BusinessPhone Communication Platform 4.0
Commands > Commands 0000...0999

## 0140
Transmission group

The command is used to state in which transmission group of the transmission matrix the extension should be included. The transmission matrix is defined in command 2720 The transmission matrix and is used for adaptation of the relative levels depending on which type of interface the extension is connected to.

0 = |  | Initial value, used for all types of ELUs, BTU-A on short trunk lines BTU-D

1 = |  | BTU-A on medium trunk lines

2 = |  | BTU-A on long trunk lines

3 = |  | 2-wire tie lines (BTU-C, BTU-E)

4 = |  | 4-wire tie lines (BTU-E)

5-6 = |  | Reserved for special market requirements

7 = |  | No transmission adaptation

Minimum required authority level from telephone: No

Accessible via BMS: Yes

Revision: A © Ericsson Enterprise 2003