User Manual

Technical data
PC connector RS232
Patch cable connector RJ45
RS232–RJ45 adapter
Connector RJ45
Wiring
1:1
Number of strands on patch cable
8
RJ45 patch cable
Patch cable connector
RJ45
J1 service connector room controller 8-pin connector
Number of strands on ribbon cable
8
J1 service adapter
Connection diagrams
Room controller
connections
The HRC3.1 has RS232 interface (8-pin RS232, RJ45) on plug X13 for general
servicing and diagnostics.
HRC3.1: Plug X13
1
GND
2 RxD
3 RTS
4 TxD
5 CTS
6 +12 V
7 +12 V
12345678
8 GND
The HRC3.2 has a service interface J1 (10 pins) for servicing and diagnostics.
HRC3.2: Plug J1
A TxD_ES
B RxD_S
C 3,3 V
D GND
E Test
F GND
G Service active
H GND
I Boot-Loader
RxD_S
GND
GND
GND
GND
Boot loader
Service active
Test
3.3 V
TxD_ES
6314z09
J GND
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Siemens Adapter and cable set CM2N6355en
© 2008 Siemens Switzerland Ltd Sub
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Building Technologies 31.07.2008