Kaba MIFARE, Техническое руководство

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Mounting with installation instructions
26 k4evo707en-2012-07
With 2 bus lines
 Set the
terminating resistors
on the first and last device to
120
Ω and all the others to
open
 Connect the
shieldings
of the RS-485 cables on the parent control unit and connected devices
to connection
C
(common); connect the
shieldings
of the RS-485 cables between the devices
to each other
 Max. length between the last two devices is 1,200 m
3.5.1.2 Example of star cabling
The terminating resistor is adjusted either at the DIP switch or the jumper.
 Set the
terminating resistor
on the parent control unit to
120
Ω and all the other devices
to
4.7 K
Ω
 Connect the
shieldingsof the RS-485 cables
on the parent control unit and the connected
devices to connection
C
(common)
 Max. length per stub is 100 m