easy via the front panel rotary selector - No need to plug and unplug cables, no chance for network reconfiguration errors. The LineSelect® Model 8092 is packaged in a slim desktop style enclosure outfitted with rugged mounting brackets.

Suggested cables for use with Model 8092 Switch: Custom Length Cables for your switch installation.

  • State cable length (in Feet) when ordering.

Part Number    Description    

990127      DB9 F/F, 9-Conductor, Unshielded PVC Cable

990125      DB9 M/F, 9-Conductor, Unshielded PVC Cable

990126      DB9 M/M, 9-Conductor, Unshielded PVC Cable 

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