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1、ANSI INCITS 297-1997 (R2002) (formerly ANSI X3.297-1997) for Information Technology Fibre Channel Physical and Signalling Interface-2 (FC-PH-2) American National Standard Approval of an American National Standard requires review by ANSI that the requirements for due process, consensus, and other cri
2、teria for approval have been met by the standards developer. Consensus is established when, in the judgment of the ANSI Board of Standards Review, substantial agreement has been reached by directly and materially affected interests. Substantial agreement means much more than a simple majority, but n
3、ot necessarily unanimity. Consensus requires that all views and objections be considered, and that a concerted effort be made toward their resolution. The use of American National Standards is completely voluntary; their existence does not in any respect preclude anyone, whether he has approved the
4、standards or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not conforming to the standards. The American National Standards Institute does not develop standards and will in no circumstances give an interpretation of any American National Standard. Moreov
5、er, no person shall have the right or authority to issue an interpretation of an American National Standard in the name of the American National Standards Institute. Requests for interpretations should be addressed to the secretariat or sponsor whose name appears on the title page of this standard.
6、CAUTION NOTICE: This American National Standard may be revised or withdrawn at any time. The procedures of the American National Standards Institute require that action be taken periodically to reaffirm, revise, or withdraw this standard. Purchasers of American National Standards may receive current
7、 information on all standards by calling or writing the American National Standards Institute. CAUTION: The developers of this standard have requested that holders of patents that may be required for the implementation of the standard disclose such patents to the publisher. However, neither the deve
8、lopers nor the publisher have undertaken a patent search in order to identify which, if any, patents may apply to this standard. As of the date of publication of this standard and following calls for the identification of patents that may be required for the implementation of the standard, no such c
9、laims have been made. No further patent search is conducted by the developer or publisher in respect to any standard it processes. No representation is made or implied that licenses are not required to avoid infringement in the use of this standard. Published by American National Standards Institute
10、 11 West 42nd Street, New York, New York 10036 Copyright 1997 by Information Technology Industry Council (ITI) All rights reserved. No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise, without prior written permission of ITI, 1250 Eye Street NW,
11、Washington, DC 20005. Printed in the United States of America ANSI X3.297-1997 American National Standard for Information Technology Fibre Channel Physical and Signalling Interface-2 (FC-PH-2) Secretaria t Information Technology Industry Council Approved March 12, 1997 American National Standards In
12、stitute, Inc. Abstract This standard provides the enhancements to ANSI X3.230, Fibre Channel Physical and Signalling In- terface (FC-PH). Contents Page ii Foreword. xiii Introductionxv 1 Scope1 2 Normative references .1 2.1Approved references 1 2.2References under development1 3 Definitions and conv
13、entions2 3.1Definitions.2 3.2Editorial conventions.3 3.3Abbreviations, acronyms, and symbols 3 3.3.1Data rate abbreviations.3 3.3.2Synonyms.3 3.3.3Acronyms and other abbreviations .3 3.3.4Symbols3 4 Structure and concepts.4 4.6Communication models 5 4.6.1Hunt Group .5 4.6.2Dedicated Simplex5 4.6.3Fr
14、actional bandwidth.5 5 FC-0 functional characteristics .6 5.1General characteristics.6 5.7FC-0 nomenclature.6 5.8FC-0 technology options.6 6 Optical fibre interface specification.9 6.1SM data links 9 6.2SW laser data links with OFC.10 6.2.4SW laser data links without OFC10 6.3LED data links.13 7 Ele
15、ctrical cable interface specification14 7.1Electrical ECL data links.14 8 Optical fibre cable plant specification .15 8.1SM cable plant specification .15 8.2MM 62,5 m cable plant specification.15 8.3MM 50 m cable plant specification15 9 Electrical cable plant specification16 10 Optical interface con
16、nector specification 16 11 FC-1 8B/10B transmission code.17 11.4FC-PH-2 ordered sets.17 NOTE The clauses, subclauses, tables, and figures in this standard are numbered to match or enhance (add on to) those of FC-PH (ANSI X3.130). -,-,- iii Page 12 FC-1 receiver and transmitter description 19 13 Loop
17、back mode 19 14 Diagnostic mode 19 15 Transmitter safety 19 16 Ordered sets 19 17 Frame formats 19 18 Frame_Header. 20 18.1Introduction 20 18.1.1Terms. 20 18.1.2Applicability 20 18.2Class Specific Control field 20 18.2.1Class 1 . 20 18.2.2Class 2 . 20 18.2.3Class 3 . 20 18.2.4Class 4 . 20 18.3Addres
18、s identifiers 21 18.4Data Structure (TYPE) . 21 18.5Frame Control (F_CTL) 22 19 Optional headers 26 20 Data frames and responses. 27 20.2Data frames 27 20.3Link_Control. 28 20.3.3Reject (P_RJT, F_RJT) 29 20.5ACK generation assistance 32 20.5.1N_Port Login . 32 20.5.2Terms. 32 20.5.3Applicability 32
19、20.5.4F_CTL bits 33 20.5.5Login rules 33 20.5.6ACK_Form errors. 33 21 Link Services 34 21.1Introduction 34 21.2Basic Link Service commands . 34 21.3Extended Link Services 34 21.4Extended Link Service requests. 36 21.5Extended Link Service replies 36 21.5.2LS_RJT Reason Codes summary 36 21.6FC-4 Link
20、 Service. 37 21.7Basic Link Service summary 37 21.9Process Extended link services . 38 21.10PRLI/PRLO command codes. 38 21.11Process Login 38 21.11.1PRLI/PRLO relationships . 43 21.11.2Process Login, mode of operation . 44 21.11.3Process Login, protocol 45 21.12Process Logout 45 21.12.1PRLO operatio
21、n . 49 21.13State Change Notification 49 -,-,- Page iv 21.13.1SCN issued by an F_Port .49 21.13.2SCN issued by an N_Port.50 21.13.3SCN initiative 50 21.13.4Interest registration.50 21.14Test Process Login State51 21.15Alias Extended link services .54 21.16Fabric Link Services for Alias .54 21.16.1Ge
22、t Alias_ID (GAID) .54 21.16.2Fabric Activate Alias_ID (FACT).55 21.16.3Fabric Deactivate Alias_ID (FDACT)55 21.17N_Port Link Services for Alias 56 21.17.1N_Port Activate Alias_ID (NACT) .56 21.17.2N_Port Deactivate Alias_ID (NDACT) 57 21.18Class 4 Extended Link Services .58 21.18.1Quality of Service
23、 Request (QoSR)58 21.18.2Read VC status (RVCS) .61 21.18.3Link Service Reject (LS_RJT).61 21.19Enhanced Login/Logout Link Service .62 21.19.1Discover N_Port/F_Port Parameters (PDISC/FDISC)62 21.19.2Discover Address (ADISC) .63 21.19.3Third Party Process Logout (TPRLO)63 22 Classes of Service65 22.5C
24、lass 465 23 Login and Service Parameters .66 23.3Fabric Login66 23.3.3SOF delimiters (FC-PH section revised).66 23.4N_Port Login.66 23.4.2Explicit N_Port Login 66 23.6N_Port Service parameters 67 23.6.1N_Port Common Service parameters.67 23.6.2N_Port Common Service parameters Fabric Login.68 23.6.3N
25、_Port Common Service parameters N_Port Login69 23.6.6N_Port Class Service parameters 71 23.6.7N_Port Class Service parameters Fabric Login.71 23.6.8N_Port Class Service parameters N_Port Login .72 23.6.9Vendor Version Level .75 23.7F_Port Service parameters.75 23.7.1F_Port Common Service parameters
26、.75 23.7.4F_Port Class Service parameters.76 24 Exchange, Sequence, and sequence count management.78 25 Association Header management and usage.78 26 Flow control management 79 26.5Buffer-to-buffer flow control 79 26.5.10Alternate buffer-to-buffer Credit management79 26.5.11Alternate BB_Credit manag
27、ement rules summary .79 27 Segmentation and reassembly .80 -,-,- v Page 28 Connection management. 80 29 Error detection and recovery 81 29.2Timer enhancements . 81 29.2.6Terms. 81 29.2.7Applicability 81 29.2.8Login 81 29.2.9Value 81 29.2.10Stacked Connect Request . 82 29.2.11Rules 82 30 Hunt Group.
28、83 30.1Introduction 83 30.2Function . 83 30.3Communication Model . 83 30.4Applicability 83 30.4.1Classes 83 30.4.2Class 4 addressing. 83 30.5Formation. 83 30.5.1Registration/deregistration . 84 30.5.2Inquiry 84 30.5.3Hunt Group ID removal 85 30.6Destination N_Port Login . 85 30.7Addressing Protocol.
29、 86 30.7.1Originator . 86 30.7.2Responder 86 30.7.3Address resolution . 86 30.7.4Class 86 30.7.5Class 4 . 87 30.8Resource management 87 30.8.1HG_ID use . 87 30.8.2N_Port ID use. 87 30.9Rotary Group 88 30.9.1Introduction 88 30.9.2Function . 88 31 Multicast. 90 31.1Introduction 90 31.2Registration and
30、 Deregistration 90 31.3Multicast routing. 90 31.4Multicast rules 90 31.5Broadcast. 91 31.6Moviecast. 91 31.7Other 91 32 Aliases 92 32.1Introduction 92 32.2Alias Server 92 32.3Alias Service protocol. 92 32.4Alias routing . 92 32.5Function flow 92 -,-,- Page vi 32.6IPA considerations93 32.6.1Hunt Grou
31、ps .93 32.6.2Multicast Groups.93 32.6.3Broadcast93 33 Dedicated Simplex94 33.1Introduction.94 33.2Terms94 33.3Communications Model 94 33.4Applicability.95 33.4.1Permitted functions.95 33.4.2Restricted functions 96 33.4.3Topology.96 33.5Requirements .96 33.5.1Connection_Initiator N_Port96 33.5.2Conne
32、ction_Recipient N_Port 96 33.5.3Fabric96 33.6Connection management96 33.7Login.96 33.7.1N_Port Class Service Parameters96 33.7.2F_Port Class Service Parameters 96 33.8Delimiters97 33.8.1Start of Frame.97 33.8.2End of Frame97 33.9Connections98 33.9.1Establishment .98 33.9.2Removal98 33.10Rules.98 33.
33、10.1Restriction.98 33.10.2Connection_Initiator N_Port98 33.10.3Connection_Recipient N_Port 99 33.10.4Fabric99 33.10.5F_Port.100 33.10.6ACK processing and routing.100 33.11Error recovery.100 33.11.1Connection_Initiator100 33.11.2Connection_Recipient.100 34 Class 4 Fractional101 34.1Introduction.101 3
34、4.1.1Topology.101 34.2Communication model101 34.2.1In-order delivery102 34.2.2Guaranteed delivery .102 34.2.3Fractional bandwidth management.102 34.2.4Class 4 circuit .102 34.3Class 4 circuit Deactivation, removal contention and error recovery108 34.4Ordered Sets for Class 4 110 34.4.1Start Of Frame
35、 (SOF) .110 34.4.2End_Of_Frame (EOF) 110 vii Page 34.4.3Virtual Circuit Ready (VC_RDY) 111 34.5Primitive Sequences 111 34.5.1LR Transmit state (LR1). 111 34.5.2LR Receive state (LR2) 111 34.5.3LRR Receive state (LR3) . 112 34.5.4NOS Receive state (LF1). 112 34.5.5NOS Transmit state (LF2) 112 34.5.6O
36、LS Transmit state (OL1) 112 34.5.7OLS Receive state (OL2). 112 34.5.8Wait for OLS state (OL3) 113 34.6Data frames and responses. 113 34.6.1Class 4 frame size 113 34.6.2QoSF well-known address identifier. 113 34.6.3Class 4 CS_CTL field usage. 113 34.6.4Frame control (F_CTL). 113 34.6.5Data frames 113
37、 34.6.6Link_Continue function. 114 34.6.7Link_Response frames 115 34.6.8Link Credit Reset (LCR) Link_Control command. 115 34.6.9END Link_Control command 115 34.7Login and Service Parameters. 116 34.8Link Services 116 34.8.1Basic Link Services 116 34.8.2Extended Link Services 116 34.9Class 4 procedur
38、es 116 34.9.1Class 4 login. 117 34.9.2Class 4 rules summary 117 34.9.3Class 4 intermix 118 34.9.4Class 4 flow control 118 34.10Quality of Service. 119 35 Camp-On 121 35.1Introduction 121 35.2FC-2 mechanisms 121 35.3Applicability 121 35.4Communications Model 121 35.5Requirements. 121 35.5.1Connection
39、 Initiator 121 35.5.2Connection Recipient. 121 35.5.3Fabric . 121 35.6Login 122 35.6.1F_Port Class Service Parameters 122 35.7Camp-On Invoked 122 35.8Rules 122 35.8.1Connection Initiator 122 35.8.2Connection Recipient. 123 35.8.3Fabric . 123 35.8.4Multiple requests 123 36 Stacked Connect Request . 1
40、24 36.1Introduction 124 -,-,- Page viii 36.2FC-2 mechanisms.124 36.3Applicability.124 36.4Communications Model 124 36.5Requirements .124 36.5.1Connection Initiator.124 36.5.2Connection Recipient124 36.5.3Fabric124 36.6Login.124 36.7SCR Invoked.124 36.8Timer.125 36.8.1CR_TOV .125 36.8.2E_D_TOV .125 3
41、6.9Rules.125 36.9.1Connection Initiator.125 36.9.2Connection Recipient125 36.9.3Fabric125 36.9.4Multiple requests.125 37 Buffered Class 1 Service 126 37.1Fabric Login126 37.2Applicability.126 37.2.1Topology.126 37.3Fabric guaranteed bandwidth .126 37.4Delimiters126 37.5CS_CTL bit .126 37.6Rules.126
42、37.6.1Connection_Initiator N_Port126 37.6.2Connection_Recipient N_Port 127 37.6.3F_Port.127 37.6.4BB_Credit rules for Buffered Class 1128 37.6.5Buffered Class 1 frame size128 37.6.6Intermix.128 38 Data compression.129 38.1Introduction.129 38.2N_Port Login.129 38.2.1Initiator capability129 38.2.2Reci
43、pient capability.129 38.2.3F_CTL.129 38.3Applicability.129 38.4Decompression.129 38.5Algorithm overview .129 38.6Encoder and decoder operation .130 38.7Derivation of ALDC encoding structure 130 38.8ALDC History_Buffer sizes .131 38.9Rules.132 38.10Formal ALDC Format definition 133 38.10.1ALDC_1 Algo
44、rithm Formal definition (512 byte history).133 38.10.2ALDC_2 Algorithm Formal definition (1024 byte history).134 38.10.3ALDC_4 Algorithm Formal definition (2048 byte history).134 ix Page Tables 2 Optical Media Signal Interface Overview 7 4 Optical Cable Plant Overview . 8 6 FC-0 physical links for s
45、ingle-mode classes . 9 9B FC-0 physical links for shortwave multimode classes without OFC 10 9C FC-0 physical links for longwave multimode classes 13 12 Single-mode cable plant 15 16 50-mm cable plant . 15 24 FC-PH Delimiters 17 25 FC-PH Primitive Signals 18 33A CS_CTL field Class 1 . 20 33B CS_CTL
46、field Class 4 . 20 36 Type codes FC-4 (Device_Data and Link_Data) . 21 33 Well-known Address identifiers . 21 36A ACK_Form 22 36B Data compression status . 23 37 F_CTL Enhancements to FC-PH definitions . 24 47 Frame Formats 27 48 Data frame delimiters 28 49 Link_Control codes . 28 50 Link_Control fr
47、ame delimiters . 29 55 P_RJT or F_RJT Reason Codes . 29 55A N_Port Class Service Parameters ACK support 32 57 Basic Link Service commands 34 61 Extended Link Service Commands . 35 91 LS_RJT reason code explanation . 36 61A LS_Command codes . 38 113 Extended link service information units . 38 114 PR
48、LI payload . 40 115 PRLI service parameter page format 41 116 PRLI accept payload . 41 117 PRLI accept service parameter response page format . 42 118 PRLI accept response code 43 119 PRLO payload . 46 120 PRLO logout parameter page format 47 121 PRLO accept payload . 47 122 PRLO accept logout param
49、eter response page format . 48 123 PRLO accept response code 48 124 SCN payload . 51 125 SCN affected N_Port ID page format 51 126 TPLS payload 51 127 TPLS image pair ID page format . 52 128 TPLS accept payload 52 129 TPLS response page format . 52 130 TPLS accept response code . 53 131Get Alias_ID Payload 54 132Get Alias_ID Accept Payl