S.I. No. 75/1997 - Telecommunications (Amendment) Scheme, 1997.

1. Ordinary Quality Voice

(2),(3)

Bandwidth

2 or 4 wire Analogue(4)

ITU.T M.1040

65.00

41.00

47.48

27.58

2. Special Quality Voice(2)

,

(3) Bandwidth

2 or 4 wire Analogue(4)

ITU.T M.1020(5)

85.00

61.00

31.20

22.66

3. From 64 kBit/s Digital to(2)

,

(3)

,

(6)1544 kBit/s Digital

X21 bis

ITU.T G.821

65.00

45.00

8.74

9.19

4. 2048 kBit/s Digital(2)

,

(3)

,

(7) Unstructured

ITU.T G.703

ITU.T G.821

83.00

63.00

5.63

5.86

5. 2048 kBit/s Digital(2)

,

(3) Structured

ITU.T G.703 and G.704 (excluding Section 5)(8)

ITU.T G.821(9)

N/A

N/A

N/A

N/A

(1)

The ITU.T recommendations referenced to the 1988 version. ETSI has been requested to carry out further work on standards for leased lines.

(2)

Minimum contract period is one year (shorter term contracts may be provided for international circuits).

(3)

Leased Lines may be ordered from Bord Telecom Éireann public offices details of which are to be found in the telephone directory.

(4)

M.1020 and M.1040 circuits are provided as 4 wire circuits.

(5)

The special quality voice circuit provided by Bord Telecom Éireann is supplied to M. 1020 specifications.

(6)

The attachment requirements for terminal equipment to be connected to these leased lines are described in Common Technical Regulation 14 (CTR14),

(7)

The attachment requirements for terminal equipment to be connected to these lines are described in CTR12.

(8)

With cyclic redundancy checking in accordance with ITU.T G.706.

(9)

In-service monitoring can facilitate improved maintenance by Bord Telecom Éireann.

(10)

This refers to the period counted from the date when the customer has made a firm request for a leased line, in which 80% of all leased lines of the same type have been put through to the customer.

(11) This refers to the time duration (in hours) within which 80% of the leased lines of the same type are repaired. The time duration starts when a failure message is given to the appropriate unit in Bord Telecom Éireann and finishes when the line is re-established and in appropriate cases notified back to the user.

(12)

The description above of the Typical Delivery Period, Average Delivery Period, Typical Repair Time and Average Repair Time does not constitute a legally binding commitment on part of Bord Telecom Éireann to deliver or repair leased lines within such periods or times.

PRESENT when the Common Seal of BORD TELECOM ÉIREANN

was affixed thereto this 10th day of February 1997.

A. KEANE,

Director.

Martin Giffney,

Telecom Éireann,

114 St. Stephen's Green,

Dublin 2.

RONALD BOLGER,

Director.

EXPLANATORY NOTE.

The purpose of this Scheme is to provide for certain modifications to the Telecommunications Scheme, 1994, to give effect to the rebalancing of leased line charges.

S.I. No. 75 of 1997.

TELECOMMUNICATIONS (AMENDMENT) SCHEME, 1997.

BORD TELECOM ÉIREANN, in exercise of the powers conferred on it by

section 90

of the

Postal and Telecommunications Services Act, 1983

(No. 24 of 1983) hereby makes the following Scheme