Installation manual

Bosch Security Systems

Divar - Easy | Installation Manual | Hardware setup EN | 4-4

Keyboard connection

The keyboard input connector is used to connect an external keyboard to the

unit. Connect the keyboard to the KBD IN connector.

For short distances (up to 30m), standard 6-core telecom flat cable can be used

to supply power and signal connections for the keyboard.

For distances over 30m between keyboard and Divar, the Keyboard Extension

Kit (LTC 8557) must be used. This kit provides junction boxes, cables and the

appropriate power supply for the external keyboards. The recommended cable

type is Belden 9841 or equivalent.

Specifications

Communicaton protocol: RS485

Maximum signal voltage: ± 12V

Power supply: 11 - 12.6V, maximum 400mA

Maximum cable length: 1.5 kilometers

Cable type: black (cross-over) cable (supplied with keyboard)

Termination: 390 Ohm terminator

Keyboard In - RJ11 socket (KBD IN)

Pin no. Signal

1 +12 V DC (11V Min to 12.6V Max, 400mA Max)

2 System ground

3 Keyboard plus line

4 Keyboard minus line

5 System ground

6 System ground

Panel view