Bosch DiBos Micro Installation Guide download pdf (Page 134)

134 en | Connections DiBos/DiBos Micro

F.01U.033.308 | V7 | 2009.09 Installation Guide Bosch Sicherheitssysteme GmbH

9.7 Connecting the MINITER RS 485 Foyer Card Reader

The MINITER RS 485 foyer card reader is connected via a serial interface. A maximum of four

foyer card readers can be connected in series.

It is possible to operate the LS23M and the MINITER RS 485 foyer card readers on the same

serial bus. Note that the LS23M foyer card reader should preferably be installed as the last

bus element.

For further information on how the interface converter works, see the description W&T

Interface Model 86000.

1 Video system 5 RS232

2 COM x 6 Foyer card reader 1 (MINITER RS

485) (4.998.098.769 /

4.998.098.767)

3 Connection cable, 9-pin - 25-pin 7 Per wire 2 x 0.6 mm

4 Interface converter W&T 86000

(4.998.053.926)

8 Foyer card reader 4 (LS23M), J2

connected

NOTICE!

– The distance between the interface converter and the last foyer card reader can be a

maximum of 1000 m (installation cable J-Y(St) Y 2 x 2 x 0.6 mm).

– The foyer card reader must be correctly grounded!

– Shielding may only be applied on one side.

– The connection between the foyer card readers may only be made via the connector strip

of the reader.

– If the last foyer card reader on the RS 485 bus is a MINITER, the RS 485 bus must always

be terminated with a 250 Ohm termination resistor (resistor is included in delivery).

– For flush mounting: At the rear of the housing, the angle bracket that the credit card hits

must be cut off. Only then is the credit card data read correctly.

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Bosch DiBos Micro Installation Guide Page 134