NEC PASOLINK Training Course page 50

OPERATION
Table 3-2 Interface Terminals and Jacks of 1+1 System (6/9)
Terminal
Pin 12 (G)
Pin 13
Pin 14
Pin 15
Pin 16
Pin 17
Pin 18
Pin 19
Pin 20
Pin 21
Pins 22 and 23
Pins 22 and 24
Pins 22 and 25
NMS/RA
(D-sub Connector, 15 Pins)
Pin 1
Pin 2
Pin 3
3-16
Input 62
Ground
Output 11
Output 12
Output 21
Output 22
Output 31
Output 32
Output 41
Output 42
Note: Input[ ] indicates the input of housekeeping alarm. The
figure means that same order of tens makes the same pair
e.g. 11/12 forms a pair. IDU side interface uses that of
photo-coupler, the photo-coupler turns ON if pair
elements contact with each other.
Output[ ] indicates the output of housekeeping alarm.
Figure means the same as in the Input. IDU side output
uses the relay interface.
Remote switching control signal input for release
Remote switching control signal input for No. 1 channel
No. 1 channel selection : closed
Remote switching control signal input for No. 2 channel
No. 2 channel selection : closed
Network management system (NMS) data input/output or
remote access (RA) data input/output
Note: When the PM CARD is not mounted on the equipment,
this connector is used for Remote Access.
PM CARD
Party alarm management system
(PAMS) TXD
EMS TXD/TXD+
EMS RXD/TXD−
Description
RA
RA TXD
RA GND
RA RXD
ROI-S04488