User Manual

3
Siemens
A6V11236956_en
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Building Technologies 2017-11-27
USB cable
The length of the USB cable is 1.0 m. The USB port connecting to the PC is USB 2.0 and is
also compatible with USB 3.0, type A. The USB port connecting the interface (AST22) is
USB type B.
USB type B USB type A
Power switch for PPS2 bus power supply
The slider switch on the side of the AST22 is used to manually switch on and off the PPS2
bus power supply.
PPS2 connection cable
A PPS2 connection cable (2.5 m) is included to connect to VAV compact/modular controllers
as of production year 2012.
∂ RJ45 on 7-pin plug
RJ45 7-pin plug (2.0 mm connector)
Type summary
Ordering
Please indicate the product type and stock number when ordering, for example:
Type Stock number Description
AST22 S55499-D373 USB-PPS2 interface converter
Product documentation
Topic Title Document no:
Conformity with European
Directives
EU conformity (CE) A5W00038809
Manufacturer's conformity
declaration
RCM conformity A5W00038810
Environmental compatibility Environmental product declaration (EPD) A5W00041532
Related documents such as environmental declarations, CE declarations, etc., can be
downloaded at the following Internet address:
http://siemens.com/bt/download