BusinessPhone Communication Platform 4.0
Signal Types, Internal Messages and CSW-Blocks

## Card Types

|  | Short Name |  | Comment |
0 |  | ELUD |  | Digital extension lines, DASL |
1 |  | ELUA |  | Analogue extension lines |
2 |  | ELUC |  | Digital extension lines, DIC-DEC |
3 |  | ICCU |  | Cordless extension lines |
4 |  | IOU |  | I/O-unit, V.24 (same as old TYPE.CMU) |
5 |  | SMU |  | System modem, built in V.22 |
6 |  | RSU |  | Register signal units |
7 |  | VMU |  | Voice Memory Unit |
8 |  | BTUDC |  | Digital trunk lines, 30 channel CAS |
9 |  | BTUA |  | Analogue trunk lines |
10 |  | BTUDP |  | Digital trunk lines, primary access ISDN |
11 |  | BTUB |  | Digital trunk lines, basic access ISDN |

Revision: PD2 © Ericsson Enterprise 2003