OPERATION
ROI-S04488
3-6
Pin 13
Ground
Notes:1. *
1
Optional
2. Both ASC and DSC 64K cannot be used
simultaneously.
ALM/AUX ALM
(D-sub Connector, 37 Pins)
Alarm and transmission network surveillance auxiliary alarm
input/output
Pins 1 (COM), 2 (NO) and
3 (NC)
Transmitter alarm output*
3
Between
Between
Pins 1 and 2
Pins 1 and 3
Normal state
:
Open
Closed
Alarm state
:
Closed
Open
Pins 4 (COM), 5 (NO) and
6 (NC)
Receiver alarm output*
3
Between
Between
Pins 4 and 5
Pins 4 and 6
Normal state
:
Open
Closed
Alarm state
:
Closed
Open
Pins 20 (COM), 21 (NO)
and 22 (NC)
BER alarm output when BER worse than 10
-6
/10
-5
/10
-4
/10
-3
(selectable)*
3
Between
Between
Pins 20 and 21
Pins 20 and 22
Normal state
:
Open
Closed
Alarm state
:
Closed
Open
Pins 23 (COM), 24 (NO)
and 25 (NC)
Maintenance alarm output*
3
Between
Between
Pins 23 and 24
Pins 23 and 25
Normal state
:
Open
Closed
Alarm state
:
Closed
Open
Note:*
3
The BER threshold values and alarm items are set
in factory (default). To change the setting of alarm
items by the PC, refer to Section 3.4.1 “Alarm
Table” of this Manual.
(Housekeeping alarm input through optional PM CARD.)
Pin 7
Input 11
Pin 8 (G)
Input 12
Pin 9
Input 21
Table 3-1 Interface Terminals and Jacks in 1+0 system (4/8)
Terminal
Description
Summary of Contents for PASOLINK
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Page 16: ......
Page 17: ...B 1 1 IDU ...
Page 18: ......
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Page 81: ...NEC PASOLINK installation procedure January 2002 ...