SITE PREPARATION2-6 Edition One XC1000 Serviceavailable and a power converter is required. The customer is responsible forany equipment needed to provide –48 Vdc to the XC1000 site. Table 2-2lists input current requirements for single- and dual-cabinet XC1000s.Table 2-2. Input Current Requirements.Parameters RequirementInputvoltage–48 Vdc (–42 to –56 Vdc)InrushcurrentSinglecabinetDualcabinet1000 A for 150 ms (standard power supply)100 A for 10 ms (hot-plug power supply)2000 A for 150 ms (standard power supply)200 A for 10 ms (hot-plug power supply)CurrentSinglecabinetDualcabinet30 A45 ABring the power connections (the –48 Vdc, return, and ground) to thelocation of the power-distribution shelf of cabinet 1. Leave the circuitinactive until the power cables are connected to the XC1000. Refer tosection 2.6 for wire termination locations.2.6 CABLING REQUIREMENTSA number of external cables are required for the XC1000. All RS-232 datalinks for integration, remote terminals, switching control-center system(SCCS), and simplified message desk interface (SMDI) require a customer-supplied data set if the equipment is located more than 50 feet (17 meters)from the XC1000.Use shielded cables for all telephony and data connectionsto external hardware.Caution!Figure 2-4 shows the general locations of the wiring terminations for theXC1000 cabinet.SECTION 2.5 – 2.6