ROI-S04488
FUNCTIONAL OPERATION
2-7/8
Fig. 2-1 Functional Block Diagram of IDU in 1+0 System (3/3)
From/To
FIG. 2-1 (2/3)
D
I
F
H
E
G
A
B
C
TX DPU ALM
BER ALM
F SYNC ALM
MOD ALM
DPU SERIAL
DPU SERIAL
DATA UP
DATA DOWN
CPU
S-P
CONV
S-P
CONV
S-P
CONV
TX PWR ALM
RX LEV ALM
APC 1 ALM
APC 2 ALM
IF INPUT ALM
INPUT LOSS 1-16
TX CLK LOSS
RX CLK LOSS
OUTPUT LOSS 1-16
DEM ALM
H BER ALM
FE LB CTRL 1-16
MOD CW
NE LB CTRL 1-16
AIS CTRL 1-16
CPU ALM
CPU RESET
CPU
LA PORT
NMS/RA
RL4
RL1
RL2
RL3
MAINT
ODU
IDU
INTERFACE
TERMINAL
NO
COM
NC
NO
COM
NC
NO
COM
NC
NO
COM
NC
MAINT
TX ALM
RX ALM
BER ALM
Notes: 1. *Optional.
2. Four relay contacts are outputed from interface terminal (ALM/ALM AUX). Plural alarms can be applied
to a single relay. The figure shows the default settings. Refer to paragraph 3.4 for changing the settings.
3. Refer to the table 3.1 Interface Terminals and Jacks for the details of pin assignment for the alarm signals.
CPU CLK
PM CARD*
PHOTOCOUPLERs
RELAYs
INTERFACE
TERMINAL
HOUSEKEEPING
OUTPUT
HOUSEKEEPING
INPUT
INTERFACE
TERMINAL
Summary of Contents for PASOLINK
Page 1: ...DIGITAL MICROWAVE RADIO SYSTEM PASOLINK Training Course ...
Page 16: ......
Page 17: ...B 1 1 IDU ...
Page 18: ......
Page 68: ...Pasolink Digital microwave radio system Installation guide ...
Page 81: ...NEC PASOLINK installation procedure January 2002 ...