BusinessPhone Communication Platform 4.0
Installation Instruction ASB 150 02 > Boards For ASB 150 02

## CPU-D_ (ROF 157 5118/_) and AUX_ (ROF1575 119/_)

Before installing the board mount the system software PROMs in the appropriate positions.

#### Connections on the CPU-D_

For connection of TEMPERATURE SENSOR KIT, see Installation Instruction (1531-RPM 603 339).

The ALARM input is optically isolated and the voltage has to be between 20 - 60 VDC.

The ALARM output is equipped with an open collector transistor with a capacity of 20 mA at 12 VDC (Maximum 14 VDC).

Use the following prefabricated cables to connect the peripheral data equipment to CPU-D_ and AUX_:

- PC is TSR 902 0448/1
- printer is TSR 902 0476/1
- modem is TSR 902 0466/1

Revision: A © Ericsson Enterprise 2003