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

Catalog # 309088 - Model 9088 2-Channel DB9 & 1 Channel RJ45 Cat5e A/B Switch w/Terminal Strip

    2-Channel DB9 & 1 Channel RJ45 Cat5e A/B Switch w/Terminal Strip
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Catalog No: 309088
Model No: 9088
Product Type:Switches: Copper
Cable Type/Port Connector:RJ45, DB9 Switch Ports
Channels per Switch Chassis:3
Electronic Switches/Power Required:PathWay® Copper
Channel Control:Simultaneous Channel Control
Remote Control:Contact Closure
Pins Switched:All 8 Pins of RJ45, All 9 pins of DB9
Remote Port:Terminal/Barrier Strip
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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 Multi Interface Copper Network Switches
Cat5e Manual Network Switch, RJ45, DB9
Model 9088 Tri-Channel A/B Switch with Terminal Strip for Position Status: Two-Channel DB9, Single Channel RJ45 Cat5e 

  • Simultaneously switches two DB9 channels and a single RJ45 Cat5e Channel

Model 9088 Tri-Channel A/B Switch w/Terminal Strip; two DB9 Channels; 1 Cate RJ45 Channel


    • (3) DB9 female connectors labeled A, B, and COMMON for each of two channels.
    • (3) RJ45 female connectors labeled A, B, and COMMON for the one RJ45 channel. 
  • FRONT PANEL CONTROL: (1) Rotary switch on top panel switches all three channels simultaneously.
  • POWER: No power required.  Manually operated.
  • REMOTE: (1) Terminal Strip on bottom panel accepts Contact Closure signaling for remote control operation.
  • DIMENSIONS: Rackmount configuration, 8.38" W x 4.62" H x 6.0" D. (21.3 x 11.8 x 15.3 cm)
  • WEIGHT: Approximately 2.3 lbs. (1.1 kg)

The drawing shows three channels: (Two Channels of DB9 A/B Switching and a Single Channel RJ45 Cat5e A/B Switching.) Simultaneously switch all three channels from Position A to Position B and from Position B to Position A. The Terminal Strip allows the user to monitor switch position and status via open/close contact closure signaling.

Network Application Diagram for Model 9088 3-Channel A/B Switch: 2-Channel DB9 and 1 Channel RJ45 Cat5e, Terminal Strip Remote


  • Allows quick connection to any one of two DB9 devices from one COMMON device for each of two DB9 channels.
  • Allows quick connection to any one of two RJ45 Cat5e networks or devices from one COMMON device.
  • The RJ45 channel is certified for Cat5e compliance.
  • Manual operation via top-panel rotary switch.
  • High quality sealed switch with self-wiping low impedance contacts.
  • All ports are transparent to all data.
  • Switches all 9 pins of the DB9 interface via break-before-make rotary switch. 
  • All 8 pins of the RJ45 interface are switched via break-before-make rotary switch.
  • Simultaneously switches two DB9 channels and the single channel RJ45 via the top-panel rotary switch.
  • A Terminal Strip mounted to the bottom panel allows the user to monitor the switch position and status via Contact Closure signals for all three channels, simultaneously.
  • Custom length DB9 and RJ45 cables available for your switch installation.
  • Attractive all metal black box packaging provides EMI/RFI shielding.
  • Lifetime warranty against manufacturing defects. 

The Model 9088 Three-Channel A/B Switch is comprised of two channels of DB9 interface and one channel of RJ45 Cat5e interface.  The top-panel has one rotary switch.  Simultaneously selects A or B position for both the two DB9 channels and the single RJ45 Cat5e channel.

The unit is manually operated, requiring no power.  Port selection is quick and easy via top-panel rotary switch.  The Model 9088 is enclosed in a custom size, all metal black chassis designed to provide EMI/RFI shielding and be mounted via the rear panel DIN-rail bracket.

High Quality Manual Data Network Switches Increase the Reliability of Your Network!

 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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