BusinessPhone Communication Platform 7.0
Installation Instruction ASB 150 02 > Boards for ASB 150 02

## ELU-D3 (ROF 157 5130/_)

For digital telephone line connections (DASL 2B+D) with -48V DC power feed:

- ELU-D3 (ROF 1575 5130/1)
  32 digital extensions
- ELU-D3 (ROF 1575 5130/2) subequipped
  16 digital extensions
- ELU-D3 (ROF 1575 5130/3) subequipped
  8 digital extensions

|  | Insert PROM RYS 102 532/2 *) |
|  | Insert PROM RYS 102 532/1 *) |

*) part of order number: LZYBS 203 5130

#### Connection to ELU-A, ELU-D and ELU-D3

The connection of extension boards described in this chapter are:

- ELU-A (ROF 1575 114/1)
- ELU-A2 (ROF 1575 114/2)
- ELU-D (ROF 1575 116/_)
- ELU-D3 (ROF 157 5130/_)

On sub-equipped ELU-A and ELU-D_ boards the connectors for extensions 8...15 (32) are not mounted.

Note

On the first ELU-D_ board in the system the first three extension positions should be used to connect the OPERATOR telephones.

Revision: J © Ericsson Enterprise 2005