Description 21Figure 4Circuit card assignments in the Chassis ExpanderThe following is an example of a common Main Chassis configuration:• one SSC card in slot 0• one analog line card in slot 1, 2, or 3• one digital trunk card in slot 1, 2, or 3• one analog trunk card in slot 1, 2, or 3• one NTDK16, 48-port Digital Line Card in slot 4The following is an example of a common Chassis Expander configuration:• line cards in slots 7, 8, and 9• Meridian Mail in slot 10PowerThe Universal Power Supply (UPS) unit is installed in the Chassis before itis sent to the customer and requires no installation by the customer. Thepower supply operates on standard line voltages of 100–240 V AC. Totaloutput power is 363 Watts.Note: The Chassis system does not support DC power input.A UPS can provide reserve AC power. The Chassis system does notsupport battery backup.Nortel Communication Server 1000Communication Server 1000M and Meridian 1 Small System OverviewNN43011-110 01.01 StandardRelease 5.0 30 May 2007Copyright © 2003 - 2007, Nortel Networks.