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Catalog # 309501 - Model 9501 V.35 DB25 2-Position Switch

    V.35 DB25 2-Position SwitchV.35 DB25 2-Position Switch
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    • V.35 DB25 2-Position Switch
    • V.35 DB25 2-Position Switch
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Catalog No: 309501
Model No: 9501
Product Type:Switches: Copper
Cable Type/Port Connector:V.35 Switch Ports, DB25 Switch Ports
Channels per Switch Chassis:4
Electronic Switches/Power Required:PathWay® Copper
Channel Control:Independent Channel Control
Remote Control:RS232 Serial
Pins Switched:17 pins of each V.35 channel and all pins of DB25
Remote Port:DB9
Local Control:Rotary Knob
Feature:Switch position can be manually controlled in the event of power loss
Protocol:ASCII RS232 Serial Data


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
Model 9501 Quad Channel A/B Switch with Serial Remote Control

  • Switch position can be manually controlled in the event of power loss.

The PathWay® Model 9501 Quad Channel A/B Switch with Serial Remote Control allows the user the capability of sharing a single port interface device connected to the COM port among two other devices connected to the A and B ports for each channel.

The network switch may be controlled locally using the front panel rotary switches or remotely from a DB9/F port located on the rear of the unit using Serial ASCII Commands when the rotary switch is set to the REMOTE position.  Switch position states may be attained locally via the front panel LED display or remotely using Serial Commands.


  • The switch ports are transparent to all data.
  • 17 Pins of the V.35 interface are switched. (Three V.35 channels)
  • All pins of the DB25 interface are switched. (One DB25 channel)
  • Local position control using the front panel rotary switches.
  • Serial Remote Control to query the status of the Model 9501 and change its position only when rotary switch is set to REMOTE.
  • Independent control of each channel.
  • The front panel rotary switches allow manual switching of the Model 9501 at all times, including during power loss.
  • The Model 9501 maintains position and continues to pass data during power loss while in the REMOTE position.
  • Front panel LED's display the current switch position and the switch power status.
  • Custom length DB25 and V.35 cable assemblies are available.  Order your cables along with the switches for quick, plug & play, installation!


  • Port Connectors:
    • (9) V.35 female connectors labeled A, B, and Common provide input/output for the three V.35 channels. 
    • (3) DB25 female connectors labeled A, B and Common provide input/output for the DB25 channel.
  • Front Panel Controls: (4) Rotary switches allow local control.
  • Display: (8) Front panel LED's display switch position and power status.
  • Remote: (1) DB9 female connector on rear panel accepts ASCII RS232 Serial Data for Remote Control operation.
  • Power: UL approved 120VAC, 60Hz wall mount power module supplies 12 VDC, 500mA to the unit.
  • Dimensions: Rackmount configuration 19.0" W x 3.5" H x 10.0" D.
  • Weight: Approximately 8.0 lbs


 1.  Don't forget to order your specific length V.35, DB25 and DB9 interconnection cables along with your switch.

 2.  Need technical or ordering assistance - Call: 401-943-1164

 3.  Order at: www.electrostandards.com

Model 9501 was also featured on ThomasNet at: http://news.thomasnet.com/fullstory/563001

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/

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

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.
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