- Manual operation via front-panel keylock.
- The switch ports are transparent to all data.
- All (8) pins of the RJ45 Cat5e interface are switched via a break-before-make keylock switch.
- When the keylock switch is in the “ONLINE” position, the COMMON DEVICE is connected to the Data Network.
- When the keylock is in the “OFFLINE” position, it completely isolates the COMMON DEVICE from the Data Network.
- The Key can be removed in both ONLINE and OFFLINE switch positions.
- No power required for operation.
- High quality sealed switch with self-wiping precious metal contacts.
- Faceplate mounting allows easy installation in single gang wall boxes.
- The (2) leg lengths are 8 inches long.
- Certified for Cat5e compliance.
- Lifetime Warranty against manufacturing defects.
- Applicable to switching ANY RJ45 interface quickly and reliably.
- Field proven data network switch, highly reliable.
TECHNICAL SPECIFICATIONS:
- PORT CONNECTORS: (2) RJ45 Cat5e female connectors labeled A and COM.
- FRONT PANEL CONTROL: (1) Keylock switch on front panel selects ONLINE or OFFLINE.
- POWER: No power required. Manually operated.
- WEIGHT: Approximately 0.4 lb. (0.2 kg)
- LEG LENGTHS: 8” (20.4 cm)
- DIMENSIONS: Single Gang Wall Box: 2.74” W x 4.49” H x 3.13” D. (7.0 x 11.5 x 8.0 cm)
- WEIGHT: Approximately 0.4 lb. (0.2 kg)
LineSelect® Model 7179 Cat5e Online/Offline Application:
The Model 7179 application drawing illustrates a COMMON DEVICE connected to the COM port with access to Device A connected to the A port. There is an OFFLINE position and when the unit is in OFFLINE Position, it completely isolates the COMMON DEVICE from the Data Network.

Why a Key-Operated Switch, Not Software?
This kind of manual switch is valued in utility networks or other secured networks because it:
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Provides a physical disconnect — much harder to bypass than a software command
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Doesn’t rely on network authentication or software configuration to protect connectivity
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Offers a clear, visible way to see if a device is connected or isolated
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Requires no power, making it reliable even during outages or maintenance of network infrastructure.
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These characteristics are beneficial in critical infrastructure environments where reliability and security are paramount.

Ordering Information
- Catalog Number: 307179
- Model Number: 7179
- 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.
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 pro
ducts, 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.