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IEEE Standard for Ethernet

SECTION FIVE

This section includes Clause 56 through Clause 77 and Annex 57A through Annex 76A.

Contents

56. Introduction to Ethernet for subscriber access networks ......................................................................35

56.1 Overview..................................................................................................................................... 35

56.1.1 Summary of P2P sublayers ................................................................................................. 39

56.1.2 Summary of P2MP sublayers ............................................................................................. 39

56.1.2.1 Multipoint MAC Control Protocol (MPCP) ............................................................. 39

56.1.2.2 Reconciliation Sublayer (RS) and media independent interfaces............................. 40

56.1.3 Physical Layer signaling systems ....................................................................................... 40

56.1.4 Management........................................................................................................................ 43

56.1.5 Unidirectional transmission ................................................................................................ 44

56.2 State diagrams............................................................................................................................. 45

56.3 Protocol implementation conformance statement (PICS) proforma........................................... 45

57. Operations, Administration, and Maintenance (OAM) ........................................................................ 46

57.1 Overview..................................................................................................................................... 46

57.1.1 Scope................................................................................................................................... 46

57.1.2 Summary of objectives and major concepts ....................................................................... 46

57.1.3 Summary of non-objectives ................................................................................................ 47

57.1.4 Positioning of OAM within the IEEE 802.3 architecture ................................................... 47

57.1.5 Compatibility considerations ..............................................................................................47

57.1.5.1 Application................................................................................................................ 47

57.1.5.2 Interoperability between OAM capable DTEs ......................................................... 47

57.1.5.3 MAC Control PAUSE .............................................................................................. 48

57.1.5.4 Interface to MAC Control client............................................................................... 48

57.1.5.5 Frame loss during OAM remote loopback ............................................................... 48

57.1.6 State diagram conventions .................................................................................................. 48

57.2 Functional specifications ............................................................................................................ 48

57.2.1 Interlayer service interfaces ................................................................................................ 48

57.2.2 Principles of operation ........................................................................................................ 49

57.2.3 Instances of the MAC data service interface ...................................................................... 49

57.2.4 Responsibilities of OAM client .......................................................................................... 49

57.2.5 OAM client interactions...................................................................................................... 50

57.2.5.1 OAMPDU.request..................................................................................................... 50

57.2.5.1.1 Function .......................................................................................................... 50

57.2.5.1.2 Semantics of the service primitive.................................................................. 50

57.2.5.1.3 When generated .............................................................................................. 50

57.2.5.1.4 Effect of receipt .............................................................................................. 50

57.2.5.2 OAMPDU.indication ................................................................................................ 50

57.2.5.2.1 Function .......................................................................................................... 50

57.2.5.2.2 Semantics of the service primitive.................................................................. 51

57.2.5.2.3 When generated .............................................................................................. 51

57.2.5.2.4 Effect of receipt .............................................................................................. 51

57.2.5.3 OAM_CTL.request ................................................................................................... 51

57.2.5.3.1 Function .......................................................................................................... 51

57.2.5.3.2 Semantics of the service primitive.................................................................. 51

57.2.5.3.3 When generated .............................................................................................. 52

57.2.5.3.4 Effect of receipt .............................................................................................. 52

57.2.5.4 OAM_CTL.indication............................................................................................... 52

57.2.5.4.1 Function .......................................................................................................... 52

57.2.5.4.2 Semantics of the service primitive.................................................................. 52

57.2.5.4.3 When generated .............................................................................................. 53

57.2.5.4.4 Effect of receipt .............................................................................................. 53

57.2.6 Instances of the OAM internal service interface ................................................................ 53

57.2.7 Internal block diagram ........................................................................................................ 53

57.2.8 OAM internal interactions .................................................................................................. 54

57.2.8.1 OAMI.request ........................................................................................................... 54

57.2.8.1.1 Function .......................................................................................................... 54

57.2.8.1.2 Semantics of the service primitive.................................................................. 54

57.2.8.1.3 When generated .............................................................................................. 54

57.2.8.1.4 Effect of receipt .............................................................................................. 54

57.2.8.2 OAMI.indication....................................................................................................... 54

57.2.8.2.1 Function .......................................................................................................... 54

57.2.8.2.2 Semantics of the service primitive.................................................................. 55

57.2.8.2.3 When generated .............................................................................................. 55

57.2.8.2.4 Effect of receipt .............................................................................................. 55

57.2.9 Modes.................................................................................................................................. 55

57.2.9.1 Active mode.............................................................................................................. 56

57.2.9.2 Passive mode............................................................................................................. 56

57.2.10 OAM events........................................................................................................................ 56

57.2.10.1 Critical link events .................................................................................................... 56

57.2.10.2 Link events................................................................................................................ 56

57.2.10.3 Local event procedure............................................................................................... 56

57.2.10.4 Remote event procedure ........................................................................................... 57

57.2.11 OAM remote loopback .....................................................................................................

.. 57

57.2.11.

1 Initiating OAM remote loopback.............................................................................. 57

57.2.11.2 During OAM remote loopback ................................................................................. 58

57.2.11.3 Exiting OAM remote loopback................................................................................. 58

57.2.11.4 Loss of OAMPDUs during OAM remote loopback ................................................. 58

57.2.11.5 Loss of frames during OAM remote loopback ......................................................... 59

57.2.11.6 Timing considerations for OAM remote loopback................................................... 59

57.2.12 Unidirectional OAM operation........................................................................................... 59

57.3 Detailed functions and state diagrams ........................................................................................ 59

57.3.1 State diagram variables....................................................................................................... 60

57.3.1.1 Constants................................................................................................................... 60

57.3.1.2 Variables ................................................................................................................... 60

57.3.1.3 Messages................................................................................................................... 62

57.3.1.4 Counters .................................................................................................................... 63

57.3.1.5 Timers ....................................................................................................................... 63

57.3.2 Control ................................................................................................................................ 64

57.3.2.1 OAM Discovery........................................................................................................ 64

57.3.2.1.1 FAULT state ................................................................................................... 65

57.3.2.1.2 ACTIVE_SEND_LOCAL state...................................................................... 65

57.3.2.1.3 PASSIVE_WAIT state ................................................................................... 65

57.3.2.1.4 SEND_LOCAL_REMOTE state.................................................................... 65

57.3.2.1.5 SEND_LOCAL_REMOTE_OK state ............................................................ 65

57.3.2.1.6 SEND_ANY state ........................................................................................... 65

57.3.2.1.7 Sending Discovery status to peer.................................................................... 65

57.3.2.2 Transmit .................................................................................................................... 66

57.3.2.2.1 RESET state.................................................................................................... 66

57.3.2.2.2 WAIT_FOR_TX state..................................................................................... 66

57.3.2.2.3 Expiration of pdu_timer.................................................................................. 67

57.3.2.2.4 Valid request to send an OAMPDU ............................................................... 67

57.3.2.2.5 TX_OAMPDU state ....................................................................................... 67

57.3.2.2.6 Transmit rules ................................................................................................. 67

57.3.2.3 Receive rules............................................................................................................. 67

57.3.3 Multiplexer.......................................................................................................................... 68

57.3.3.1 WAIT_FOR_TX state............................................................................................... 68

57.3.3.1.1 Valid request to send an OAMPDU ............................................................... 68

57.3.3.1.2 Valid request to forward or loopback frame................................................... 68

57.3.3.2 TX_FRAME state ..................................................................................................... 69

57.3.4 Parser .................................................................................................................................. 69

57.3.4.1 Reception of OAMPDU............................................................................................ 69

57.3.4.2 Reception of non-OAMPDUs................................................................................... 70

57.3.4.2.1 Reception of non-OAMPDU in FWD mode .................................................. 70

57.3.4.2.2 Reception of non-OAMPDU in LB mode ...................................................... 70

57.3.4.2.3 Reception of non-OAMPDU in DISCARD mode.......................................... 70

57.4 OAMPDUs.................................................................................................................................. 70

57.4.1 Ordering and representation of octets................................................................................. 70

57.4.2 Structure.............................................................................................................................. 71

57.4.2.1 Flags field ................................................................................................................. 71

57.4.2.2 Code field.................................................................................................................. 72

57.4.3 OAMPDU descriptions.......................................................................................................72

57.4.3.1 Information OAMPDU ............................................................................................. 73

57.4.3.2 Event Notification OAMPDU .................................................................................. 73

57.4.3.3 Variable Request OAMPDU .................................................................................... 74

57.4.3.4 Variable Response OAMPDU .................................................................................. 75

57.4.3.5 Loopback Control OAMPDU................................................................................... 75

57.4.3.6 Organization Specific OAMPDU ............................................................................. 76

57.5 OAM TLVs................................................................................................................................. 76

57.5.1 Parsing ................................................................................................................................ 76

57.5.2 Information TLVs ............................................................................................................... 77

57.5.2.1 Local Information TLV ............................................................................................ 77

57.5.2.2 Remote Information TLV ......................................................................................... 80

57.5.2.3 Organization Specific Information TLV................................................................... 80

57.5.3 Link Event TLVs ................................................................................................................ 80

57.5.3.1 Errored Symbol Period Event TLV .......................................................................... 81

57.5.3.2 Errored Frame Event TLV........................................................................................ 82

57.5.3.3 Errored Frame Period Event TLV ............................................................................ 82

57.5.3.4 Errored Frame Seconds Summary Event TLV ......................................................... 83

57.5.3.5 Organization Specific Event TLVs........................................................................... 84

57.6 Variables ..................................................................................................................................... 85

57.6.1 Variable Descriptors ........................................................................................................... 85

57.6.2 Variable Containers ............................................................................................................ 85

57.6.2.1 Format of Variable Containers when returning attributes ........................................ 86

57.6.2.2 Format of Variable Containers when returning packages and objects ..................... 86

57.6.3 Parsing ................................................................................................................................ 87

57.6.4 Variable Branch/Leaf examples.......................................................................................... 88

57.6.5 Variable Indications............................................................................................................ 88

57.7 Protocol implementation conformance statement (PICS) proforma for Clause 57,

Operations, Administration, and Maintenance (OAM) .............................................................. 90

57.7.1 Introduction......................................................................................................................... 90

57.7.2 Identification....................................................................................................................... 90

57.7.2.1 Implementation identification.................................................................................. 90

57.7.2.2 Protocol summary .................................................................................................... 90

57.7.2.3 Major capabilities/options ........................................................................................ 91

57.7.3 PICS proforma tables for Operation, Administration, and Maintenance (OAM) .............. 91

57.7.3.1 Functional specifications .......................................................................................... 91

57.7.3.2 Event Notification Generation and Reception .......................................................... 92

57.7.3.3 OAMPDUs................................................................................................................ 93

57.7.3.4 Local Information TLVs........................................................................................... 94

57.7.3.5 Remote Information TLVs........................................................................................ 94

57.7.3.6 Organization Specific Information TLVs ................................................................. 95

57.7.4 Link Event TLVs ................................................................................................................ 95

57.7.5 Variables Descriptors and Containers................................................................................. 96

58. Physical Medium Dependent (PMD) sublayer and medium, type 100BASE-LX10 (Long

Wavelength) and 100BASE-BX10 (BiDirectional Long Wavelength)................................................ 97

58.1 Overview..................................................................................................................................... 97

58.1.1 Goals and objectives ........................................................................................................... 97

58.1.2 Positioning of this PMD set within the IEEE 802.3 architecture ....................................... 98

58.1.3 Terminology and conventions ............................................................................................ 98

58.1.4 Physical Medium Dependent (PMD) sublayer service interface........................................ 98

58.1.4.1 Delay constraints.......................................................................................................99

58.1.4.2 PMD_UNITDATA.request....................................................................................... 99

58.1.4.3 PMD_UNITDATA.indication .................................................................................. 99

58.1.4.4 PMD_SIGNAL.indication ........................................................................................ 99

58.2 PMD functional specifications.................................................................................................... 99

58.2.1 PMD block diagram.......................................................................................................... 100

58.2.2 PMD transmit function .....................................................................................................100

58.2.3 PMD receive function....................................................................................................... 100

58.2.4 100BASE-LX10 and 100BASE-BX10 signal detect function ......................................... 101

58.3 PMD to MDI optical specifications for 100BASE-LX10 ........................................................ 101

58.3.1 Transmitter optical specifications..................................................................................... 101

58.3.2 Receiver optical specifications ......................................................................................... 102

58.4 PMD to MDI optical specifications for 100BASE-BX10 ........................................................ 103

58.4.1 Transmit optical specifications ......................................................................................... 103

58.4.2 Receiver optical specifications ......................................................................................... 104

58.5 Illustrative 100BASE-LX10 and 100BASE-BX10 channels and penalties (informative) ....... 105

58.6 Jitter at TP1 and TP4 for 100BASE-LX10 and 100BASE-BX10 (informative)...................... 106

58.7 Optical measurement requirements .......................................................................................... 106

58.7.1 Test patterns...................................................................................................................... 107

58.7.1.1 100BASE-X optical frame-based test pattern......................................................... 107

58.7.2 Wavelength and spectral width measurements ................................................................. 109

58.7.3 Optical power measurements............................................................................................ 109

58.7.4 Extinction ratio measurements.......................................................................................... 109

58.7.5 Optical modulation amplitude (OMA) measurements (informative) ............................... 110

58.7.6 OMA relationship to extinction ratio and power measurements (informative)................ 110

58.7.7 Relative intensity noise optical modulation amplitude (RINxOMA) measuring

procedure .......................................................................................................................... 111

58.7.7.1 General test description .......................................................................................... 111

58.7.7.2 Component descriptions ......................................................................................... 112

58.7.7.3 Test procedure......................................................................................................... 112

58.7.8 Transmitter optical waveform (transmit eye) ................................................................... 113

58.7.9 Transmitter and dispersion penalty (TDP) measurement ................................................. 114

58.7.9.1 Reference transmitter requirements ........................................................................ 115

58.7.9.2 Channel requirements ............................................................................................. 115

58.7.9.3 Reference receiver requirements ............................................................................ 116

58.7.9.4 Test procedure......................................................................................................... 117

58.7.9.5 Approximate measures of TDP (informative) ........................................................ 117

58.7.10 Receiver sensitivity measurements................................................................................... 118

58.7.11 Stressed receiver conformance test................................................................................... 118

58.7.11.1 Stressed receiver conformance test block diagram................................................. 119

58.7.11.2 Stressed receiver conformance test signal characteristics and calibration ............. 120

58.7.11.3 Stressed receiver conformance test procedure........................................................ 122

58.7.11.4 Sinusoidal jitter for receiver conformance test ....................................................... 122

58.7.12 Jitter measurements (informative) .................................................................................... 123

58.8 Environmental, safety, and labeling .........................................................................................1

58.8.1 General safety ................................................................................................................... 125

58.8.2 Laser safety ....................................................................................................................... 125

58.8.3 Installation ........................................................................................................................ 125

58.8.4 Environment...................................................................................................................... 125

58.8.5 PMD labeling requirements .............................................................................................. 125

58.9 Characteristics of the fiber optic cabling ..................................................................................126

58.9.1 Fiber optic cabling model .................................................................................................126

58.9.2 Optical fiber and cable...................................................................................................... 126

58.9.3 Optical fiber connection.................................................................................................... 127

58.9.4 Medium Dependent Interface (MDI)................................................................................ 127

58.10 Protocol implementation conformance statement (PICS) proforma for Clause 58, Physical

Medium Dependent (PMD) sublayer and medium, type 100BASE-LX10 (Long

Wavelength) and 100BASE-BX10 (BiDirectional Long

Wavelength).............................................................................................................................. 128

58.10.1 Introduction....................................................................................................................... 128

58.10.2 Identification..................................................................................................................... 128

58.10.2.1 Implementation identification ................................................................................ 128

58.10.2.2 Protocol summary ................................................................................................... 128

58.10.2.3 Major capabilities/options....................................................................................... 129

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