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Model TC3340 

2+2 Managed Redundant Gigabit Ethernet Switch



TC3340S Standalone/Wallmount


Features   Product or Application Questions (click here)

  • 2 Ports 10/100/1000Base-TX (UTP) & 1000Base-SX/LX
  • Optical Redundancy (ring "self-heals" within 38 msec.)
  • Ethernet Rate Limit, VLAN & QoS
  • Built-In Power & Temperature Sensors
  • Remote Optic Measurements (e.g. Launch Power & Sensitivity)
  • Network Management (Web, SNMP, Console & Telnet)
  • SM/MM & Bi-Directional SFP Optics
  • Extreme-Temp(-40C to 80C) and Hi-Temp (-20C to 70C) Options
  • IEC 61850-3, IEEE 1613, NEMA TS-2
  • Power:12 VDC, 24VDC, -48VDC or 115/230VAC


Ideal as a compact and feature-rich Switch solution for both industrial automation and commercial networks, the TC3340 2+2 Redundant Gigabit Ethernet Switch offers a wide range of advanced networking features including Redundancy, Rate Limiting, Full Management, Security and Industrial Hardened capability.

The TC3340 can be configured to handle any media or bandwidth requirement and provides two 10/100/1000M-Base-T and two SFP 1000SX/LX ports.  It supports distances up to 100km and is available with a one fiber, bi-directional option to maximize fiber optic cable usage.

Optical redundancy includes automatic switchover within 38msec. in the event of a fiber breakage or network device malfunction. Rate Control gives users, especially data service providers, the ability to control or limit bandwidth. For example, rates can be limited to 32Kb, 64Kb, 256Kb, 512Kb, 1Mb, 2Mb, etc. 

Password protection, multiple user groups and IP Aliasing provide multiple security features. The Industrial Hardened version supports temperature ranges from -40C to 80C and meets or exceeds all pertinent industrial environmental specifications including IEC 61850-3, IEEE 1613, NEMA TS-2, etc.

Management is accessed via Web, SNMP, Telnet, or Serial Console. Power and Temperature Monitoring helps the user verify functionality.  Configuration settings can be saved and loaded to simplify network administration, and firmware can be remotely upgraded. Virtual LAN (VLAN), QoS and Network Time Protocol (NTP) are supported.

The TC3340 SFP ports support 850nm multimode and 1300/1550nm single mode. The UTP connectors are RJ-45, the SFP Copper connector is RJ-45 and SFP Fiber connector is LC.

Standard temperature range is -10C to 50C. Optionally, the high-temp version ranges -20C to 70C. The optional extreme-temp version ranges from -40C to 80C.  Power source options include 12 VDC, 24VDC, -48VDC or 115/230VAC, and power redundancy is standard. TC3340 is available standalone or rack mount (up to 10 cards per Rack Assembly).

Technical Specifications 

Data Rate
10/100/1000 Mbps with Rate Control
Transmitter ELED, LASER*
Receiver PIN Diode
Wavelength SFP: 850nm Multimode
SFP: 1300nm, 1550nm Single Mode
SFP Optic Connectors LC
Loss Budget*
Multimode (62.5/125m): 15dB
Single Mode (9/125m): 20dB
Interface 10/100/1000Base-T Ethernet
Connector (UTP) RJ45 Female
Bit Error Rate 1 in 109 or better
Dry Contact Normal OPEN

* Contact factory for higher requirements


Visual Indicators
Power Status ALM, LINK, FULL, 1000M, PWRA, PWRB, VCC, DFLT
Standard 12W
Optional 24, -48 or 115/230VAC (w/ external power cube)
Operating 0 to 50C
Hi-Temp (optional) -20 to 70C
Extreme Temp (optional) -40 to 80C
Storage -40 to 90C
Humidity 95% non-condensing
Physical (Stand Alone/Wall Mount Base Unit)
Height (3.53 cm) 1.39"
Width (18.13 cm) 7.14"
Depth (16.59 cm) 6.53"
Weight (544 gm) 1.2 lbs.


Typical Application (Application Questions)

The TC3340 is a compact Gigabit Switch solution for both industrial automation and commercial networks because it offers a wide range of advanced networking features including Redundancy, Rate Limiting, Diagnostics, Full Management, Security and Industrial Hardened capability.  It is also used by Data Service Providers for its rate limiting; one fiber, bi-directional; and, media conversion capabilities.

                  Typical Point-to-Point Application of the TC3340 with Link Redundancy


The TC3340 Can Form a Gigabit Ethernet Ring Network and Is Compatible With One-Fiber, Bi-Directional Optics







NOVA Electronics

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