Bosch AMC2 4W Installation Manual page 34

34 en | Installing
The following conditions apply for an RS-485 bus system:
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To use RS-485 mode at the AMC2 4W, connect the data cables
to the pluggable screw connector of the RS-485 host interface.
Then set the RS-485 address via DIP switch or software and
activate the RS-485 two-wire or four-wire mode via jumper set-
tings.
F.01U.024.965 | V 0.1 | 2006.03
A bus system consists of a bus line and/or one or more
branch lines.
Cable lengths exceeding 100m or 300ft must be installed
as bus lines.
Branch lines are branching connections from a bus line. If a
branch line is used. the spur line should be attached
directly to the device.
Bus devices are the host computer.
Peripheral devices are AMC2 4W which are connected to
the host computer.
Maximum cable length of a bus line must not exceed
1200m or 4000ft.
The cable length of branch lines must not exceed 100m or
300ft.
Any bus line conductor connects up to eight AMC2 4W. The
maximum number of devices must not be exceeded.
For longer bus lines connect the AMC2 4W to multiple
AMC-MUX (-EXT) with the host.
AMC2 4W | Installation manual
Bosch Sicherheitssysteme GmbH