10
1MRS 750741-MUM
Lon
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/SPA Gateway
Installation Manual
SPA-ZC 100
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Pin
Usage
1
DATA A, data signal pair, signal A (+)
2
DATA B, data signal pair, signal B (-)
3
RTS A, request to send signal pair, signal A (+)
4
RTS B, request to send signal pair, signal B (-)
7
GND, signal ground for the power supply
8
+5V, optional power supply for the SPA-ZC 100
9
+8V, power supply for the SPA-ZC 100
Pin
Usage
2
RXD, data from the SPA-bus device
3
TXD, data to the SPA-bus device
7
GND, signal ground for the power supply
8
+5V, optional power supply for the SPA-ZC 100
9
+8V, power supply for the SPA-ZC 100
1
2
3
4
8
7
9
1
2
3
4
8
7
9
+8V
GND
SPA-ZC 100 SPA device, RS-485 or TTL
9-pin female D-connector 9-pin male D-connector
+5V
int_cablers485
Pin
Usage
2
TXD, data to the SPA-bus device
3
RXD, data from the SPA-bus device
5
GND, signal ground for the power supply
4
+12V, power supply for the SPA-ZC 100
8
+5V, optional power supply for the SPA-ZC 100
9
-12V, not used by the SPA-ZC 100
