Controlled Products Systems Group SPX-5501 - Manual (Page 7)

Quick Reference For Typical Connections
Using Serial Interface Units
Serial RS-232
RFID
Reader
RXD
TXD
DC
Power
Supply
- RS-485
+ RS-485
Access
Control
Panel
DC
Power
Supply
1 - 8 to 16 VDC In
2 - Ground
1 - +5 VDC out
2 - IN 2
3 - Not Used
4 - N.C.
5 - COM
6 - N.O.
7 - Ground
8 - Ground
1- Not Used
2- Not Used
3 - (-) RS-485
4 - (+) RS-485
5 - RS-232 TX
6 - RS-232 TX
TXD
RXD
- RS-485
+ RS-485
Computer / PLC
1 - 8 to 16 VDC In
2 - Ground
1 - +5 VDC out
2 - IN 2
3 - Not Used
4 - N.C.
5 - COM
6 - N.O.
7 - Ground
8 - Ground
1- Not Used
2- Not Used
3 - (-) RS-485
4 - (+) RS-485
5 - RS-232 TX
6 - RS-232 TX
SPX-6000 Series Central
SPX-6000 Series Remote