User's Manual

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Figure 3.4 N2ROU Block Diagram (2.5TDD Band Expansion)
The components are;
R-Optic: Remote Optical Unit
RCPU: Remote Central Processor Unit
RPSU (AC): Remote AC Power Supply Unit (When using the AC input power)
RPSU (DC): Remote DC Power Supply Unit (When using the DC input power)
N2RDU_781921: Remote Drive Unit (4 bands)
N2RDU_2500TDD: Remote Drive Unit (1 band)
N2RDU_2500TDD_M: Remote Drive Unit (1 band)
N2ROU_MUX_5B: Combining Unit
2500TDD_DUP Kit: 2.5TDD Duplexer
Special attention required for using 2.5TDD band expansion. Must select the band
ID, 2.5TDD_LB + 2.5TDD_UB from MDBU_2.5TDD S/M module as shown below.
3.2 N2ROU Component
The following figure shows internal configuration of the N2ROU fully equipped with frequency
bands.