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2-Channel Turbo RS-422 Serial over IP Gateway

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The TC3847-7 links or extends up to 2 channels of RS-422 serial (asynchronous with control or synchronous) across Layer 2/3 Ethernet/ IP, CE, or MPLS networks. It is easy to configure, offers extremely low latency, and supports point-to-point and point-to-multipoint topologies. The TC3847-7 is part of the JumboSwitch® series.

Typical applications for the TC3847-7 include extending serial data across IP networks. It may also be used to extend RS-422 signals from one protection relay to another across Layer 2/Layer 3 networks.

  • 2 Channels of RS-422 Serial
  • Data Rates up to 115200 bps
  • Supports Handshaking or Synchronous Mode
  • Increased Security Features
  • Extremely Low Latency
  • Protocol Transparent: Mirrored Bits*, DNP-3, Modbus, etc.
  • Built-In Temperature & Power Sensors
  • Extreme Temp (-40°C to +80ºC) Optional
  • Meets or Exceeds IEC 61850-3, IEC 60834, IEEE 1613 & NEMA TS-2 Standards
  • Member of the JumboSwitch® Product Family
*"Mirrored Bits®" is a registered trademark of Schweitzer Engineering Laboratories Inc.


Typical applications include extending serial data across IP networks.

For example, the TC3847-7 is often used to extend RS-422 signals from one protection relay to another across Layer 2/Layer 3 networks.

  • Railroad Microlock*
  • Airport Digital Radar
  • Utility SCADA
  • Any RS-422 Communication via IP
*MicroLok® is a trademark for ANSALDO STS USA, INC.
TC3847-7 - 2-Ch. Turbo RS-422
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Connection Capacity
  1. RS-4222 Ports
  2. Ethernet1 Port
  1. RS-422 Interface
  2. Baud Rateup to 115200 bps
  3. Termination (optional)200 Ohm
  4. ESD Protection+/-15KV HBM
  5. ConnectorDB9F
  6. Ethernet Interface
  7. StandardsIEEE 802.3, 802.3u
  8. ConnectorRJ45
  9. Console Interface
  10. Console Port2.5mm Audio Jack
Standard Compliance
  1. CE, FCC Part 15, CISPR (EN55022) CLASS A, IEC 61850-3, IEEE 1613, NEMA TS-2, IEC 60834
Diagnostic Functions
  1. Local and Remote Loopback for Serial
  1. Unit StatusPWR (A, B), Alarm, BU, PL, Vcc, BP, MGM
  2. ChannelTX, RX, CTL
  1. Standard12VDC
  2. Optional24VDC, -48 VDC, or 125VDC (1U/ 2U/ 4U only), 90-260 VAC, 50/60Hz
  3. Power Consumption< 10W
Operating Temperature
  1. Hi-Temp-20°C to 70°C
  2. Extreme Temp-40°C to 80°C
  1. Temperature-40°C to 90°C
  2. Humidity95% non-condensing
Physical (rack mount card)
  1. Height(3.15 cm) 1.24"
  2. Width(17.78 cm) 7.0"
  3. Depth(22.86 cm) 9.0"
  4. Weight(0.3 kg) 0.75 lbs


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