Peripheral cabinet modules 125Note: The SPM is supported by both the SuperNode and SuperNodeSE.The SPM directly terminates an OC-3 SONET carrier and feeds theindividual traffic from the carrier into the Meridian SL-100 switch. TheSPM does not need external cross connects or multiplexers to bring thecarrier down to the T1 level, because this is handled internally. The SPMterminates a single OC-3 fiber trunk which represents more than fourtimes as many trunks as a single DTC. Refer to Figure 57 "SPM within theMeridian SL-100 switch" (page 125).Figure 57SPM within the Meridian SL-100 switchCabinetized International Peripheral EquipmentThe CIPE is used primarily in the European market to support the E1standard. It is the international version of the Cabinetized Control PeripheralEquipment (CCPE). The CIPE contains two dual-shelf Extended PeripheralModules (XPMs) configured as either Line Group Controllers (LGC)or Digital Trunk Controllers (DTC). Each shelf contains two LGC/DTCprocessor boards.Communication Server 2100Meridian SL-100 Product Guide555-4001-103 20.01 StandardSE09 20 October 2006Copyright © 2006, Nortel Networks Nortel Networks Confidential.