Functional Block Diagram Of Idu In 1+1 System - NEC PASOLINK Training Course

ROI-S04488
CH1 IN
CH2 IN
2 × 2 MB
SYSTEM
CH1 OUT
CH2 OUT
4 × 2 MB
SYSTEM
CH3 IN
CH4 IN
CH3 OUT
CH4 OUT
8 × 2 MB
SYSTEM
CH5 IN
CH6 IN
CH5 OUT
CH6 OUT
CH7 IN
CH8 IN
CH7 OUT
CH8 OUT
CH9 IN
CH10 IN
CH9 OUT
CH10 OUT
CH11 IN
CH12 IN
CH11 OUT
CH12 OUT
16 × 2 MB
SYSTEM CH13 IN
CH14 IN
CH13 OUT
CH14 OUT
CH15 IN
CH16 IN
CH15 OUT
CH16 OUT
INPUT LOSS 1-2
AIS RCVD 1-2
PLS AIS
MON DET LOOPBACK
CKT
B-U LOOPBACK
CONV CKT
AIS CTRL
U-B
CONV
AIS CTRL
OUTPUT LOSS 1-2
PLS MON
INPUT LOSS 3-4
AIS RCVD 3-4
PLS AIS
LOOPBACK
MON DET
CKT
LOOPBACK
B-U
CKT
CONV
AIS CTRL
U-B
CONV
AIS CTRL
PLS MON
1/8
Fig. 2-2 Functional Block Diagram of IDU in 1+1 System (1/4)
INTFC SECTION (CH1 - CH4)
FE LB CTRL 1-4
MEM
FE LB ANS 1-4
MEM
MUX
MEM
MEM
MEM
MEM
DEMUX
MEM
MEM
OUTPUT LOSS 1-2
OUTPUT LOSS 3-4
AIS RCVD 1-2
INPUT LOSS 1-2
AIS RCVD 3-4
INPUT LOSS 3-4
FE LB CTRL 1-4
FE LB ANS 1-4
NE LB ANS 1-4
FE LB CTRL 1-4
NE LB CTRL 1-4
INTFC SECTION (CH5 - CH8)
(SAME AS ABOVE)
INTFC SECTION (CH9 - CH12)
(SAME AS ABOVE)
INTFC SECTION (CH13 - CH16)
(SAME AS ABOVE)
P-S CONV
CLK MON
TX CLK LOSS
TX FPLS
TX CLK
S-P CONV
RX CLK
RX FPLS
CLK MON
RX CLK LOSS
AIS CTRL
F SYNC ALM
12M CLK
SERIAL ALM
P-S
CONV
SERIAL DATA
S-P
CONV
FUNCTIONAL OPERATION
a
b
w
x
i
j
u
v
y
s
t
FROM/TO
FIG. 2-2 (2/4)
q
r
c
d
k
l
e
f
m
n
g
h
o
p
2-9/10