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Data Sheet

CPU1

Processor Module

The processor module, CPU1 (Central Processing Unit) administers the configuration

(programmes and parameters) of the DVS-21 system. It controls the interaction

between the external interfaces, the slide-in modules and the PCM bus.

At a Glance:

• Control and monitoring of DVS-21 functionality

• Central parameterization of all system modules

• 4 system configurations on 4 memory banks, switchable

• External clocking over 2 MBit/s (HDB3) or 2 MHz

• DVS-21 system clock, can be synchronized to DCF77

• Local and remote malfunction signals

• Configurable over a serial V.24 interface

• Configuration software runs on windows, also runs offline

Fig. CPU1 (L- No. 2200)

Date:

13.03.2009

Page:

1/4

Author:

Document-No.:

DB_CPU1_2200_01

Summary of content (4 pages)

PAGE 1
Data Sheet CPU1 Processor Module The processor module, CPU1 (Central Processing Unit) administers the configuration (programmes and parameters) of the DVS-21 system. It controls the interaction between the external interfaces, the slide-in modules and the PCM bus.
PAGE 2
Data Sheet CPU1 Processor Module The principle functions are illustrated in the following block diagram. DCF77 RTC Config. Port CPU Clock Sync. Block diagram CPU1 The processor module administers up to 28 modules of a DVS-21 system. Communication with the modules is done through the bus system of the backplane. - Card select (KS) 1 - 28: Addressing of the modules in the DVS-21 system - PCM bus: 48 PCM user channels (duplex) A standby processor can be fitted on a special backplane variation as option.
PAGE 3
Data Sheet CPU1 Processor Module The configuration software “ICS x.xx” offers the possibility of transferring or readingout of up to 4 system configurations to/from the CPU1 over the serial V.24 interface (port 1) (Userbank 1 – Userbank 4). The internal DVS-21 system clock can be updated by an external DCF77 receiver. If several DVS-21 systems are connected together as group then the synchronization of the system clocks of the systems in the group can be done with only one DCF77 receiver.
PAGE 4
Data Sheet CPU1 Processor Module Technical Data: Operating Voltage: +/-5 V (control) Operational Current (+5 V): 200 mA Operational Current (-5 V): 4 mA Interfaces: (V24 to backplane) • 28 control outputs (card selection) for addressing of the DVS-21 modules • 48 PCM user channels Interfaces: (V.