X511 connector details | Bosch Appliances 3.5 specification

2011-02 Installation and User Instructions 5 Call Stations

en 247

The value of resistor R in figure 21.10 depends on the voltage of the external source, the forward voltage of the LED and the current flowing through the LED:

Vsource – Vforward

R = --------------------------------------------

For example, the voltage of the external source is 24 V, the forward voltage of the LED is 2 V and the current flowing through the LED is 10 mA, then:

R =	24 – 2	= 2200 (Ω)
	10--------------------⋅10–3

Warning

Do not connect DC or AC signals to the control inputs, otherwise the input circuit may be damaged. Only use voltage-free contacts.

21.2.5 External speaker (X511)

The external interface for external speakers consists of a pin header connector with 6 positions (see the PCB for the pin numbering.) When using an external loudspeaker, also connect a volume control (see section 21.2.2).

table 21.9: X511 connector details

Pin	Signal
1, 2, 3	Speaker +
4, 5, 6	Speaker -

table 21.10: X511 technical data

Impedance:

8 to 32 ohm Signal/Noise ratio:

typical 80 dB ± 3 dB at max. output

Output power:

typical 100 mW, max. 300 mW

21.2.6 Keypad interface (X1)

The external interface for the keypad (kits) consists of an IDC connector with 16 positions. Keypads are connected in series. That means there is only a direct connection between the remote call station kit and the first keypad. The second keypad is connected to the first, the third to the second etc. using standard flat cables.

table 21.11: X1 connector details

Pin	Signal
1	Synchronization line.

2	GND
3	Interrupt line (INT)
4	GND
5	Data I2C (SDA)
6	GND
7	Clock I2C (SCL)
8	GND
9	Power
10	GND
11	Power
12	GND
13	Power
14	GND
15	Power

16	GND

Bosch Security Systems 2011-02

3.5 specifications

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Bosch Appliances 3.5 X511 connector details, 10 X511 technical data, 11 X1 connector details

Models: 3.5