24/7 Mission-Critical when delays are not an option


Gig Zero Delay™ Tap is the industry’s only 10/100/1000BaseT Tap with true zero-delay operation to prevent network disruptions for maximum network reliability. During a power outage, unique circuitry preserves the state of each network port ensuring the network link remains fully functional with zero packet loss; only monitor traffic becomes unavailable.

With the Gig Zero Delay Tap, power glitches and failures no longer mean dropped packets and lengthy renegotiation sequences. The network operates more smoothly and critical business applications remain responsive with the Gig Zero Delay Tap in as part of a monitoring infrastructure.

Zero Delay - A Net Optics Breakthrough

Placing the Gig Zero Delay Tap in highly sensitive network locations can improve monitoring performance via the innovative features of Net Optics Taps. If power is lost to other 10/100/1000 Taps, the connected devices can introduce delays as they detect the power loss and try to re-establish their link.

The Zero Delay engineering breakthrough ensures that any loss of power to the Tap is transparent to the network, and does not affect the flow of traffic through the Tap – eliminating packet delay and packet loss as potential security or performance issues.

Transparent Access

Gig Zero Delay Taps establish permanent passive access ports without introducing a point of failure or disturbing other network connections. The Taps either auto-negotiate communication or fixed speed and duplexing parameters as determined by DIP switch settings. These passive Taps deliver full-duplex monitoring with zero impact on network traffic around the clock.

Security and Visibility

Without an IP address, monitoring devices are isolated from the network, dramatically reducing their exposure to attacks. The monitoring device connected to the Tap sees all full-duplex traffic as if it were in-line, including Layer 1 and Layer 2 errors.

Simply Plug It In

Full-duplex monitoring is a snap when each side of the signal is sent to a separate NIC on the monitoring device. All network and monitoring cables necessary for plug-and-play deployment are included with the Tap.


For extra uptime protection, Net Optics Gig Zero Delay Taps offer redundant power connections. Should the primary power source fail, the Tap automatically switches to the backup power source. Power LEDs on the front of the Tap indicate the current power source.

Doing Our Part

We are dedicated to ensuring user safety, and developing products that are increasingly environment friendly. All of our 10/100/1000 Taps adhere to UL and CE safety certifications: FCC, VCCI, and C-Tick EMC certifications; and RoHS and WEEE environmental certifications.

Passive, Secure Technology

  • Provides passive access at 10/100/1000 Mbps without data stream interference or introducing a point of failure
  • Unique Zero Delay technology ensures every packet goes through without delay, even if power is lost to the Tap
  • Permanent in-line installation without affecting network performance
  • Passes all full-duplex traffic (including errors) from all layers for comprehensive troubleshooting
  • Fully IEEE 802.3 compliant
  • Fully RoHS compliant

Ease of Use

  • LED indicators show redundant power status
  • Front-mounted connectors support easy installation and operation
  • All network and monitoring cables included
  • Optional 19-inch rack frames hold up to 3 or 12 Taps
  • Compatible with all major manufacturers’ monitoring devices, including protocol analyzers, probes, and intrusion detection/prevention systems

NetOptics Zero Delay Tap Implementation


Help and Learning

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