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Catalog # 307283 - Model 7283 4-Channel DB25 RS530 A/B Switch, Dual Remotes & Power Supply Ports

    4-Channel DB25 RS530 A/B Switch4-Channel DB25 RS530 A/B Switch
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    • 4-Channel DB25 RS530 A/B Switch
    • 4-Channel DB25 RS530 A/B Switch
Base Price:
Catalog No: 307283
Model No: 7283
Product Type:Switches: Copper
Cable Type/Port Connector:DB25 Switch Ports
Channels per Switch Chassis:4
Electronic Switches/Power Required:PathWay® Copper
Channel Control:Simultaneous Channel Control
Remote Control:RS232 Serial
Pins Switched:25
Remote Port:Dual, DB9
Local Control:Pushbutton
Feature:Redundant Power Supply, Redundant Remote Control
Protocol:RS232 commands


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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Path Way® Remotely Controllable Network Switch, DB25, Multi-drop Format
Model 7283 4-Channel RS232 A/B Switch with DB25 Interface, Dual Serial Remote Control Ports and Dual Power Supply Ports

  • Highest Reliability achieved through Redundant Remote Control and Redundant Power Supplies!

PathWay® Model 7283 four channel RS530 A/B Switch, DB25 Interface, Redundant Remote and power ports.


  • PORT CONNECTORS: (12) DB25 (F) Connectors labeled A1, B1, COM1, A2, B2, COM 2, A3, B3, COM3, A4, B4, COM 4.
  • FRONT PANEL CONTROLS: (1) Manual pushbutton switches all four channels simultaneously.
  • DISPLAY: (2) Front panel LED's display switch position and power status.
  • DUAL REMOTE CONTROL: (2) DB9 female connectors on rear panel accept multidrop RS232 for Remote Control operation.
  • DUAL POWER: (2) Power Jacks on rear panel accept power from (2) CE, RoHS, and UL listed table mount power modules, 100VAC/240VAC, 50/60Hz.  (included with the unit) (Cat No. 517277) Has IEC 60320 C14 inlet.  Ideal for international applications.
  • DIMENSIONS: 19" W x 3.5" H x 8.23" D. (48.2 x 8.9 x 21.0 cm)
  • WEIGHT:  Approx. 6.6 lbs. (3.0 kg)

4-CHANNEL RS530 A/B APPLICATION WITH REDUNDANT REMOTE AND POWER PORTS: The diagram illustrates a 4 channel switch with simultaneous channel switching.  Each channel, has a COMMON port allowing one device connected to the DB25 COMMON port access to two other devices connected to the A and B DB25 ports. The switch diagram shows two DB9 Remote ports which accept multidrop RS232. The switch diagram also shows two power supplies ports which allow for two separate external power supplies for redundancy. See Cascade Application Illustration for Multi-drop format.

Pathway® Model 7283 Quad Channel RS530  DB25 A/B Switch w/Dual Remote, Dual Power Supplies App


  • All channels switch simultaneously.
  • All (25) pins of the DB25 interface are switched via break-before-make electromechanical relays.
  • The switch ports are transparent to data.
  • Front panel pushbutton control.
  • Front panel LED's display present position and power status.
  • Remote RS232 ASCII commands that allow the user to control switch position, lockout front panel operations, obtain switch status and firmware version number.
  • Dual Remote RS232 ports support multi-drop format, allowing multiple units to be bussed together and commanded from a single host.
  • Connecting the Serial Remote Port 1 of each Model 7283 unit in a multi-drop format will allow a command sent by the first serial control device to be heard  by all connected Model 7283 units. Similarly, connecting the Serial Remote Port 2 of each Model 7283 unit allows a command sent from the second control device to be received by all connected Model 7283 units.
  • Each unit is addressable, allowing the Remote RS232 commands to communicate with either a single unit or all units on the multi-drop bus.
  • Dual Power Supply ports allow redundancy, automatically handling which supply sources power to the unit without any interruption. 
  • The unit maintains last set position on power loss and continues to pass data.
  • Multiple Switches can be cascaded together for simultaneous switching. (See Cascade Application Illustration)
  • Municipalities, schools, government: This product is on GSA Schedule!

The PathWay® Model 7283 Quad Channel DB25 A/B Switch with Dual RS232 Remote and Dual Power allows the user the capability of sharing a single DB25 interface device connected to the "COMMON" port, among two other devices connected to the "A" and "B" ports, for each channel.  The Model 7283 is enclosed in a 2U, full rack size, all metal black chassis designed to provide EMI/RFI shielding and fit in a standard 19" rack.

The switch may be controlled locally by manually operating the front panel pushbutton or remotely from either of the DB9 Remote Control ports located on the rear of the unit. The DB9 Remote ports provide control through RS232 Serial Commands and allow the user to both control and monitor the switch position remotely.  The front panel display indicates the switch position and unit power status.

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 or on GSA icon for details.

The diagram illustrates multiple switches cascaded together for simultaneous switching.

  • Connecting the Serial Remote Port 1 of each Model 7283 unit in a multidrop format will allow a command sent by the first serial control device to be heard by all connected Model 7283 units.
  • Similarly, connecting the Serial Remote Port 2 of each Model 7283 unit allows a command sent from the second control device to be received by all connected Model 7283 units.

Model 7283 Cascade Application Illustration: Multiple switches casaded together. 

 CASCADE CABLES for Use with Model 7283

Catalog Number Description
516164-003' DB9 Serial Y-Cable 2(M) to 1(F), 3 Foot Legs (w/thumbscrews)
990127-010' DB9(F) to DB9(F), 10 feet
510240 DB9(F) to DB9(M), 6 feet (w/thumbscrews)

 CASCADE CABLE DRAWINGS for use with Model 7283

 Y-Cable_516164-003 for use with Model 7283

 Cable_990127-010 for use with the Model 7283

Cable_510240 for use with the Model 7283

To read the article: "ADVANCES IN NETWORK SWITCHES", click link to read as a pdf. You need Acrobat Reader to view this file.

 For a 4 Channel version of this switch, see Related Products Tab for our Model 7283.

Click on our Product Accessories to find data cables that are ideal for cascading our Model 7282 and 7283 data network switches.

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

Custom Switches are available. Contact us by phone, email, or complete the Online Custom Products Form.

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 availabe for export.

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