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• CCITT Rec. I.430 (11/1988) - BASIC USER-NETWORK INTERFACE - LAYER 1 SPECIFICATION
• 1 General
• 2 Service characteristics
  • 2.1 Services required from the physical medium
  • 2.2 Service provided to layer 2
  • 2.3 Primitives between layer 1 and the other entities
• 3 Modes of operation
  • 3.1 Point-to-point operation
  • 3.2 Point-to-multipoint operation
• 4 Types of wiring configuration
  • 4.1 Point-to-point configuration
  • 4.2 Point-to-multipoint configuration
  • 4.3 Wiring polarity integrity
  • 4.4 Location of the interfaces
  • 4.5 NT and TE associated wiring
• 5 Functional characteristics
  • 5.1 Interface functions
  • 5.2 Interchange circuits
  • 5.3 Connected/disconnected indication
  • 5.4 Frame structure
  • 5.5 Line code
  • 5.6 Timing considerations
• 6 Interface procedures
  • 6.1 D-channel access procedure
  • 6.2 Activation/deactivation
  • 6.3 Frame alignment procedures
  • 6.4 Idle channel code on the B-channels
• 7 Layer 1 maintenance
• 8 Electrical characteristics
  • 8.1 Bit rate
  • 8.2 Jitter and bit phase relationship between TE input and output
  • 8.3 NT jitter characteristics
  • 8.4 Termination of the line
  • 8.5 Transmitter output characteristics
  • 8.6 Receiver input characteristics
  • 8.7 Isolation from external voltages
  • 8.8 Interconnecting media characteristics
  • 8.9 Standard ISDN basic access TE cord
• 9 Power feeding
  • 9.1 Reference configuration
  • 9.2 Power available from NT
  • 9.3 Power available at a TE
  • 9.4 Current transient
  • 9.5 Power source 1 consumption
  • 9.6 Galvanic isolation
• 10 Interface connector contact assignments
• ANNEX A (to Recommendation I.430) Wiring configurations and round trip delay considerations used as a basis for ...
  • A.1 Introduction
  • A.2 Wiring configurations
• ANNEX B (to Recommendation I.430) SDL representation of a possible implementation of the D-Channel access
• ANNEX C (to Recommendation I.430) (see Table 5/I.430)
• ANNEX D (to Recommendation I.430) Test configuration
• ANNEX E (to Recommendation I.430) Vocabulary of terms used in connection with Recommendations I.430, I.431, G.96...
  • E.l General
  • E.2 Digital transmission
  • E.3 Signalling
  • E.4 Activation/deactivation
  • E.5 Loopbacks
  • E.6 local line distribution network
  • E.7 Alphabetical list of terms contained in this Annex
  • E.8 Ilustration of the general aspects of the terminology
  • E.9 Clarification of the V reference point, V interface, and reference point concept
• APPENDIX I (to Recommendation I.430) Test loopbacks defined for the basic user-network interface
  • I.1 Introduction
  • I.2 Loopback mechanism definitions
  • I.3 Test loopback reference configuration
  • I.4 Test loopback characteristics