Line Lengths Of The Bus System - Telecom Behnke 20-3117 Manual

4.2. Line lengths of the bus system

Behnke
IP door
intercom
4
Bus subscriber 1
4
Bus subscriber 2
4
Bus subscriber 3
Flashing – no additional
subscriber connected
Status LED indication during flawless operation
Behnke
IP door
intercom
4
Bus subscriber 1
4
Bus subscriber 2
Flashing – faulty
communication
4
Bus subscriber 3
Flashing – no additional
subscriber connected
Status LED indication for a bus error
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Description of connections
Cable length
Please note the following general requirements
that apply to Behnke's IP extension interface:
the minimum core cross-section is 0.6mm² and
the maximum cable length between either two
bus subscribers or between the bus subscriber
and Behnke's IP basic electronics is 50m.
Number of bus subscribers
By default, up to 6 subscribers may be con-
nected to Behnke's IP extension interface.
Under certain conditions, this number may
be further extended to up to 28 subscribers,
however, please contact our 24-hour-service for
additional information.
Special needs Manual
GB
51