11 Technical Appendix
11.8.22.2 Block Diagram LIU
The following block diagram illustrates the functional principle of the board LIU:
micro
controller
RS232
interface
LIU V3
low pass filter
framer &
line interface
isolation
isolation
isolation
isolation
isolation
isolation
isolation
isolation
4.096 MHz
framed outputs
T1.403/G703-9,
balanced (or unbalanced),
1.544 Mbps or 2.048 Mbps
diplexer
diplexer
diplexer
amplifier
amplifier
amplifier
amplifier
clock outputs
G703-13, balanced
1544 kHz or 2048 kHz
clock outputs
G703-13, unbalanced
1544 kHz or 2048 kHz
USB/IMS
interface
IMS - LANTIME M4000
Date: 27th May 2021
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