... insertion of multiple service modules in the same rack and centralized network managementThe interfaces, interface definitions and LED definitions of ... /100M Ethernet interface Order Information SPC-CHAS02AC 19'' rack, managed by network, 18 slots, including 16 data slots and 2 ... power supply: 220V, dual power backupsSPC-CHAS02-DC19'' rack, managed by network, 18 slots, including 16 data slots and 2 ...