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SecureStack A2 Installation Guide 1-3
Figure 1-1 A2H254-16 Stackable Switch
Stack Connections
Theswitchhasfront‐panelRJ45ports17and18forconnectionsinastackconfiguration.
ThestackingcablesusedfortheconnectionsarestandardCategory5orbetterUTPcables.
Redundant Power Supply Capability
TheSecureStackA2haspowersupplyredundancycapabilitywhenconnectedtoan
optionalexternalredundantpowersupply(RPS).Iftheinternalpowersupplyfails,the
RPSassumestheentireloadofthe
SecureStackA2withoutinterruptingnetworktraffic.
TheinternalpowersupplyandRPSeachhavetheirownACpowerconnection,which
enablestheconnectionofeachpowersupplytoadifferentACpowercircuitfor
additionalACpowersourceredundancy.
1 DB9 RS232 Console port connector 7 Stack and MGBIC port status LEDs
2 Recessed password reset button 8 RJ45 ports for stack connections
3 Stack Unit status LED
S 9 SFP interface slots (Mini-GBICs)
4 Status LEDs for ports 1-16 10 C2RPS-SYS connection
5 8 RJ45 ports (Odd numbered 1-15) 11 AC power input connector
6 8 MT-RJ ports (Even numbered 2-16)
Caution: The A2H254-16 is not a PoE-compliant device. Do not connect a SecureStack
PoE Redundant Power System (C2RPS-POE) to the power connector. Otherwise,
damage to the device may result.
Precaución: Los dispositivos A2H254-16 no cumplen con el estándar PoE (power over
ethernet). No conecte una fuente de poder redundante (RPS) SecureStack PoE (C2RPS-
POE) al cable de corriente. De lo contrario, el dispositivo puede dañarse.