Installation guide

Overview
1-4 Introduction
Figure 1-2 C3G124-48P Stackable Switch
High-Speed Stack Connections
Theswitcheshaverear‐panelconnectorsforhigh‐speedconnectionsinastack
configuration.Thehigh‐speedstackingcablesusedfortheconnectionsareoptionalitems
andmustbeorderedseparately.Stackingcablesareavailableinthreelengths:1foot,
1 m eter,and5meters.See“ ConnectingHigh‐SpeedStackingCables”
onpage 3‐11for
detailsonthesecables.
Redundant Power Supply Capability
Theswitchhaspowersupplyredundancycapabilitywhenconnectedtoanoptional
SecureStackPoE‐compliantexternalredundantpowersupply(C2RPS‐POE).Ifthe
internalpowersupplyfails,theRPSassumestheentireloadoftheswitchwithout
interruptingnetworktraffic.TheinternalpowersupplyandRPSeachhavetheirownAC

powerconnection,whichenablestheconnectionofeachpowersupplytoadifferentAC
powercircuitforadditionalACpowersourceredundancy.
1 DB9 RS232 console port connector 6 Mini-GBIC port status LEDs
2 System status LEDs 7 Two ports for stack connections
3 Forty-eight RJ45, 10/100/1000 Mbps, PoE ports 8 Password Reset switch
4 RJ45 port status LED
S 9 AC power input connector
5 Four slots for SFP interface modules
(Mini-GBICs)
10 RPS connector for SecureStack PoE
redundant power supply connection
C3G124-48P