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
10
22
11
23
19
21
13
25
14
4
5
4
5
1
5
2
6
3
7
4
8
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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