Enterasys Networks C2H124-48P manual

Enterasys ® Secur eStack ™ C2 Gigabit Ether net Switches Hardware Installation Guide C2G124-48P C2H124-48P P/N 9033994-08 7.5x9-inch cover with bleed on 4 sides[...]

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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  Pa rt  15  of  the  FCC  rules.  Operation  is  subject  to  the  following  two  conditions:  (1)  this  device  may  not  cause  harmful  interference, [...]

iii ELECTROMAGNETIC COMPATIBILITY (EMC) This  product  complies  with  the  following:  47  CFR  Pa rt s  2  and  15,  CSA  C108.8,  89/336/EEC,  EN  55022,  EN  6100 0 ‐ 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  Coun cil  for  Interference  by  Information  Te c h n o l o g y  Equipment  (VCCI).  If  this  equipment  is  used  in  a  domes tic  environme nt, [...]

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  ENCL OSED  PRODUCT , CAREFULL Y  READ  THIS  LICENSE  AGREEMENT . This  document  is  an  agreement  (“ Agreement”)  betwee n  the  end  user  (“Y ou”)  and  Enterasys Network s, Inc.[...]

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,  records  and  accounts [...]

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

xii Connecting AC and PoE Power ............. ................... ................ .................... ................... ............ .... 3-15 Stack Initialization Overview ............... ................... ................ .................... ................ ........... ..... 3-16 Connecting to Console Port for Local Management ...........[...]

xiii Figures 1-1 C2G124-48P Stackable Switch ........ ....................... ................... ....................... ..................... 1-3 1-2 C2H124-48P Stackable Switch ........... ................ .................... ................ ................... ............ 1-4 3-1 Mini-GBIC with MT-RJ Connec tor ....... .................... .[...]

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SecureStack C2 Installation Guide xv About This Guide This  guide  provides  an  ov erview ,  installati on  and  troubleshooting  instructio ns,  and  specifications  for  the  Enterasys ®  SecureStack  C2G124 ‐ 48P  and  C2H124 ‐ 48P  stacka ble  Gigabit  Ethernet  switches. For [...]

How to Use This Guide xvi How to Use 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  switch.  A  g[...]

Conventions Used in This Guide SecureStack C2 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[...]

Conventions Used in This Guide xviii Conventions Used in This Guide[...]

SecureStack C2 Insta llation Guide 1-1 1 Introduction This  chapter  introduces  the  C2G124 ‐ 48P  and  C2H124 ‐ 48P  Gigabit  Ethernet  stackable  switches. Overview The  C2G124 ‐ 48P  and  C2H124 ‐ 48P  are  stackable  switches  that  can  be  adapted  and  scaled  to ?[...]

Overview 1-2 Introduction C2G124-48P S t ackable Switch The  C2G124 ‐ 48P  ( Figure 1 ‐ 1 )  has  sev eral  types  of  front  panel  port  connections,  whi ch  include: •F o r t y ‐ eigh t  RJ45  ports  (10/10 0/1000  Mbps,  1000BASE ‐ T  copper  ports)  that  also  suppor[...]

Overview SecureStack C2 Insta llation Guide 1-3 Figure 1- 1 C2G124-48P St ackable Switch C2H124-48P S t ackable Switch The  C2H124 ‐ 48P  ( Figure 1 ‐ 1 )  has  sev eral  types  of  front  panel  port  connections,  which  include: •F o r t y ‐ eigh t  RJ45  ports  (10/10 0  Mbps,  10BASE ?[...]

Overview 1-4 Introduction The  10/100 Mbps  fixed  front  panel  ports  can  operate  in  either  half ‐ duplex  or  full ‐ duple x  mode,  as  determined  by  Auto ‐ Negotiation. Figure 1-2 C2H124-48P S t ackable Switch High-S peed St ack Connections The  switch  has  rear ‐ panel[...]

PoE (Power over Ethernet) Support SecureStack C2 Insta llation Guide 1-5 Redundant Power Supply Cap ability The  switch  has  power  supply  redundancy  capability  when  connected  to  an  optional  external  redundant  pow er  supply  (RPS).  If  the  internal  pow er  supply  fail[...]

Connectivity 1-6 Introduction Connectivity The  switch  connects  to  Ethernet  netw orks  or  workstations  through  the  fixed  front  panel  RJ45  connectors  and  four  uplink  ports  that  support  optional  Mini ‐ GBICs. At  the  time  of  this  print ing,  [...]

Standards Compatibility SecureStack C2 Insta llation Guide 1-7 Switch Configuration Using CLI Commands The  CLI  commands  enable  you  to  perform  more  complete  switch  configuration  management  tasks. For  CLI  command  set  information  and  how  to  configure  the  module , ?[...]

Getting Help 1-8 Introduction •A  description  of  any  action(s)  already  take n  to  resolve  the  problem  (for  example,  changing  mode  switches,  rebooting  the  unit,  and  so  forth) •T h e  serial  and  revision  numbers  of  all  invo lved  Entera[...]

SecureStack C2 Insta llation Guide 2-1 2 Network Requirements Before  inst alling  the  device,  review  the  requirements  and  specif ications  in  this  chapter  concerning  the  following: Note: All RJ45 connectors support Po E connections from network PDs (Powe red Devices). For information about... Re[...]

10BASE-TX Network 2-2 Network Requir ements 10BASE-TX Network When  connecting  a  10BASE ‐ TX  segment  to  one  of  the  RJ45  fixed  ports  (1  through  48)  on  both  the  C2G124 ‐ 48 P  and  the  C2H124 ‐ 48P,  ensure  that  the  network  meets  the  Ethe[...]

1000BASE-T Network SecureStack C2 Insta llation Guide 2-3 1000BASE-T Network The  C2G124 ‐ 48P,  RJ45  fixed  front  panel  connectors  support  RJ45  copper  1000BASE ‐ T  compliant  connections.  The  Mini ‐ GBIC  port  sockets  on  the  C2G124 ‐ 48P  and  C2H 124 ‐ 48P  [...]

1000BASE-T Network 2-4 Network Requir ements[...]

SecureStack C2 Insta llation Guide 3-1 3 Hardware Installation This  chapter  provides  the  instructions  to  install  the  C2G124 ‐ 48P  or  C2H124 ‐ 48P.  Unless  otherwise  noted,  the  instructions  apply  to  both  switches.  Follow  the  order  of  the  sections ?[...]

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

Installing Optional Mini-GBICs SecureStack C2 Insta llation Guide 3-3 Inst alling Optional Mini-GBICs This  section  describes  how  to  install  Mini ‐ GBICs  in  any  of  the  SFP  port  slots  (45  through  48  of  C2G124 ‐ 48P,  or  49  through  52  of  C2H124 ‐ 48P. [...]

Installing Optional Mini-GBICs 3-4 Hardware Installation 2. Carefully  align  the  Mini ‐ GBIC  with  the  port  slot. 3. Push  the  Mini ‐ GBIC  into  the  port  slot  until  the  Mini ‐ GBIC  “clicks”  and  locks  into  place. Figure 3-1 Mini-GBIC with MT -RJ Connector 1 Min[...]

Installing Optional Mini-GBICs SecureStack C2 Insta llation Guide 3-5 Figure 3-2 Mini-GBIC with LC Connector 1 Mini-GBIC (MGBIC-LC01, -LC03, or -LC09) 4 Port slot 2 Mini-GBIC , top side 5 Protective dust cover 3 7-pin edge connector (insertion side ) 6 Release tab C2G124-24 Console 45 46 47 48 47 C2G124-48P 43 44 45 46 47 48 45 46 47 48 Å Ä Á À[...]

Installing the Switch on a Flat Surface 3-6 Hardware Installation Removing a Mini-GBIC To  remove  a  Mi ni ‐ GBIC  from  a port  slot,  refer  back  to  Figure 3 ‐ 1  and  Figure 3 ‐ 2 ,  and  proceed  as  follows: 1. Attach  you r  antistatic  wrist  strap  (refer  to  the[...]

Installing the Switch on a Flat Surface SecureStack C2 Insta llation Guide 3-7 Inst alling the Rubber Feet To  install  the  rubber  feet,  refer  to  Figure 3 ‐ 3  and  proceed  as  follows: 1. Place  the  switch  on  its  back  on  a  sturdy  fl at  surface  to  gain  acces[...]

Installing the Switch on a Flat Surface 3-8 Hardware Installation 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 ‐ 4 .  If  an  optional  redundant  pow er  syst[...]

Rack Mounting the Switch SecureStack C2 Insta llation Guide 3-9 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  shipped  with  the  switch. •F o u r  user ‐ supplied  scr ews  to [...]

Connecting High-Speed Stacking Cables 3-10 Hardware Installa tion Figure 3-5 Att aching the Rackmount Bracket s 2. With  the  mou nting  brackets  attached,  position  the  switch  between  the  vert ica l  frame  members  of  the  19 ‐ inch  rack  as  shown  in  Figu re 3 ‐ 6 .  Th[...]

Connecting High-Speed Stacking Cables SecureStack C2 Instal lation Guide 3 -11 Figure 3 ‐ 7  shows  an  example  of  a  four ‐ high  stack  connected  in  a  ring  topology .  All  ST ACK  DOWN  and  ST ACK  UP  c onnectors  used  in  the  installation.  The  high ‐ sp[...]

Configuring Switches in a Stack 3-12 Hardware Installa tion After  connecting  the  cables  to  the  stacking  ports,  proceed  to  “ Connecting  AC  and  Po E  Po we r ”  on  page 3 ‐ 15  for  instructions. Configuring Switches in a S t ack The  information  in  the  following[...]

Configuring Switches in a Stack SecureStack C2 Instal lation Guide 3 -13 2. Switch  IDs  are  saved  against  each  module.  Then,  ev ery  time  a  board  is  pow er ‐ cycled,  it  will  initialize  with  the  same  switch  ID.  This  is  important  for  port ‐ sp ec[...]

Configuring Switches in a Stack 3-14 Hardware Installa tion 2. (Optional)  If  desired,  change  the  manageme nt  switch  using  the  set  switch  movemanagement  command  as  described  in  the  Secur eStack  C2  Configuration  Guide .  3. Once  the  desired  master  swi t[...]

Connecting AC and PoE Power SecureStack C2 Instal lation Guide 3 -15 Connecting AC and PoE Power AC Power To  connect  the  switch  to  the  po wer  source,  refer  to  Figure 3 ‐ 8  and  proceed  as  follows:  1. Plug  the  power  cord into  the  switch  AC  power  connector . [...]

Connecting AC and PoE Power 3-16 Hardware Installa tion 3. Observe  the  pow er  CPU  LED  (not  shown)  located  on  the  front  pa nel.  During  the  initialization,  the  CPU  LED  will  start  by  illuminating  sol id  amber,  then  start  blinking  green,  then[...]

Connecting to Console Port for Local Management SecureStack C2 Instal lation Guide 3 -17 •T h e  Console  port  on  each  Member  switch  is  deacti vated.  Only  the  Co nsole  port  on  the  Manager  switch  is  active  for  out ‐ of  band  conf iguration  to  set  the[...]

Connecting to Console Port for Local Management 3-18 Hardware Installa tion Figure 3-9 DB9 Male Console Port Pinout Assignment s Connecting to an IBM or Comp atible Device To  connect  an  IBM  PC  or  compatible  devi ce,  running  the  VT  terminal  emulation,  to  an  Enterasys  switch  Console [...]

Connecting to Console Port for Local Management SecureStack C2 Instal lation Guide 3 -19 Figure 3-10 Connecting an IBM PC or Compatible Connecting to a VT Series T erminal To  connect  a  VT  Series  terminal  to  an  Enterasys  switch  Console  port  ( Figure 3 ‐ 11 ),  use  a  UTP  serial  inte[...]

Connecting to Console Port for Local Management 3-20 Hardware Installa tion Figure 3-1 1 Connecting a VT Series T erminal Connecting to a Modem To  connect  a  modem  to  an  Enterasys Netw orks  switch  modem  port  ( Figure 3 ‐ 12 ),  use  a  UTP  cable  terminated  with  a  DB9  female ?[...]

Connecting to the Network SecureStack C2 Instal lation Guide 3 -21 When  these  parameters  are  set,  the  Startup  screen  will  display .  If  the  switches  are  in  a  stacked  configuration,  proceed  to  “ Connecting  to  the  Network ”  on  page 3 ‐ 21. Figure [...]

Connecting to the Network 3-22 Hardware Installa tion To  connect  twisted  pair  seg ments  to  the  switch,  refer  to  Figure 3 ‐ 13  and  proceed  as  follows: 1. Ensure  that  the  device  to  be  connected  at  the  other  end  of  the  segment  is  power[...]

Connecting to the Network SecureStack C2 Instal lation Guide 3 -23 d. Ensure  that  the  twisted  pair  connection  meets  the  dB  loss  and  cable  specificat ions  outlined  in  the  Cabling  Guide.  Refer  to  “ Rela ted  Documents ”  on  page xvi  for  informatio[...]

Connecting to the Network 3-24 Hardware Installa tion Figure 3-16 Eight-W ire Crossover Cabl e RJ45 Pinout s for 10/100/1000BASE-TX Figure 3-17 Eight-W ire Straig ht-Through Cable RJ45 Pinout s for 10/100/ 1000BASE-TX 1 RJ45 device port 3 RJ45-to-RJ45 crossover c able 2 Other device port 1 RJ45 device port 3 RJ45-to-RJ45 straight-th rough cable 2 O[...]

Connecting to the Network SecureStack C2 Instal lation Guide 3 -25 Connecting Fiber-Optic Cab les to MT -RJ Ports This  section  contains  the  procedures  for  connecting  a  1000BASE ‐ SX  mult imode  fiber ‐ optic  segment  from  the  network  or  other  devices  to  an  MT ‐ RJ ?[...]

Connecting to the Network 3-26 Hardware Installa tion 2. Insert  the  MT ‐ RJ  cable  connector  into  the  MT ‐ RJ  connector  unti l  it  clicks  into  place. Figure 3-18 Cable Connec tion to MT -RJ Multimode Fiber-Optic Connectors 3. Plug  the  other  end  of  the  cable  into  t[...]

Connecting to the Network SecureStack C2 Instal lation Guide 3 -27 4. V erify  that  a  link  exists  by  che cking  that  the  port  Link/Activity  LED  is  on  (blinking  green  or  solid  green).  If  the  Link/Activity  LED  is  off,  perform  the  following  st[...]

Connecting to the Network 3-28 Hardware Installa tion To  connect  an  LC  cable  connector  to  a  fixed  LC  connector  of  a  Mini ‐ GBIC,  refer  to  Figure 3 ‐ 19  and  proceed  as  follows: 1. Remove  the  protectiv e  covers  (not  shown)  from  the  fron[...]

Connecting to the Network SecureStack C2 Instal lation Guide 3 -29 Figure 3-19 Cable Connec tion to LC Fiber-Optic Connectors 3. Plug  the  other  end  of  the  cable  into  the  appropriate  port  on  the  other  device.  Some  cables  may  be  terminated  at  the  other  end [...]

Completing the Installation 3-30 Hardware Installa tion Completing the Inst allation After  installing  the  switch  and  making  the  connections  to  the  ne twork,  access  the  switch  management,  as  described  below . Initial Logon to Switch Managemen t To  initially  access  switch[...]

SecureStack C2 Insta llation Guide 4-1 4 T roubleshooting This  chapter  provides  information  concerning  the  following: For information about... Refer to page... Using LANVIEW 4-2 T roubleshoo ting Checklist 4-7 Using the Reset Button 4-8[...]

Using LANVIEW 4-2 Troubleshooting Using LANVIEW The  switch  uses  the  Enterasys Netw orks  built ‐ in  visual  diagnostic  and  status  monitoring  system  called  LANVIEW .  For  the  location  of  LANVIEW  LEDs  on  the  C2G124 ‐ 48P  and  C2H124 ‐ 48P,  ref er [...]

Using LANVIEW SecureStack C2 Insta llation Guide 4-3 Figure 4-2 C2H124-48P LANVIEW LEDs Ta b l e 4 ‐ 1  describes  the  LED  indications  and  provides  re commended  actions  as  appropriate. 1 CPU LED 6 Link/Activity LED for 10/100 Mbps, port 1 2 ST ACK DOWN LED 7 Link/Activity LEDs for 10/100 Mbps, 3 ST ACK UP LED[...]

Using LANVIEW 4-4 Troubleshooting T able 4-1 LANVIEW LED Diagnostic Indications LED Color Stat e Recommended Action 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 th ere is power at the power source (AC source an d RPS if applicable). 2. Replace the power cord [...]

Using LANVIEW SecureStack C2 Insta llation Guide 4-5 UP Off No valid connection to switch stack down connector . 1. Make sure the switch connected to the stack down connector is powered on. 2. Replace cable with a known good one. 3. If the problem still e xists, cont act Enterasys Networks for technical support. Green Solid. V alid connection to sw[...]

Using LANVIEW 4-6 Troubleshooting Link/ Activity (RJ45 PoE ports 1–48) Off 1. No link. 2. No activity or port in standby . 3. The port is deactivated because the Mini-GBIC port with the same port number is linked. None. None. None. Green Solid. Port is linked, but the interface is not receiving any traffic. PoE power is okay . None. Blinking. Por[...]

Troubleshooting Checklist SecureStack C2 Insta llation Guide 4-7 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 ab[...]

Using the Reset Button 4-8 Troubleshooting Using the Reset Button If  you  forget  the  switch  login  passw ord,  use  the  Reset  button  as  described  in  the  following  procedure.  Figure 4-3 Reset Button Port(s) goes into standby for no apparent reason. Loop condition detected . V erify tha [...]

Using the Reset Button SecureStack C2 Insta llation Guide 4-9 To  reset  the  switch  passw ord,  refer  back  to  Figure 4 ‐ 3  and  proceed  as  follows: 1. Press ‐ and ‐ hold  the  Reset  button  while  the  switch  is  operational.  This  change  of  the  login [...]

Using the Reset Button 4-10 Troubleshooting[...]

SecureStack C2 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. C2G124-48P/C2H124-48P S witch Specifications Ta b l e A ‐ 1  provi[...]

C2G124-48P/C2H124-48P Switch Specifications A-2 Specifications C2H124-48 P  RJ45  ports 1 through 48 Forty-eight, 10BASE-T/100BASE-TX compliant ports with auto- sensing and auto-negotiation via RJ45 connectors. The se ports also support 802.3af PoE connections. SFP ports 49 through 52 Four slot s that support optional Mini-GBICs for 1000BASE-[...]

Mini-GBIC Input/Output Specifications SecureStack C2 Installation Guide A-3 Mini-GBIC Input/Output S pecifications The  Mini ‐ Gigabit  Ethernet  Card  (Mini ‐ GBIC)  port  interface  slots  can  support  1 ‐ Gbps  fiber ‐ optic  and  copper  connections  as  described  in  Ta b l e A ?[...]

Gigabit Ethernet Specifications A-4 Specifications Gigabit Ethernet S pecifications The  following  specificat ions  for  the  Mini ‐ GBICs  shown  in  Ta b l e A ‐ 3  through  Ta b l e A ‐ 11  meet  or  exceed  the  IEEE  802.3z ‐ 1998  standard. MGBIC-LC01/MGBIC-MT01 S pec ifications (100[...]

Gigabit Ethernet Specifications SecureStack C2 Installation Guide A-5 MGBIC-LC09 S pecific ations (1000 BASE-LX) T able A-6 MGBIC-LC03 Operating Range Item Modal Bandwid th @ 1310 nm Range 62.5 µm MMF 160 MHz/km 2,000 Meters 50 µm MMF 400 MHz/km 2,000 Meters T able A-7 MGBIC-LC09 Optical Spec ifications Item 62.5 µm MM F 50 µm MMF 10 µm SMF T [...]

Gigabit Ethernet Specifications A-6 Specifications MGBIC-08 Specificati ons (1000BASE-ELX) MGBIC-02 Specifications (1000BASE-T) T able A-9 MGBIC-08 Optical Specific ations Item T ransmit Power (minimum) -0 dBm, min. +2 dBm, typical +5 dBm, max. Receive Sensitivity -24 dBm, min. -26 dBm, typical Maximum Input Power -3 dBm Link Power Budget 1 (Full D[...]

Console Port Pinout Assignments SecureStack C2 Installation Guide A-7 Console Port Pinout Assignment s The  Console  port  is  a  DB9  serial  communications  port  for  local  access  to  Local  Management.  Refer  to  Figure A ‐ 1  for  the  Console  port  pin  assignments. Fi[...]

Regulatory Compliance A-8 Specifications[...]

Index-1 Index Numerics 1000BASE-FX network connections requirements for 2-2 1000BASE-T requirements for 2-3 100BASE-T requirements 2-2 10BASE-T connection 3-21 requirements 2-2 A AC input specifica tions A-2 AC Power connecting to 3-15 C C2G124-48P Stackable Switch introduction to 1-2 C2H124-48P Stackable Switch introduction to 1-3 Cable Fiber Budg[...]

Index-2 P PD (Powered Device) introduction to 1-5 PDC (Powered Device Classification) introduction to 1-5 list of 1-5 Pinout assignments console port A-7 UTP 4-wire crossover cable 3-23 UTP 4-wire straight-through cable 3-23 UTP 8-wire crossover cable 3-24 UTP 8-wire straight-through cable 3-24 PoE (Power over Ethernet) introduction to 1-5 PoE Powe[...]