# Compliance and regulatory certification

In addition to the approval obtained by NMS for the board and its associated software, some countries require a system level approval before connecting the system to the public network. To learn what approvals you require, contact the appropriate regulatory authority in the target country.

Agency | Country | Standard
--- | --- | ---
EMC | EU countries | EN 55022: (1998) Class B (with shielded cable) EN55024 (1998)
Safety | EU countries | EN 60950: (1992 + Amendments 1 to 4)
Telecom | EU countries | TBR3 (ISDN BRI)
| Other countries | Refer to the NMS web site.

## EU R&TTE statement

The AG 2000-BRI board is intended to be connected to a Euro-ISDN basic rate access public telecommunication network in all EU countries.

The physical interface of the AG 2000-BRI board complies with the ITU-T I 430 recommendation and meets the European requirement for ISDN basic access (TBR3).

A copy of the R&TTE Declaration of Conformity is shipped with the board.