Local Area Network Concepts and Products: Adapters, Hubs and ATM
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SG24-4754-00 Local Area Network Concepts and Products: Adapters, Hubs and ATM May 1996 IBM International Technical Support Organization SG24-4754-00 Local Area Network Concepts and Products: Adapters, Hubs and ATM May 1996 Take Note! Before using this information and the product it supports, be sure to read the general information in Appendix E, “Special Notices” on page 291. First Edition (May 1996) This edition applies to the most recent IBM LAN products and LAN architectures. Comments may be addressed to: IBM Corporation, International Technical Support Organization Dept. HZ8 Building 678 P.O. Box 12195 Research Triangle Park, NC 27709-2195 When you send information to IBM, you grant IBM a non-exclusive right to use or distribute the information in any way it believes appropriate without incurring any obligation to you. Copyright International Business Machines Corporation 1996. All rights reserved. Note to U.S. Government Users — Documentation related to restricted rights — Use, duplication or disclosure is subject to restrictions set forth in GSA ADP Schedule Contract with IBM Corp. Contents Preface . ix How This Redbook Is Organized ........................... ix The Team That Wrote This Redbook ......................... x Comments Welcome . xi Chapter 1. LAN Adapters and Support ....................... 1 1.1 OSI Reference Model and LAN Components ................. 1 1.2 Shared RAM Adapters ............................... 2 1.3 Bus Master/DMA Adapters ............................ 3 1.4 Bus Architectures . 4 1.4.1 Micro Channel Bus .............................. 4 1.4.2 ISA Bus . 5 1.4.3 EISA Bus . 5 1.4.4 PCI Bus . 5 1.4.5 VL Bus (Local Bus) .............................. 5 1.4.6 PCMCIA LAN Adapter ............................ 6 1.5 Token-Ring Adapters for the PC ......................... 6 1.5.1 IBM Auto 16/4 Token-Ring Adapters .................... 6 1.5.2 IBM LANStreamer Adapters ......................... 7 1.5.3 IBM Token-Ring PCMCIA Adapters .................... 11 1.5.4 Token-Ring Adapters Summary ....................... 12 1.6 Ethernet Adapters for the PC ........................... 12 1.6.1 IBM MCA Ethernet Adapters ........................ 12 1.6.2 IBM ISA Ethernet Adapters ......................... 13 1.6.3 IBM ISA Etherjet Adapters .......................... 14 1.6.4 IBM PCI Ethernet Adapters ......................... 14 1.6.5 IBM Ethernet Quad-BT/B2 PeerMaster Server Adapters ........ 16 1.6.6 IBM PCMCIA Ethernet Adapters ...................... 16 1.6.7 Ethernet Adapters Summary ........................ 17 1.6.8 IBM TURBOWAYS ATM Adapters ..................... 17 1.7 IBM FDDI Adapters for the PC .......................... 18 1.7.1 IBM Wireless LAN Adapters ......................... 22 1.8 LAN Support Programs and Adapter Interfaces ................ 23 1.8.1 NDIS Interface . 23 1.8.2 Open Data Link Interface (ODI) ....................... 24 1.8.3 Operating System and Driver Environments ............... 25 1.8.4 OS/2 Transport . 27 1.8.5 IBM Network Transport Services/2 (NTS/2) ................ 29 1.8.6 DOS Transport . 32 1.8.7 IBM Local Area Network Support Program (LSP) Version 1.3.4 .... 34 1.8.8 IBM LAN Client ................................ 36 1.8.9 Mixed IBM and Novell Requester Workstation Support ......... 38 1.8.10 Memory Overview . 41 1.8.11 LAN Support Program (LSP) Memory Consumption .......... 42 1.8.12 Memory Considerations . 45 1.9 LAN Adapters for the RISC System/6000 .................... 46 1.10 3172 LAN Adapters ................................ 49 1.11 3174 LAN Adapters ................................ 51 1.12 3745 LAN Adapters ................................ 53 1.13 AS/400 LAN Adapters .............................. 54 1.13.1 6611 Communication Adapter Features ................. 58 Copyright IBM Corp. 1996 iii Chapter 2. Hubs . 63 2.1 What Are Hubs? ................................... 63 2.2 IBM′s Workgroup Hubs .............................. 64 2.3 IBM Nways 8222 Ethernet Workgroup Hub ................... 67 2.3.1 Technical Description . 67 2.3.2 Configuration . 70 2.3.3 Cabling Examples and Specifications ................... 71 2.3.4 Management . 74 2.3.5 Positioning . 75 2.4 IBM 8224 Ethernet Stackable Hub ........................ 76 2.4.1 Technical Description . 76 2.4.2 Configuration . 80 2.4.3 Cabling Examples and Specifications ................... 80 2.4.4 Management . 92 2.4.5 Positioning . 97 2.5 IBM 8226 Token-Ring RJ-45 Connection .................... 99 2.5.1 Technical Description . 99 2.5.2 Cabling Requirements . 100 2.5.3 8226 Positioning . 100 2.6 IBM 8228 Multistation Access Unit (MAU) .................. 101 2.6.1 Technical Description . 101 2.6.2 Positioning . 102 2.6.3 Functions ................................... 102 2.7 IBM 8230 Token-Ring Controlled Access Unit ................ 102 2.7.1 Technical Description . 103 2.7.2 Configuration . 121 2.7.3 Cabling Requirements and Limitations ................. 124 2.7.4 Management . 127 2.7.5 Positioning . 129 2.8 IBM Nways 8238 Token-Ring Stackable Hub ................. 131 2.8.1 Technical Description . 131 2.9 IBM 8240 FDDI Concentrator .......................... 136 2.9.1 Hardware Description . 136 2.9.2 Ordering Consideration . 139 2.9.3 Installation Consideration . 140 2.9.4 Problem Determination . 141 2.9.5 Maintenance Facility (MF) ......................... 142 2.10 IBM 8244 FDDI Workgroup Concentrator .................. 145 2.10.1 FDDI Concepts . 145 2.10.2 Technical Description . 146 2.10.3 Configuration . 148 2.10.4 Cabling Examples and Specifications ................. 150 2.10.5 Management . 156 2.10.6 Positioning . 161 2.11 IBM Nways 8260 Multiprotocol Intelligent Switching Hub ......... 161 2.11.1 8260 Model 017 and Model 010 ..................... 164 2.11.2 8260 Backplane . 164 2.11.3 8260 Payload Area ............................. 171 2.11.4 8260 Fault Tolerant Controller Module ................. 171 2.11.5 8260 Intelligent Power Management Subsystem ........... 174 2.11.6 8260 Intelligent Cooling Subsystem ................... 175 2.11.7 8260 Distributed Management ...................... 176 2.11.8 8260 Modules and Daughter Cards ................... 184 2.12 IBM Workgroup Hubs at a Glance ...................... 196 2.12.1 8222 Models 008 and 016 ......................... 196 iv LAN Concepts and Products: Adapters, Hubs and ATM 2.12.2 8224 Models 001 and 002 ......................... 197 2.12.3 8226 Model 001 ............................... 198 2.12.4 8228 Model 001 ............................... 198 2.12.5 8230 Models 001, 002, 003, and 013 ................... 199 2.12.6 8244 Models 006 and 012 ......................... 201 2.12.7 8282 Model 001 ............................... 202 Chapter 3. Switches . 205 3.1 IBM 8271 EtherStreamer Switch ........................ 205 3.1.1 Full-Duplex Ethernet . 206 3.1.2 Compatibility . 207 3.1.3 IBM EtherStreamer Switch Release 1.1 Microcode .......... 207 3.2 IBM 8272 LANStreamer Switch ......................... 212 3.2.1 Compatibility . 218 3.2.2 Full-Duplex Token-Ring Operation .................... 219 3.3 IBM Ethernet Quad PeerMaster Server Adapters .............. 222 3.4 The IBM 2220 Nways BroadBand Switch ................... 223 3.4.1 General Node Description and Models ................. 223 Chapter 4. Wireless . 231 4.1 IBM Wireless Products ............................. 231 4.1.1 IBM Wireless Products ........................... 231 4.1.2 PC Wireless LAN Product Overview ................... 233 4.1.3 IBM Wireless LAN Entry .......................... 233 4.1.4 IBM Wireless LAN .............................. 235 4.1.5 IBM Wireless LAN Entry and IBM Wireless LAN, Similar but Different . 236 4.2 Wireless LAN Performance ........................... 238 4.2.1 Path Loss . 238 4.2.2 Multipath Fading . 240 4.2.3 Interference . 241 4.2.4 Delay Spread ................................. 243 4.2.5 Cell Arrangement . 243 4.2.6 Trouble Shooting List ............................ 244 Chapter 5. ATM Products . 247 5.1 IBM 8260 ATM Subsystem Mode of Operations ............... 247 5.1.1 Classical IP . 247 5.1.2 LAN Emulation . 248 5.1.3 Native ATM . 249 5.2 ATM Subsystem Traffic Management ..................... 249 5.3 The IBM 8260 Multiprotocol Intelligent Switching Hub ........... 250 5.3.1 The 8260 ATM Backplane ......................... 251 5.3.2 The ATM Switch/Control Point Module ................. 252 5.3.3 4-port 100 Mbps ATM Concentration Modules ............. 253 5.3.4 Nways 8260 ATM 155 Mbps Concentration Module .......... 254 5.3.5 The Nways 8260 TR/Ethernet ATM LAN Bridge Module ....... 254 5.3.6 8260 UTOPIA 1 ATM Carrier Modules .................. 256 5.4 Systems Management . 256 5.4.1 Network Reliability . 256 5.4.2 ATM Power with LAN Simplicity ..................... 257 5.4.3 Multinetworking with ATM ......................... 257 5.4.4 Module Management . 257 5.4.5 ATM Network Management ........................ 258 5.5 Requirements . 259 Contents v 5.5.1 Hardware Requirements . 259 5.5.2 Electronic Customer Support ....................... 259 5.5.3 Software Requirements . 260 5.5.4 8260 MIB Installation ............................ 260 5.6 IBM 8281 ATM LAN Bridge ........................... 260 5.6.1 Hardware Requirements . 262 5.6.2 Software Requirements . 262 5.7 IBM TURBOWAYS 8282 ATM Workgroup Concentrator .......... 263 5.8 ATM Adapters . 264 5.8.1 Workstations and Tabletop ........................ 264 5.8.2 3172-003 ATM Adapter ........................... 264 5.8.3 IBM 8271 and IBM 8272 155 Mbps ATM Up-links ............ 264 5.8.4 S/390 OSA . 265 5.8.5 3746 . 265 Appendix A. Adapter Tables ............................. 267 A.1.1 Adapter Name . 267 A.1.2 Feature Code . 267 A.1.3 Part Number . 267 A.1.4 Field Replaceable Unit Number ..................... 267 A.1.5 Adapter Speed . 267 A.1.6 Shared ROM Size .............................. 268 A.1.7 Shared RAM Size .............................. 268 A.1.8 RIPL - Remote Initial Program Load ................... 268 A.1.9 Bus Type . 268 A.1.10 Data/Address Lines . 268 A.1.11 Announcement Number . 268 A.1.12 Card Length . 268 A.1.13 RJ-45.