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Siemens Building Technologies Basic Documentation LMV51... CC1P7550en
HVAC Products 7 Display and operating unit AZL5... 01.10.2003
AZL COM2
8-pin Western
Cable
7550t02E/0502
e-bus PC adapter
25-pin SUB-D connector
RxD
1
2
3
4
5
6
7
8
TxD
GND
2
3
7
20
4
GND
U1
U2
__
__
__
__
__
When making and fitting a connecting cable between the AZL5.. and a converter, it is to
be noted that Pin 5 and Pin 7 can deliver a current of maximum 5 mA each. Adequate
insulation against other potentials must be ensured.
AZL COM1
9-pin connector
Cable
7550t01E/0502
PC COM
9-pin socket
RxD
1
2
3
4
5
6
7
8
9
TxD
GND
RxD
TxD
GND
1
2
3
4
5
6
77
88
9
Connecting cable
to the e-bus adapter
Connecting cable
to the PC
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