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Catalog # 307174 - Model 7174 DB25 RS530 A/B Switch, 24VDC Power

    DB25 RS530 A/B Switch, 24VDC PowerDB25 RS530 A/B Switch, 24VDC PowerDB25 RS530 A/B Switch, 24VDC Power
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    • DB25 RS530 A/B Switch, 24VDC Power
    • DB25 RS530 A/B Switch, 24VDC Power
    • DB25 RS530 A/B Switch, 24VDC Power
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Catalog No: 307174
Model No: 7174
Power:Customer Supplied 24 VDC, 500mA
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
Pins Switched:25
Remote Port:DB9
Local Control:Pushbutton
Feature:RS530, Contact Closure Remote, 24VDC Power
Protocol:Dry contact logic

  • A, B, and COMMON are DB25 female port connectors.

  • Requires customer supplied 24 VDC, 500mA power Input.


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.

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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 7174 Single Channel RS530 DB25 A/B Switch, with Contact Closure Remote, 24VDC Power

  • Ideal for device-sharing applications; Applicable to any DB25 interface devices.


  • PORT CONNECTORS: (3) DB25(F) port connectors labeled A, B and COMMON on rear panel.
  • REMOTE CONTROL: (1) DB9 (F) REMOTE connector on rear panel allows remote switch control via contact closure.
  • FRONT PANEL CONTROL: (1) Pushbutton on front panel allows local control of switch position.
  • DISPLAY: (2) LED's indicate switch state and power presence.
  • POWER: Requires customer supplied 24 VDC, 500 mA Power Input.  A mating power connector is included with the Model 7174.
  • DIMENSIONS: Rackmount 19.0" W x 1.75" H x 8.21" D (1U rack height) (48.3 x 4.4 x 20.9 cm)
  • WEIGHT: Approximately 4.5 lbs (2.1 kg)


The drawing illustrates a single Channel DB25 A/B Switch. A COMMON device is connected to the DB25 female COMMON port with access to Device A or Device B, connected to the DB25 female ports A and B, respectively. A DB9 REMOTE port is used to control the unit via contact closure signaling.

PathWay® Model 7174 RS530 DB25  A/B Switch with Contact Closure Remote


  • Allows quick connection to any one of two DB25 devices from one COMMON device.
  • All (25) pins of the DB25 RS530 interface connector are switched via break-before-make electromechanical relays.
  • A, B, and COMMON are DB25 female port connectors.
  • Eliminates the need to plug and unplug cables.
  • The switch ports are transparent to all data.
  • Front-panel pushbutton control.
  • Remote Contact Closure control provides dry contact logic to allow the control of the switch position.
  • Front panel LED's display switch position and power status.
  • The unit maintains last set position on power loss and continues to pass data.
  • Upon power up, unit switches based on the state of contact closure.
  • Requires customer supplied 24 VDC, 500mA power Input.
  •  For a similar unit with Wide Range power supply, see PathWay® Model 7274, Cat No 307274.
  • For a similar unit with 24 VDC power and no front panel control, see PathWay® Model 7175, Cat No 307175.
  • Attractive all metal, black box packaging provides EMI/RFI shielding.
  • Custom length DB25 cables available for your switch installation.

The PathWay® Model 7174 Single Channel DB25 RS530 A/B Switch with Contact Closure Remote allows a device connected to the "COM" port access to the "A" or "B" port. The PathWay® Model 7174 is enclosed in a 1U, 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 the DB9 female Remote port located on the rear of the unit.  The front panel LED display indicates the switch position and unit power status.

Ask about our popular Model 900 EIA/TIA RS-530 Interface Analyzer

  • Red and Green light emitting diodes indicate status of key signals at the EIA/TIA data interface.
  • Easy to use, for fault isolation.
  • Electro Standards can supply all your Network Cable requirements.

Model 900 EIA/TIA RS520 Interface Analyzer

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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