Boundary-Scan Accessories
Authorized Distributor

JT 2135 TAP Extender

JT 2135 TAP Extender allows TAP signals to be extended away from the classic pod JT 2137 by up to 1 meter and retain full pod's frequency specifications. The active circuitry inside the JT 2135 compensates for the TDO signal return time of the longer interface cable. Multiple JT 2135 TAP Extenders can be implemented if a longer distance is required.

JT 2135 maintains a high TCK for critical application like flash programming. In ATE systems is used to preserve signal integrity throughout fixture wiring.

JT 2135 specification:

  • Extends cable distance from pod to UUT (Unit Under Test) by 1m at full 25MHz operating TCK - preserves signals integrity, compensates TDO signal path delay
  • Powered from the base pod - no external PSU (Power Supply Unit) required
  • 20-way IDC header for input and output TAPs
  • Compact form factor 70mm x 45mm x 15 mm

JT 2139 TAP Isolator

JT 2139 TAP Isolator is a TAP signal isolation module designed for use in test systems that utilize multiple instrument interfaces. To avoid parasitic capacitance effects or unwanted ground loops the JT 2139 can be used to completely galvanically isolate any JTAG Technologies B-S controller from the remainder of the instrumentation system.

JT 2139 specification:

  • Galvanically relay isolations for all TAP signals (one per TAP)
  • Compact design 36 x 145 x 12 mm fits easily inside test fixtures
  • Universally applicable
  • Basic 5V power supply

JT 2149 Connector

JT 2149 Connector is the safe way to connect TAP pods and SCIL modules to the 19" rackmount controllers. Included in the package the connector plate allows an easy connection via the supplied 1 meter cable extender. Helps to maintain signal integrity  to the point of test and simplifies system configurations.


JT 2154 ScanBridge

JT 2154 ScanBridge is an experiment board based on National Semiconductor's STA111 device, aimed at users looking to utilize addressable multiplexors within their designs, and thus set-up 'system level' JTAG access. The unit is also widely used in semi-permanent installations to expand the TAP count on JTAG Technologies testers in order to address highly segmented designs. Built-in support for ScanBridge-type devices within ProVision allows easy set-up of TAP assignments and device addressing.

JT 2154 specification:

  • 1:3 TAP multiplexor - adds additional, addressable TAP ports
  • Experimental platform for system-level JTAG
  • Features industry standard STA111 chip
  • Experiment with ScanBridge technology before committing to a design
  • to any test set-up
  • Pin-to pin connections with JTAG Technologies JT 21x7 pods or JT 3705/USB
  • Can be powered from the pod or own connection
  • Compact design 105 x 65 x 15 mm

Use the JT 2154 to multiply the TAPs from any JTAG Technologies boundary-scan controller or use as the basis for ScanBridge/system-level experimentation. Compact design allows for siting inside test interface/fixture.

  • Primary TAP in and TAP out connections for stream configurations
  • Standard JTAG 10-way IDC connectors used
  • 64 address options via on board DIP switch

JT 2156 Training Board

JT 2156 Training Board Training Board has been devised to demonstrate all the latest features and test techniques available to users of JTAG Technologies’ ProVision & JTAG Live application development systems. The board can be used to demonstrate the full range of boundary-scan and other JTAG related test and programming applications, including DDR memory clusters tests, serial (SPI) bus device programming and even processor core controlled tests. The JT2156 also serves as a platform to demonstrate CoreCommander (microprocessor core control) routines.

JT 2156 is shipped with a comprehensive self-study manual for getting to know the in-depth features of  ProVision and JTAGLive Studio.

JT 2156 specification:

  • Features wide range of digital devices (RISC micro, FPGA, …)
  • Allows full investigation of ProVision advanced features
  • The board includes:
    • ARM 7TDMI Core NXP processor
    • Altera Cyclone 3 FPGA
    • DDR2 memory block
    • Serial SPI  memory
    • Analog to Digital Converter
    • Accelerometer
    • Touch screen controller