User Manual

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Siemens PXC-NRUF – Automation station, compact series CM2N9760en_07
Building Technologies 2015-12-23
Pin occupancy
Pin description.
Pin description.
9215Z01
8 7 6 5 4 3 2 1
1. LONWORKS Data A (CLA).
2. L
ONWORKS Data B (CLB).
3. GND.
4. Plus 24V.
5. Unoccupied.
6. Connected to 8.
7. COM1 / TxD.
8. COM1 / RxD.
Pin
Abbr.
Description
01394
67
89
1
23
45
1
DCD
data carrier detect
2
RXD
received data
3
TXD
transmit data
4
DTR
data terminal ready
5
GND
signal ground
6
DSR
data set ready
7
RTS
request to send
8
CTS
clear to send
9
NC
not connected
"HMI" socket
(LONWORKS)
Interface Modem /
COM2