Enterasys Networks A2H123-24 manuale d’uso

7.5x9-inch cover with bleed on 4 sides Secur eStack A2 Fast Ether net Switch Hardware Installation Guide A2H123-24 P/N 9034353-01[...]

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i Notice Enterasys Networks  reserv es  the  right  to  make  changes  in  specifica tions  and  other  information  contained  in  this  document  and  its  web  site  without  prior  notice.  The  reader  should  in  all  cases  consult  Enterasys Ne tworks [...]

ii REGULATORY COMPLIANCE INFORMATION FEDERAL COMMUNICATIONS CO MM ISSION (FCC) NO TICE This  device  com plies  with  Par t  15  of  the  FC C  rules.  Operation  is  subject  to  the  foll owing  tw o  conditions:  (1)  this  device  may  not  cause  harmful  interference, [...]

iii ELECTROMAGNETIC COMPATIBILITY (EMC) This  product  complies  with  the  following :  47  CFR  Par t s  2  and  15,  CSA  C108.8,  89/336/EEC,  EN  55022,  EN  61000 ‐ 3 ‐ 2,  EN 61000 ‐ 3 ‐ 3,  EN  55024,  AS/NZS  CISPR  22,  VCCI  V ‐ 3.  COMPATIBILIDAD [...]

iv ѻ ѻ ક䇈ᯢк䰘ӊ Supplement to Product Instructions ᳝↦᳝ᆇ⠽䋼៪ܗ㋴ (Hazardous Substance) 䚼ӊৡ⿄ (Parts) 䪙 3E ∲ +J 䬝 &G ݁Ӌ䫀 &U   ໮⒈㘨㣃 3%% ໮⒈Ѡ㣃䝮 3%'( 䞥ሲ䚼ӊ (Metal Parts) hƻ ƻ ƻ ƻ ƻ ⬉䏃῵ഫ ( Circuit[...]

v VCCI NOTICE This  is  a  class  A  product  based  on  the  standard  of  the  Vo l u n t a r y  Control  Co uncil  for  Interferen ce  by  Information  Te c h n o l o g y  Equipment  (VCCI).  If  this  equipm ent  is  used  in  a  domes tic  environment , ?[...]

vi DECLARATION OF CONFORMITY Application  of  Co uncil  Directiv e(s): 89/336/EEC 73/23/EEC Manufacturer’s  Na me: Enterasys Networks, Inc. Manufacturer ’ s  Address: 50  Minuteman  Road Andover,  MA  01810 USA European  Representativ e  Address: Enterasys Networks,  Ltd. Nexus  House,  Newbury  Busi[...]

vii ENTERASYS NETWORKS, INC. FIRMWARE LICENSE AGREEMENT BEFORE OPENING OR UTILIZING THE ENCLOSED PRODUCT, CAREFULLY READ THIS LICENSE AGREEMENT. This  document  is  an  agreement  (“ Agreement”)  betwee n  the  end  user  (“Y ou”)  and  Enterasys  Netw orks,  Inc.,  on  behalf  of  itsel[...]

viii 3. APPLICABLE  LAW. This  Agreem ent  shall  be  interpreted  and  governed  under  the  laws  and  in  the  state  and  federal  cour ts  of  the  Commonwealth  of  Massachusetts  wit hout  regard  to  its  conflicts  of  laws  prov isions.  You  a[...]

ix 8. AUDIT  RIGHTS. You  here by  acknowl edge  that  the  intell ectual  property  rights  associated  with  the  Program  are  of  critical  value  to  Enterasys,  and,  accordingly,  You  hereby  agree  to  maintain  complete  books,  re cords  and  accoun[...]

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xi Contents About This Guide Who Should Use This G uide ........ ................... .................... ................... ................... ................ .......... xv How to Use This Guide ................ ................... .................... ................ ................... ............... ........... .. xvi Related Documents ...[...]

xii Connecting to Console Port for Local Management ........................ ... ................ ................... .......... 3-15 What Is Needed .................. ................... ................... .................... ................... ................ . ......... 3-15 Connecting to an IBM or Compatible Device ... ............. .......[...]

xiii A-1 Console Port Pinout Assignments ................. ................... .................... ................... .............. A-3 Tables 3-1 Contents of Switch Cart on .................. .................... ................... ................... ................. ...... .. 3-2 4-1 LANVIEW LEDs ............... ................... ........[...]

xiv[...]

SecureStack A2 Installation Guide xv About This Guide This  guide  provides  an  ov erview ,  installati on  and  troubleshooting  instructio ns,  and  specifications  for  the  Enterasys ®  SecureStack  A2H123 ‐ 24  stackable  Ethernet  switch. For  information  about  the  Comma[...]

How to Use This Guide xvi About This Guide How to Use This Guide Read  through  this  guide  completely  to  familiarize  you rs el f  with  its  contents  and  gain  an  understanding  of  the  features  and  capabilities  of  the  stackable  Ethernet  switches.  A  gene[...]

Conventions Used in This Guide SecureStack A2 Installation Guide xvii Conventions Used in This Guide The  following  conventions  are  used  in  this  guide: Note: Calls the reader ’s attention to any item of information that may be of special import ance. Caution: Contains information essential to avoid damage to the equ ipm[...]

Getting Help xviii About This Guide Getting Help For  additional  support  related  to  the  SecureStack  A2  or  this  document,  contact  Enterasys Networks  using  one  of  the  follow ing  methods: Before  contacting  Enterasys Networks  for  technical  support,  have  t[...]

SecureStack A2 Installation Guide 1-1 1 Introduction This  chapter  introduces  the  A2H123 ‐ 24  stackable  switch.  Overview The  A2H123 ‐ 24  is  a  stackable  Fast  Ethernet  switch,  which  can  be  adapted  and  scaled  to  help  meet  you r  network  needs. [...]

Overview 1-2 Introduction • 1000BASE ‐ T  RJ45  connectors  which  can  be  used  in  a  stack  configuration  or  as  standard  switch  ports  when  the  A2H123 ‐ 24  is  configured  as  a  standalone  switch. On  the  rear  panel,  there  is  a  Re [...]

Connectivity SecureStack A2 Installation Guide 1-3 S t ack Connections The  switches  hav e  front ‐ panel  RJ45  connectors  for  connections  in  a  stack  configuration.  The  stacking  cables  used  for  the  connections  are  standard  Category  5  or  better  UTP [...]

Standards Compatibility 1-4 Introduction Switch Configuration Using CLI Commands The  CLI  commands  enable  you  to  perform  more  complete  SecureSt ack  A2  configuration  management  tasks. For  CLI  command  set  information  and  how  to  configure  the  module ,  refer [...]

SecureStack A2 Installation Guide 2-1 2 Network Requirements Before  inst alling  the  device,  review  the  requirements  and  spec ifications  in  this  chapter .  The  network  install ation  must  meet  the  requirements  described  in  this  chapter  to  ensure  satisfa[...]

100BASE-TX Network 2-2 Network Requirements 100BASE-TX Network When  connecting  a  100BASE ‐ TX  segment  to  one  of  the  fixed  ports  (1 through  24  on  the  A2H123 ‐ 24)  use  Category  5  UTP  cabling.  The  device  at  the  other  end  of  the  twist[...]

SecureStack A2 Installation Guide 3-1 3 Hardware Installation This  chapter  provides  instructions  on  how  to  install  the  A2H123 ‐ 24.  Follow  the  order  of  the  sections  listed  below  to  correctly  install  the  switch. Electrical Hazard: Only qualified perso nnel shou[...]

Considerations Prior to Installation 3-2 Hardware Installation Considerations Prior to Inst allation When  installing  the  switch,  note  the  fol lowing: •B e f o r e  starting  the  installation  procedure,  notify  the  network  administrator  of  the  installation. •F o l l o w  the [...]

Installing the Switch on a Flat Surface SecureStack A2 Installation Guide 3-3 Inst alling the Switch on a Flat Surface When  installing  the  switch  on  a  flat  surface,  the  installation  of  the  rubber  feet  is  recommended  to  prev ent  the  switch  from  sliding  on  a ?[...]

Installing the Switch on a Flat Surface 3-4 Hardware Installation Figure 3-1 Chassis Bottom, Rubber Feet Placemen t 1 Bottom of chassis as seen when chassis is resting on its back 3 Rubber feet with a dhesive backing (four) 2 Locations to install the rubber feet (four locations) Note: If a number of switches are being installed in a stack, repeat s[...]

Installing the Switch on a Flat Surface SecureStack A2 Installation Guide 3-5 Guidelines for Flat Surface Inst allation Locate  the  switch  within  152  cm  (5  ft)  of  its  pow er  source  and  on  a  surface  as  shown  in  Figure 3 ‐ 2 .  If  an  optional  redundant  pow[...]

Rack Mounting the Switch 3-6 Hardware Installation Rack Mounting the Switch To  install  the  switch  in  a  19 ‐ inch  ra ck,  yo u  need:  •T w o  rackmount  brackets  and  mounting  screws  (rackmount  kit)  shipped  with  the  switch. •F o u r  user ‐ supplied  screws [...]

Connecting Stacking Cables SecureStack A2 Installation Guide 3-7 Figure 3-3 Att aching the Rackmount Bracket s 2. With  the  mou nting  brackets  attached,  position  the  switch  between  the  vert ical  frame  members  of  the  19 ‐ inch  rack  as  shown  in  Figure 3 ‐ 4 .  Then [...]

Connecting Stacking Cables 3-8 Hardware Installation Figure 3 ‐ 5  shows  an  example  of  a  four ‐ high  stack  connected  in  a  closed  loop  configuration.  All  ST AC K  DOWN  and  ST ACK  UP  connectors  are  used  in  the  installation.  The  stacking  c[...]

Configuring Switches in a Stack SecureStack A2 Installation Guide 3-9 Configuring Switches in a S t ack The  information  in  the  following  sections  is  important  to  understand  A2  switch  operation  and  installations  in  a  stack  installation. About SecureSt ack A2 Swi tch Operation in[...]

Configuring Switches in a Stack 3-10 Hardware Installation 3. The  management  election  process  uses  the  f ollowing  precedence  to  assign  a  management  switch: a. Previously  assigned/elected  manage ment  switch b. Management  assigned  priority  (v alues  1–15) c. Hardware  pre[...]

Configuring Switches in a Stack SecureStack A2 Installation Guide 3-11 3. Once  the  desired  master  un it  has  been  selected,  rese t  the  system  using  the  reset  command. 4. After  the  stack  has  been  configured,  you  can  use  the  show  switch  unit  com[...]

Connecting AC and RPS-SYS Power 3-12 Hardware Installation Connecting AC and RPS-SYS Power AC Power To  connect  a  switch  to  the  AC  pow er  source,  refer  to  Figu re 3 ‐ 6  and  proceed  as  follows: 1. Plug  the  power  cord into  the  swit ch  AC  power  connector . 2. [...]

Connecting AC and RPS-SYS Power SecureStack A2 Installation Guide 3-13 Figure 3-6 Switch Rear Vi ew 3. Observe  the  pow er  CPU  LED  (not  shown),  located  on  the  front  panel.  During  the  initialization,  the  CPU  LED  will  start  by  illuminating  sol id  amber,  the[...]

Connecting AC and RPS-SYS Power 3-14 Hardware Installation C2RPS-SYS Redundant Power System If  you  are  installing  an  optional  re dundant  power  system  (C2RPS ‐ SYS),  refer  to  the  installation  instructions  supplied  with  the  Secure Stack  RPS.  The  switch  is  co[...]

Connecting to Console Port for Local Management SecureStack A2 Installation Guide 3-15 S tack Initialization Overview When  you  install  and  connect  all  the  stacking  cables  to  the  switches  in  the  stack  before  applying  power  to  the  swi tches,  the  following  occu[...]

Connecting to Console Port for Local Management 3-16 Hardware Installation Using  a  DTE  modem  DB9  female ‐ to ‐ DB25  female  cable,  you  can  connect  products  equipped  with  a  DB9  DTE  male  console  port  to  a  VT  series  terminal  or  VT  type  te[...]

Connecting to Console Port for Local Management SecureStack A2 Installation Guide 3-17 When  these  parameters  are  set,  the  Startup  screen  will  display .  Proceed  to  “ Connecting  to  the  Network ”  on  page 3 ‐ 19. Figure 3-9 Connecting an IBM PC or Comp atible Connecting to a VT S[...]

Connecting to Console Port for Local Management 3-18 Hardware Installation When  these  parameters  are  set,  the  Startup  screen  will  display .  Proceed  to  “ Connecting  to  the  Network ”  on  page 3 ‐ 19. Figure 3-10 Connecting a VT Series T erminal Connecting to a Modem To  conne[...]

Connecting to the Network SecureStack A2 Installation Guide 3-19 When  these  parameters  are  set,  the  Startup  screen  will  display .  If  the  switches  ar e  in  a  stacked  configuration,  proceed  to  “ Connecting  to  the  Network ”  on  page 3 ‐ 19. Figure 3[...]

Connecting to the Network 3-20 Hardware Installation To  connect  twisted  pair  seg ments  to  the  switch,  refer  to  Figure 3 ‐ 12  and  proceed  as  follows: 1. Ensure  that  the  device  to  be  connected  at  the  other  end  of  the  segment  is  powere[...]

Connecting to the Network SecureStack A2 Installation Guide 3-21 d. Ensure  that  the  twisted  pai r  connection  meets  the  dB  loss  and  cable  specifications  outlined  in  the  Cabling  Guide.  Refer  to  “ Rela ted  Documents ”  on  page xvi  for  information [...]

Connecting to the Network 3-22 Hardware Installation Figure 3-15 Eight-W ire Crossover Cable RJ45 Pinout s for 1000BASE-TX Figure 3-16 Eight-Wi re Straight-Thr ough Cable RJ45 Pinout s for 1000BASE-TX 2 1 3 6 4 5 7 8 TX1+ TX2+ RX4- RX1- TX4+ RX3- TX3+ RX2- 2 1 3 6 4 5 7 8 TX2+ RX4- RX1- TX4+ RX3- TX3+ RX2- TX1+ MDI MDI TX1+ TX2+ RX4- RX1- TX4+ RX3-[...]

Connecting to the Network SecureStack A2 Installation Guide 3-23 Connecting Fiber-Opti c Cables to LC Port s This  section  describes  how  to  connect  a  100BASE ‐ FX  multimode  fiber ‐ optic  segment  from  the  network  or  other  devices  to  an  LC  port  connector . Each [...]

Connecting to the Network 3-24 Hardware Installation Figure 3-17 Cable Connection t o LC Fiber-Optic Connectors 3. Plug  the  other  end  of  the  cable  into  the  appropriate  port  on  the  other  devi ce.  Some  cables  may  be  terminated  at  the  other  end  with  two[...]

Completing the Installation SecureStack A2 Installation Guide 3-25 5. Repeat  steps  1  through  4,  above,  unt il  all  connections  hav e  been  made. Completing the Inst allation After  installing  the  switch  and  making  the  connections  to  the  net work,  access  the [...]

Completing the Installation 3-26 Hardware Installation[...]

SecureStack A2 Installation Guide 4-1 4 T roubleshooting This  chapter  provides  information  concerning  the  following: This  device  contains  a  battery  that  is  not  considered  a  user  replaceable  part.  If  the  battery  needs  to  be  replaced,  contact  c[...]

Using LANVIEW 4-2 Troubleshooting Using LANVIEW These  switches  support  the  Enterasys Networks  built ‐ in  LANVIEW  LED  visual  diagnostic  and  status  monitoring  system.  The  LANVIEW  LEDs  on  the  A2H123 ‐ 24  are  shown  in  Figure 4 ‐ 1 .  These  LEDs  [...]

Using LANVIEW SecureStack A2 Installation Guide 4-3 T able 4-1 LANVIEW LEDs LED Color State Recommended Acti on CPU Off Power disconnected. If the LED remains off after connecting AC power or DC power from an RPS, check the following: 1. Make sure there is power at the power source (AC source and RPS if applicable). 2. Replac e the power cord with [...]

Using LANVIEW 4-4 Troubleshooting 26/S tack Down Of f No valid connection to switch stackup connector . 1. Make sure the switch connected to the stackup connector is powered on. 2. Replace cable with a known goo d one. 3. If the problem still exists, contact Enterasys Networks for technical support. Green Solid . V alid connection to switch stackup[...]

Using LANVIEW SecureStack A2 Installation Guide 4-5 RPS Off The RPS LED remains off regardless if the RPS is atta ched or not. The L ED being in its off st ate is not an indication that the RPS is not functioning properly and won’t supply power in the event of an AC power supply failure. See Amber state below . None. Amber Solid .The switch inter[...]

Troubleshooting Checklist 4-6 Troubleshooting T roubleshooting Checklist If  the  device  is  not  work in g  properly ,  refer  to  Ta b l e 4 ‐ 2  for  a  checklist  of  problems,  possible  causes,  and  recommended  actions  to  resolve  the  problem. T able 4-2 T roubleshoo[...]

Troubleshooting Checklist SecureStack A2 Installation Guide 4-7 Cannot contact the SecureS tack A2 through in-band management. IP address not assigned. Refer to the SecureSt ack A2 Configuration Guide for the IP address assignment procedure. Port is disabled . This is normal if the swi tch is a Member in a stack. If operating as a standalone sw itc[...]

Using the Reset Switch 4-8 Troubleshooting Using the Reset Switch If  you  forget  the  SecureSt ack  A2  login  passw ord,  use  the  Reset  switch  as  describe d  in  the  following  procedure.  Figure 4-2 Reset Switch To  reset  the  SecureStack  A2  passw ord,  refer  t[...]

SecureStack A2 Installation Guide A-1 A Specifications This  appendix  provides  information  about  the  foll owing: Enterasys Networks  reserves  the  right  to  change  the  specifications  at  any  time  without  notice. Switch S pecifications Ta b l e A ‐ 1  provides  the  I/O ?[...]

Switch Specifications A-2 Specifications AC Input Specifications Input V oltage 100 – 240 V AC Input Current 1 A Max Frequency 50 – 60 Hz Processors/Memory Processor MPC8241, 266 MHz proce ssor with a 33 MHz PCI and 133 MHz SDRAM Dynamic Random Access Memory (DRAM) 128 MB FLASH Memory 16 MB Physical Dimensions 4.4 H x 44.1 W x 21.0 D cm (1.7 H [...]

SecureStack A2 Installation Guide A-3 Fiber-Optic S pecifications Tw o  100BASE ‐ FX  fiber  ports  (Multimode)  with  LC  connectors  are  located  on  the  front  panel.  The  specifications  shown  in  the  following  tables  meet  or  exceed  the  IEEE  802.3z ‐ 1[...]

Torque Values A-4 Specifications T orque V alues The  following  table  describes  the  recommended  torque  val u es  to  use  when  installing  the  SecureStack  switch  using  standard  threaded  fastener  machine  screws  and  bolts. Regulatory Compliance The  A2H123 ‐ 24 ?[...]