BusinessPhone Communication Platform 4.0
Commands > Commands 1000...1999

## 1901
CRC-4 alarm conditions

The command is used to state if CRC-4 (Cyclic Redundancy Check), check sum control on multiframe is to be used.

At CRC-4-function a threshold value is stated for faults to be reported. Currently this value is a non-programmable initial value, 915.

Note

All reprogramming of data for the common CAS-link is done like the data-programming for the first BTU device in the CAS link group in the stated board position.

Value = Yes or No

Minimum required authority level from telephone: No

Accessible via BMS: Yes

Revision: A © Ericsson Enterprise 2003