Rec. ITU-T G.797 (03/1993) … CHARACTERISTICS OF A FLEXIBLE MULTIPLEXER IN A PLESIOCHRONOUS DIGITAL HIERARCHY ...
FOREWORD
CONTENTS
ABSTRACT
1 General characteristics
1.1Definitions
1.2 Abbreviations
1.3 Application of the equipment
1.3.1 Network configurations
1.3.2 Services
1.4 Size
1.5 Modularity
1.6 Timing signal
2 Functions
2.1 Mapping
2.2 Signal processing
2.3 Concentration
2.4 Management
3 Functional representation of the equipment and definition of reference points
3.1 Functional representation
3.2 Definition of functional blocks
3.3 Definition of reference points
4 Tributary interfaces
4.1 Analog interfaces
4.1.1 Voice band interfaces
4.1.2 Wide band interface
4.2 Digital interfaces
4.2.1 DTE/DCE interfaces
4.2.2 G.703 64 kbit/s codirectional
4.2.3 Integrated base band line termination
4.2.4 Tributaries supported in a G.704 frame
4.2.5 Basic ISDN user-network interface
5 Aggregate interfaces
5.1 2048 kbit/s interface
5.1.1 Electrical characteristics at A reference point
5.1.2 Configurable parameters
5.1.3 Framing at E/E reference point
5.1.4 Test functions
5.2 8448 kbit/s interface
5.2.1 Electrical characteristics at A reference point
5.2.2 Framing at B reference point
5.2.3 Test functions
5.3 34 368 kbit/s interface
5.3.1 Electrical characteristics at A reference point
5.3.2 Framing at B reference point
5.3.3 Test functions
5.4 139 264 kbit/s interface
5.4.1 Electrical characteristics at A reference point
5.4.2 Framing at B reference point
5.4.3 Test functions
6 Synchronisation interface at 2048 kHz
7 Local operator interfaces
8 Power interfaces
9 Defect or failure conditions and consequent actions for the tributary interfaces
9.1 Defect or failure conditions
9.1.1 O reference point
9.1.2 N1 (or M1) reference point
9.2 Consequent actions
9.2.1 Analogue tributary interface
9.2.2 Data interfaces
9.2.3 G.703 64 kbit/s codirectional
9.2.4 G.704 2048 kbit/s
10 Defect or failure conditions and consequent actions for the aggregate
10.1 Defect or failure conditions
10.1.1 A reference point
10.1.2 B2 reference point
10.1.3 E2/E2 reference point (G.704 2048 kbit/s)
10.2 Consequent actions for defect or failure conditions related to the A reference point
10.3 Consequent actions for defect or failure conditions related to the B2 reference point
10.4 Consequent actions for defect or failure conditions related to the E2/E2 reference point
11 Defect or failure conditions and consequent actions for the core of the equipment
11.1 Defect or failure conditions
11.1.1 Failure of power supply
11.1.2 Failure of a connection
11.1.3 Loss of synchronisation signal(s)
11.2 Consequent actions at the O2 or A1 or E1/E1 or L2 or N2 reference points
11.2.1 2048 kbit/s, 8448 kbit/s, 34 368 kbit/s or 139 264 kbit/s interfaces
11.2.2 Other tributary interfaces
12 Performance monitoring
13 Performance of the equipment
13.1 Jitter
13.1.1 139 264 kbit/s aggregate
13.1.2 34 368 kbit/s aggregate
13.1.3 8448 kbit/s aggregate
13.1.4 2048 kbit/s aggregate and tributary
13.1.5 G.703 64 kbit/s tributary
13.2 Transfer delay
13.2.1 64 and n 64 kbit/s signals
13.2.2 CAS in TS16
13.2.3 Control signals
13.3 Slips
13.4 Service availability
13.5 Error performance
13.6 Bit sequence independance
14 Management