NEC PASOLINK Training Course page 26

ROI-S04488
From/To FIG. 2-2 (3/4)
Notes : 1. Eight relay contacts are outputed from interface terminal (ALM TERMINAL). Plural alarms
can be applied to a single relay. The figure shows the default settings. Refer to paragraph 3.4
for changing the settings.
2. Refer to the table 3.2 for Interface Terminals and Jacks for the details of pin assignment for
the alarm signals.
TX CLK LOSS 1
From/To FIG. 2-2 (2/4)
1
TX 1 ALM
a
TX SW CTRL
To FIG. 2-2 (3/4)
5
TX CLK LOSS 2
From FIG. 2-2 (2/4) 2
TX 2 ALM
d
RX CLK LOSS 1
From FIG. 2-2 (2/4)
3
RX 1 ALM
b
RX SW CTRL
6
From/To FIG. 2-2 (2/4) RX CLK LOSS 2
4
RX 2 ALM
e
MAIN BOARD 1 SERIAL
c
MAIN BOARD 2 SERIAL
f
Fig. 2-2 Functional Block Diagram of IDU in 1+1 System (4/4)
MOD 1 ALM
TX DPU 1 ALM
TX PWR 1 ALM
APC 11 ALM
S/P
APC 12 ALM
IF INPUT 1 ALM
OPR 1 ALM
TX SW
CTRL LOGIC
MOD 2 ALM
TX DPU 2 ALM
TX PWR 2 ALM
APC 21 ALM
S/P
APC 22 ALM
IF INPUT 2 ALM
OPR 2 ALM
No. 1
I
OPR
APC 11 ALM
AUTO
SEL
I
APC 12 ALM
No. 2
RX LEV 1 ALM
OPR 1 ALM
S/P
F ASYNC 1 ALM
DEM 1 ALM
BER 1 ALM RX SW
CTRL LOGIC
APC 21 ALM
APC 22 ALM
RX LEV 2 ALM
OPR 2 ALM
S/P
F ASYNC 2 ALM
DEM 2 ALM
BER 2 ALM
TX PWR 1 ALM
APC 11 ALM
APC 12 ALM
IF INPUT 1 ALM
INPUT LOSS 1-4
MUX ALM 1
RX LEV 1 ALM
S/P
OUTPUT LOSS 1-4
H BER 1 ALM
FE LB CTRL 1-4
MOD 1 CW
NE LB CTRL 1-4
AIS CTRL S 1-4
TX PWR 2 ALM
APC 21 ALM
APC 22 ALM
IF INPUT 1 ALM
INPUT LOSS 1-4
MUX ALM 2
RX LEV 1 ALM
S/P
OUTPUT LOSS 1-4
H BER 1 ALM
FE LB CTRL 1-4
MOD 1 CW
NE LB CTRL 1-4
AIS CTRL S 1-4
ALM CTRL (COMMON)
TX ALM 1
TX OPR 1
TX OPR 2
TX ALM 2
OPR REL
No. 1
No. 2
AUX ALM
TERMINAL
RX ALM 1
RX OPR 1
RX OPR 2
RX ALM 2
ALM
TERMINAL
NO
RL 1
COM TX ALM 1
NC
NO
RL 2 COM TX ALM 2
NC
NO
RL 3 RX ALM 1
COM
NC
NO
RL 4 COM RX ALM 2
NC
NO
RL 5 COM
BER ALM
NC
NO
RL 6 COM MAINT ALM
NC
No.2
COM
RL 7 TX SW OPR
No.1
No.2
RL 8 COM RX SW OPR
No.1
MAINT
FUNCTIONAL OPERATION
REMOTE
CTRL IN
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