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Page 18 NDA-30115 Revision 1.0
Architecture Property Management System - Communication Interface
Cabling
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.
When the PMS is directly connected to the NEAX, use the following pin
assignments:
Figure 2-7 Direct Connection Pin Assignments
1FG
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