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Access Modular Controller 2
4.11
Wiegand interface for card readers
The AMC2 provides four ports for connecting a maximum of 4 readers with Wiegand
interfaces. Each interface is connected using a 10-pin pluggable screw - refer to Connecting
diagrams, page 46 .
Figure 4.16: Location of the Wiegand interfaces for external devices
These interfaces are point-to-point connections, and each can support only a single reader
with a maximum cable length of 90 m (300 ft) for 24 AWG or 150 m (500 ft) for 22 AWG.
Readers are addressed according to their respective interface numbers.
Notice!
When wiring the readers, the voltage loss on the line must be taken into account. The voltage
i
must be maintained according to the specifications of the reader.
If this is not the case, use a cable with a larger cross-section or a separate power supply with
the reader.
Bosch Security Systems B.V.
Installation manual
Installing | en
27
2021-04 | V04 | IM
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