Schedule 3 Minimum set of private circuits with harmonised technical characteristics
The minimum set of private circuits to be provided throughout the United Kingdom in accordance with Article 7 of the Leased Lines Directive shall be as follows:
| Private Circuit type | Technical characteristics | |
|---|---|---|
| Interface presentation specifications | Connection characteristics and performance specifications | |
| For the types of private circuits listed above, the specifications referred to also define the network termination points (NTPs), in accordance with the definition given in Article 2 of the ONP Framework Directive. | ||
| Ordinary quality voice bandwidth analogue | 2 wiref1—ETS 300 448 or 4 wiref2—ETS 300 451 | 2 wire—ETS 300 448 4 wire—ETS 300 451 |
| Special quality voice bandwidth analogue | 2 wire—ETS 300 449 or 4 wire—ETS 300 452 | 2 wire—ETS 300 449 4 wire—ETS 300 452 |
| 64 kbit/s digitalf3 | ETS 300 288 ETS 300 288/A1f4 | ETS 300 289 |
| 2048 kbit/s digital unstructuredf5 | ETS 300 418 | ETS 300 247 ETS 300 247/A1 |
| 2048 kbit/s digital structuredf6 | ETS 300 418 | ETS 300 419 |
Annotations
Footnotes
- f1
-
The attachment requirements for terminal equipment to be connected to these private circuits are described in Common Technical Regulation 15(CTR 15).
- f2
-
The attachment requirements for terminal equipment to be connected to these private circuits are described in Common Technical Regulation 17 (CTR 17).
- f3
-
The attachment requirements for terminal equipment to be connected to these private circuits are described in Common Technical Regulation 14 (CTR 14).
- f4
-
For an interim period extending beyond 31 December 1996, these private circuits may be provided using other interfaces, based on X.21 or X 21 bis, instead of ETS 300 288.
- f5
-
The attachment requirements for terminal equipment to be connected to these private circuits are described in Common Technical Regulation 12 (CTR 12).
- f6
-
The attachment requirements for terminal equipment to be connected to these private circuits are described in Common Technical Regulation 13 (CTR 13).