- Enterasys Gigabit and Fast Ethernet Switches Hardware Installation Guide

Overview
1-2 Introduction
Overview
TheB2G124‐24,B2G124‐48,andB2H124‐48arestackableFastEthernetandGigabit
Ethernetswitches,whichcanbeadaptedandscaledtohelpmeetyournetworkneeds.
Theseswitchesprovideamanagementplatformanduplinktoanetworkbackbonefora
stackedgroupofuptoeightB2switches.The
fourbuilt‐inSmallFormPluggable(SFP)
interfaceslotsprovideyouwiththeoptionofinstallingMini‐GBICsfor1000BASE‐SX/LX
fiber‐opticconnectionsand1000BASE‐Tcopperconnections.
TheswitchesalsosupporttheuseofaredundantDCpowersupplytohelpprevent
downtimeduetoaninternalpowersupply
failureintheswitchorACpowersource.
Youcaninstalltheswitch
onaflatsurfaceorintoastandard19‐inchrackwithuser‐
suppliedmountinghardware,andconfiguretheswitchfunctionsusingtheWebView™
application,CLIswitchingcommands,and/orSNMP.
B2G124-24 and B2G124-48
TheB2G124‐24(Figure 1‐1)and B2G124‐48(Figure 1 ‐2 )haveseveraltypesoffrontand
rearpanelportconnections,whichinclude:
•RJ45ports(10/100/1000Mbps,1000BASE‐Tcopperports),24ontheB2G124‐24and48
ontheB2G124‐48
•SFPslotsthatprovideyouwiththeoptionof
installingSmallFormPluggable(SFP)
Mini‐GBICsfor1000BASE‐SX/LXfiber‐opticconnectionsand1000BASE‐Tcopper
connections.
•Rearpanelconnectorsforhigh‐speedconnectionsinastackconfiguration
•RearpanelRedundantPowerSupplyconnectorforaconnectiontoaSecureStack
C2RPS‐SYSpowersupplysystemusing theappropriatecable(C2RPS‐
PSM).
The10/100/1000 Mbpsfixedfrontpanelportscanoperateineitherhalf‐duplexorfull‐
duplexmode,asdeterminedbyAuto‐Negotiation.
Caution: The B2G124-24, B2G124-48 and B2H124-48 are not PoE-compliant devices.
Do not connect a SecureStack C2 PoE Redundant Power System (C2RPS-POE) to the
power connector. Otherwise, damage to the device may result.
Precaución: Los dispositivos B2G124-24, B2G124-48 y B2H124-48 no cumplen con el
estándar PoE (power over ethernet). No conecte una fuente de poder redundante (RPS)
SecureStack C2 PoE (C2RPS-POE) al cable de corriente. De lo contrario, el dispositivo
puede dañarse.
Note: The Mini-GBIC ports cannot be active simultaneously with their corresponding
10/100/1000BASE-T ports. For example, if SFP port 24 establishes a link first on the
B2G124-24, the 10/100/1000BASE-T built-in RJ45 port 24 is not available and vice-versa.