4
Radio Terminals
4.1
Overview
A Radio Terminal provides microwave transmission from 2x2 to 155 Mbit/s,
operating within the 6–38 GHz frequency bands, utilizing C-QPSK and 16, 64
or 128 QAM modulation schemes. It can be configured as unprotected (1+0) or
protected (1+1).
Figure 55
An unprotected (1+0) Radio Terminal comprises:
•
•
•
4/1555-CSH 109 32/1-V1 Uen B 2007-09-14
An unprotected (1+0) Radio Terminal (grayed)
One RAU
One antenna
One MMU
Power A
-48V
Alarm A
Power B
Alarm B
-48V
Fault
Power
FAN UNIT
Radio Terminals
8483
59