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AMC2 4W Installing | en 31
Bosch Security Systems Installation manual F.01U.024.965 | V.4 | 2006.09
The following conditions apply for an RS-485 bus system:
– 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.
– 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.
To use RS-485 mode at the AMC2 4W, connect the data cables
to the pluggable screw connector of the RS-485 host interface.
Set the connection mode of the RS-485 using the DIL switch of
the AMC-MUX. Then set the RS-485 address via DIL switch or
software and activate the RS-485 two-wire or four-wire mode
via jumper settings on the AMC - see Figure 5.10 and
Figure 5.12.
i
NOTE!
Up to seven AMC-MUX-EXT can be connected to an AMC-MUX.
Every module subjects the conditions above. Using the exten-
sions you can’t connect more than eight AMC2 4W.
To get more information about the AMC-MUX and the extension
see the manual of these devices (F.01U.012.855).