NEC NDA-30115-001 User Manual
Page 18
NDA-30115 Revision 1.0
Architecture
Property Management System - Communication Interface
Cabling
Considerations
Considerations
When the PMS is connected to the NEAX through a modem, the cables should just
be “straight through” cables. There should be no crossing.
be “straight through” cables. There should be no crossing.
When the PMS is directly connected to the NEAX, use the following pin
assignments:
assignments:
Figure 2-7 Direct Connection Pin Assignments
1
FG
SD
RD
RS
CS
DR
SG
CD
ST
2
RT
ER
ST
1
2
3
4
5
6
7
8
15
17
20
24
FG
SD
RD
RS
CS
DR
SG
CD
ST
2
RT
ER
ST
1
1
2
3
4
5
6
7
8
15
17
20
24
Pin No. Signal
Cable
Signal
Pin No.
NEAX
PMS