NEC PASOLINK+ Manual page 24

MTD-PL-028/141005
MPX
to/from
IDU
TX first MIX
(Depend on frequency band)
TX IF
MIX BPF
TX IF
RX IF
BPF
DC-DC CONV
Figure 4-5. PASOLINK
(a) 1+0 ODU (Type 2)
(b) 1+0 IDU
Figure 5. External View of ODU and IDU
PASOLINK
RF CKT
MIX PA
BPF
MIX
LNA
CTRL
LO
+
- ODU Block Diagram
- 19 -
+
155 MB 1+0/1+1 SYSTEM
DUP
to/from
ANTENNA