NEC PASOLINK, Training Course

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ROI-S04488
FUNCTIONAL OPERATION
2-13/14
Fig. 2-2 Functional Block Diagram of IDU in 1+1 System (3/4)
TX SW CTRL
From/To FIG. 2-2 (4/4)
From/To FIG. 2-2 (2/4)
S/P
5
F
I
INTFC SERIAL
a
A
B
C
D
J
BER ALM
F SYNC ALM
DATA UP
DATA DOWN
CPU CLK
TX DPU ALM
From/To FIG. 2-2 (2/4)
FE LB CTRL R 1-4
DPU
SERIAL
FE LB ANS R 1-4
INPUT LOSS 1-4
AIS RCVD 1-4
NE LB ANS 1-4
TX IN CLK LOSS
RX IN CLK LOSS
OUTPUT LOSS 1-4
AIS SEND 1-4
DEM ALM
L BER ALM
H BER ALM
ODU
SERIAL
DPU
SERIAL
CPU ALM
P/S
CONV
CPU
S-P
CONV
S-P
CONV
TX PWR ALM
RX LEV ALM
APC 1 ALM
APC 2 ALM
IF INPUT ALM
ALM CTRL (No. 1 CH)
ODU
IDU
INPUT LOSS 1-16
AIS RCVD 1-4
TX IN CLK LOSS
RX IN CLK LOSS
OUTPUT LOSS 1-16
DEM ALM
L BER ALM
H BER ALM
FE LB CTRL 1-16
MOD CW
NE LB CTRL 1-16
AIS CTRL 1-16
MAINT
S-P
CONV
P/S CONV
RESET
CPU
FE LB CTRL
PM CARD*
S/P
CONV
P/S
CONV
NE LB CTRL
DEM ALM
MOD ALM
DPU SERIAL
H
E
b
G
c
TX 1 ALM
RX 1 ALM
To FIG. 2-2 (1/4)
r
SERIAL DATA
LA
PORT
NMS/RA
MAIN BOARD 1 SERIAL
MAIN BOARD 2 SERIAL
d
e
f
TX 2 ALM
From FIG. 2-2 (4/4)
From/To FIG. 2-2 (2/4)
From/To FIG. 2-2 (2/4)
RX 2 ALM
From/To FIG. 2-2 (1/4)
(SAME AS ABOVE)
ALM CTRL (No. 2 CH)
ODU
IDU
MAINT
To FIG. 2-2 (4/4)
5
r
P
T
S
K
L
M
N
R
O
Q
TX SW CTRL
INTFC SERIAL
BER ALM
F SYNC ALM
DATA UP
DATA DOWN
CPU CLK
TX DPU ALM
DEM ALM
MOD ALM
DPU SERIAL
SERIAL DATA
INTERFACE TERMINAL
PHOTOCOUPLERs
RELAYs
HOUSEKEEPING
OUTPUT
HOUSEKEEPING
INPUT