LineSelect® Model 8454 DB25 THX Audio Interface A/B/C/D Switch, Desktop, Manual Operation
Overview
The LineSelect® Model 8454 DB25 THX Audio Interface A/B/C/D Switch allows the user to reroute data between any one of four DB25 devices to one COMMON device with the simple rotation of a selector switch. All 25 pins of the DB25 interface are switched. No need to plug and unplug interconnection cables thereby eliminating connector wear and/or errors when reconfiguring system connections. The LineSelect® Model 8454 is packaged in a compact desktop style enclosure.
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Internal wiring between the switch and the DB25 port connectors utilizes twisted pairs to accommodate the pin/signal listing of THX audio signals. Pairing selected to minimize audio signal crosstalk.
FEATURES OF THE 8454 DB25 THX AUDIO INTERRFACE SWITCH:
- Allows quick connection to any one of four DB25 interface devices from one COMMON port.
- High quality sealed switch with self-wiping precious metal contacts.
- Eliminates the need to plug and unplug cables.
- No external power required.
- Manual operation via front-panel rotary switch.
- Attractive anodized black box packaging provides EMI/RFI shielding.
- Custom length, custom designed DB25 cables wired to your specifications available for your switch installation.
- All 25 pins of the DB25 interface are switched via break-before-make rotary switch.
- All port shields are grounded to the chassis.
- Rear-panel chassis stud accepts spade lug for secure grounding.
- Desktop configuration is standard.
- Ideal for THX Audio Interface switch applications.
- Lifetime warranty against manufacturing defects.
- Internal wiring is paired to minimize audio signal crosstalk for THX signal assignment at DB25 interface.
- Municipalities, schools, government: This network switch is on GSA Schedule GS-35F-0286V.
TECHNICAL SPECIFICATIONS:
- PORT CONNECTORS: (5) DB25 female connectors labeled A, B, C, D, and COMMON.
- FRONT PANEL CONTROLS: (1) Rotary Switch on front panel selects A, B, C, D.
- POWER: No power required. Manually operated.
- LOW IMPEDANCE CONTACTS: Typical contact resistance, 3 milliohms.
- SIGNAL PAIRING: Each signal "positive" is paired with its respective signal "ground".
- DIMENSIONS: Desktop 8.11" W x 3.19" H x 7.91" D. (20.6 x 8.2 x 20.1 cm)
- WEIGHT: Approximately 2.1 lb (1.0 kg.)
LineSelect® Model 8454 DB25 THX AUDIO INTERFACE APPLICATION:
The drawing illustrates a COMMON device connected to the DB25 COMMON port sharing among four devices connected to the A, B, C and D ports. (The internal Wiring Paired to Reduce Crosstalk) The drawing also shows the Chassis Ground Lug for secure grounding.

Ordering Information
- Catalog Number: 308454
- Model Number: 8454
- 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.
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.
LineSelect® Model 8454 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 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.