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Catalog # 307747 - Model 7747 DB25 RS530 A/B Switch with Cutoff

    DB25 RS530 A/B Switch with CutoffDB25 RS530 A/B Switch with CutoffDB25 RS530 A/B Switch with CutoffDB25 RS530 A/B Switch with Cutoff
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    • DB25 RS530 A/B Switch with Cutoff
    • DB25 RS530 A/B Switch with Cutoff
    • DB25 RS530 A/B Switch with Cutoff
    • DB25 RS530 A/B Switch with Cutoff
Base Price:
Catalog No: 307747
Model No: 7747
Product Type:Switches: Copper
Cable Type/Port Connector:DB25 Switch Ports
Channels per Switch Chassis:1
Electronic Switches/Power Required:PathWay® Copper
Remote Control:Contact Closure, RS232 Serial
Security:Offline Position
Pins Switched:25
Remote Port:DB9
Local Control:Pushbutton
Feature:Cut-Off and Remote Control

  • A and B ports are DB25 male.
  • COM port is DB25 female.




Shipping Terms

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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, RS530
Model 7747 Single Channel RS530 DB25 A/B Switch with Cutoff Position, and Remote Control Port

  • Absolutely NO data passes through the switch when in the Cutoff Position.

  • The ultimate FIREWALL!


    • (2) DB25 male connectors labeled A and B.
    • (1) DB25 female connector labeled COM.
  • FRONT PANEL CONTROL: (3) Manual pushbuttons allow local switching.
  • DISPLAY: (3) Front panel LED's display switch position and power status.
  • REMOTE CONTROL: (1) DB9 female connector on rear panel accepts Contact Closure or RS232 Serial Data for Remote Control operation.
  • POWER: Model 7747 is powered by internal power supply. Plug the IEC 60320 C14 inlet on the rear of the unit into a 100VAC-240VAC, 50Hz-60Hz receptacle.
  • FUSE RATING: The fuse rating for the PathWay® Model 7747 is .16A/250V. The fuse time lag (Slo-BIO®) and comes in a 5 mm x 20 mm cartridge.
  • DIMENSIONS: Rackmount: 19.0" W x 10.4" D x 1.75" H . [48.3 x 26.5 x 4.4 cm]
  • WEIGHT: Approximately 5.3 lbs [2.4 kg]

RS530 DB25 A/B w/CUTOFF, Contact Closure, RS232, APPLICATION:

The drawing illustrates a Shared Device connected to the DB25 female connector port labeled COMMON and Device A and Device B are connected to two DB25 male connector ports labeled A and B. There are two position choices shown, Position A selects Device A and Position B selects Device B. The DB9 REMOTE port is used to control the unit via Contact Closure or RS232 Commands. The Cutoff Position is managed by choosing the Default Position A or B via RS232 Commands. 

  • A and B ports are DB25 male.
  • COM port is DB25 female.

PathWay® Model 7747 Single channel RS530 DB55 A/B Switch w/Contact Closure & RS232 


  • Switch one RS530 interface channel to either “A”, “B”, or full “CUTOFF” for secure isolation.
  • The DB25 connectors for A/B/COMMON ports are M/M/F.
  • All (25) pins of the DB25 interface are switched via break-before-make electromechanical relays.
  • On power loss, unit reverts to a cutoff position that isolates all communication ports.
  • When power is restored, the unit automatically switches to the Default Position set by the user via RS232 commands.
  • Remote RS232 ASCII commands that allow the user to control switch position, default position, lock and unlock front panel operations, obtain switch status, as well as query firmware version number.
  • Remote Contact Closure control provides dry contact logic to allow the control of the switch position.
  • Front panel pushbutton control.
  • Front panel LED’s display switch position and power status.
  • Attractive black box packaging provides EMI/RFI shielding.
  • Custom length DB25 data cables for this switch are available.

The PathWay® Model 7747 RS530 DB25 A/B Switch with Cutoff and  RS232 and Contact Closure Remote allows the user the capability of sharing a single port interface device, connected to the “COMMON” port among two other devices connected to the “A” and “B” ports. The unit allows the user to set the switch to the “CUTOFF” position, which stops any, and all data throughput for the switch.

The switch may be controlled locally by manually operating the front panel push buttons, or remotely from the DB9 female Remote port located on the rear of the unit, via Contact Closure or RS232 ASCII commands.  The front panel LED display indicates the switch position and unit power status.

Electro Standards can supply all of your Network Cable requirements. Click here to reach our Copper Cable Assemblies webpage

For custom network switches call our friendly customer support staff at 401-943-1164, email eslab@electrostandards.com, or complete our online Custom Product Request 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
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