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Catalog # 303520 - Model 4520 DB15 A/B Switch, Remote

    DB15 A/B Switch, RemoteDB15 A/B Switch, RemoteDB15 A/B Switch, RemoteDB15 A/B Switch, Remote
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    • DB15 A/B Switch, Remote
    • DB15 A/B Switch, Remote
    • DB15 A/B Switch, Remote
    • DB15 A/B Switch, Remote
Base Price:
Catalog No: 303520
Model No: 4520
Product Type:Switches: Copper
Cable Type/Port Connector:DB15 Switch Ports
Channels per Switch Chassis:1
Electronic Switches/Power Required:PathWay® Copper
Remote Control:Contact Closure
Pins Switched:15
Remote Port:DB9
Local Control:Pushbutton


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, DB15

Model 4520 DB15 A/B Data Switch with Remote Control (Contact Closure)

  • Operates on 28 VDC supplied to unit


  • PORT CONNECTORS: (3) DB15 female connectors A, B, and COMMON.
  • SHIELDING: A ground stud on the rear panel provides conductive access to the shielded aluminum enclosure.
  • FRONT PANEL CONTROLS: (1) Front panel pushbutton allows selection of switch position.
  • DISPLAY: (2) Front panel LED's display switch position and power status.
  • REMOTE CONTROL: (1) DB9 female connector on rear panel accepts Contact Closure signaling for remote control operation.
  • POWER: 28 VDC power to be supplied across pins 7 & 8 of the DB9 connector.
  • DIMENSIONS: Desktop, 7.75"W x 2.0" H x 7.25"D. (19.7 x 5.1 x 18.4 cm)
  • WEIGHT: Approx. 2.8 lbs (1.3 kg)

PathWay® Model 4520 DB15 A/B Switch Application with DB9 Remote, (Contact Closure Signaling, 28VDC)

The drawing illustrates a single channel DB15 switch. A device connected to the COMMON port has access to two devices connected to the DB15 A and B ports. The DB9 remote accepts contact closure signaling and operates on 28 VDC supplied across pins 7 and 8 of the REMOTE port.

PathWay® 4520 DB15 A/B Switch Application


  • Allows quick connection to any one of two DB15 devices from one COMMON DB15 device.
  • Switches all 15 pins of the DB15 interface via break-before-make electromechanical relays.
  • Eliminates the need to plug and unplug cables.
  • Transparent to data speed and format.
  • Local control via front-panel pushbutton.
  • The remote-control port accepts contact closure commands for switch position control and front panel lockout.  It also supplies contact closure signals indicating switch state.
  • Front panel pushbutton control can be locked out, remotely
  • Front panel LED's display position and power status.
  • Retains last switch position in the event of power loss and continues to pass data.
  • Powered by 28 VDC, required to be supplied across pins 7 and 8 of the REMOTE port.
  • Attractive anodized black box packaging provides EMI/RFI shielding.
  • Ground stud on rear panel to provide single point chassis connection for shielding.
  • Municipalities, schools, government: This product is on GSA Schedule!

The PathWay® Model 4520 is a Single Channel DB15 A/B Switch allows a device connected to the COMMON port to access devices connected to the A or B ports.  The Model 4520 Single Channel unit is compactly enclosed in a desktop casing. The Model 4520 is packaged in a slim desktop style enclosure.

The switch may be controlled locally by manually operating the front panel pushbutton or remotely from the DB9 Contact Control Remote port located on the rear of the unit.  The DB9 Remote port provides control by dry contact open/closure logic.  The front panel LED display indicates the switch position and power status.

Custom length DB15 cables available for your switch installation.

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 for GSA details.

Model 4520 is available to government purchasers on our GSA Schedule GS-35F-0286V. Call for discounted price and terms.

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 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.

*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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