Bosch DiBos Micro Guide d'installation télécharger pdf (Page 144)

144 en | Connections DiBos/DiBos Micro

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

OVS interface converter bridge assignment

Exchanging transmit and receive lines

– Variant 1:

BR1, BR2: Position 1/2

ST3: Pin 2 = transmit line, Pin 3 = receive line

– Variant 2:

BR1, BR2: Position 2/3

ST3: Pin 2 = receive line, Pin 3 = transmit line

1OVS

2 12V/24V connection

Warning:

Disconnect the mains plug before opening the

OVS!

For 12 V/24 V supply

BR4: Position 1/2

BR5: Position 1/2

BR6: Position 1/2

For 230 V supply

BR4: Position 2/3

BR5: Position 2/3

BR6: Open

OPTO pin assignment V.24 (ST3) pin assignment

Direction Connection Direction Connection

Input - 1 Transmit/Receive * 2

Input + 6 Receive/Transmit * 3

Output + 5 0 V 5

Output - 9

* depending on BR1/BR2

OPTO V.24

ST3

BR2 BR1

BR6

BR5

BR4

ST11

−

NOTICE!

For cabling, telephone cables of type J-Y(St)Y 2x2x0.6 are recommended. The cable shielding

must be grounded at the alarm panel side to avoid earth currents.

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Bosch DiBos Micro Guide d'installation Page 144