DS2149DK/DS21349DK
T1/J1 Line Interface Unit
Design Kit
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GENERAL DESCRIPTION
The DS2149DK/DS21349DK is a fully integrated
design kit for the DS2149 and the DS21349 T1/J1
line interface units (LIUs). It contains the necessary
circuitry to evaluate the device in all operation
modes, including running the device in hardware and
software mode.
FEATURES
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PLCC 28-Pin Socket for Multiple Part Evaluation
Bantam and RJ48 Connectors, Transformers,
and Termination Passives for LIU
Two Separate and Controllable Transmit Paths
for TTIP and TRING for Evaluating Multiple
Transformers
Equipment-Side Connector for External Data
Source/Sink or External Remote Loopback
On-Board T1 Crystal Oscillator
On-Board 8051 Microprocessor for Software
Mode Access
Connector Accesses to CS, SCLK, SDI, and
SDO for Firmware Development
Controllable 5V and 3.3V for VCC and IO Pins to
Support the DS2149 and DS21349 LIUs
DESIGN KIT CONTENTS
DS2149DK/DS21349DK Board
DS2149 28-Pin PLCC
DS21349 28-Pin PLCC
ORDERING INFORMATION
PART
DS2149DK/
DS21349DK
DESCRIPTION
T1/J1 Line Interface Unit Design Kit
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