2.1.4 IP4WW-Battery BoxConnected to each KSU power supply, the external backupbattery provides DC power in case a loss of AC poweroccurs. An optional (locally procured), external batterysource can be used to provide power during a power failure.• Connect this box to the power supply at each KSU.• Wall/floor-mountable• One KSU can be mounted on the Battery box.• Backup duration is approximately one hour.2.2 Trunk/Extension/ISDN Expansion Interface Cards2.2.1 IP4WW-408E-A1This 408E card is installed in the 1632M KSU or 1632MEEXP and provides a total of four analog trunk and eighthybrid extension ports.• Install this card to the expansion card slot at Main/Expansion KSU• Enables to connect the DSS console to hybrid Ext. portNo.8• 1 power failure transfer circuit2.2.2 IP4WW-008E-A1This 008E card is installed in the 1632M KSU or 1632MEEXP and provides a total of eight hybrid extension ports. TheISDN BRI daughter board (2BRDB) can be mounted on thisboard.• Install this card to the expansion card slot at Main/Expansion KSU• Enables to connect the DSS console to hybrid extensionport No.8• One ISDN BRI daughter board connectionISSUE 3.0 SL1000Hardware Manual 1-5
