LineSelect® Model 9028 Single Channel USB 2.0 A/B Switch Module
Overview
The LineSelect® Model 9028 USB 2.0 Switch Module allows the user the capability of sharing a single device connected to the COMMON port among two devices connected to the “A” and “B” ports. The switch may be controlled manually via the front panel rotary switch. The Model 9025 Rack accommodates up to 8 Model 9028 Open Frame Switch Modules. Expand the system of switches by adding modules, as your requirement grows.
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Switch between two 2.0 Type-A Devices to one COMMON 2.0 Type-A Device without having to disconnect cables.
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Perfect to connect a device to multiple PC’s USB 2.0 Devices.
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Modular approach allows system expansion to meet your needs.
FEATURES OF THE MODEL 9028 SINGLE CHANNEL A/B SWITCH:
- Allows quick connection to any one of two USB Type-A interface devices from one COMMON device!
- Eliminates the need to plug and unplug cables.
- Compatible with Hi-Speed USB 2.0 devices.
- The switch ports are transparent to all data.
- All (4) pins of the USB interface are switched via break-before-make rotary switch.
- No external power required.
- Up to eight Model 9028 Switch Modules can be housed in one Model 9025 Rack Chassis.
- Add more modules having various switch functions as your system grows.
- Lifetime warranty against manufacturing defects.
TECHNICAL SPECIFICATIONS:
- PORT CONNECTORS: (3) USB 2.0 Type-A connectors labeled A, and B, and COMMON.
- FRONT PANEL CONTROL: (1) Rotary switch allows local switching.
- POWER: Manually operated. No power required
- MODULE DIMENSIONS: 2.0” W x 5.25”H x 7.0” D. (5.1 x 13.3 x 17.8 cm)
- WEIGHT: 0.8 lb. (0.45 kg)
LineSelect® Model 9028 USB 2.0 A/B Switch Module Application:
The application drawing illustrates a COMMON device connected to the USB 2.0 Common port with access to Device A or Device B connected to the USB 2.0 A and B ports, respectively.
- (3) USB 2.0 A, B and COMMON ports.
- Compatible with Hi-Speed USB 2.0 devices.
- Up to eight of the Model 9028 switch modules can be installed in Rackmount Chassis, Cat. No. 305972.

System Expands to meet your needs!
This modular approach to switch system requirements allows expansion to more channels on an as-needed bases. Filler panels are available to attractively cover unused module slots. Model 9008, Cat No 305983 for a two-inch filler panel.
Model 9025 Rackmount Chassis for Switch Modules (Cat No 305972) Features:
- Rack can accommodate up to eight Model 9028 A/B modules (2.0" W).
- Rackmount chassis supports multiple switch module chassis of various widths.
- Rack Size: 19" W x 5.25" H x 7" D. (48.3 x 13.3 x 17.8 cm)
- Full opening for modules is 16.8" W. (42.7 cm)

Ordering Information
- Catalog Number: 309028
- Model Number: 9028
- Base Price: See website or contact us for current pricing and availability.
Documentation & Support
- Specification Sheet (PDF) Download Available.
- Product Manual available upon request.
- For custom fiber optic network switch requirements contact our sales support team 401-943-1164 or email eslab@electrostandards.com
- We welcome international inquiries and ship worldwide.
Shipping and Returns 
- Shipped via UPS ground (unless otherwise requested).
- Freight Charges prepaid and added to invoice. We can estimate freight charges for you.
- Return policy: contact us within 30 days of shipment for an RMA number. Items returned without RMA not accepted. Please refer to our full return policy in our Terms and Conditions found on our website.
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 by clicking here.
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.