Digital Service Access Devices (CSU/DSUs)

Product	Description
FCD-2L	E1 or Fractional E1 Access Unit
FCD-24	Integrating E1 Multiplexer
FCD-2	E1 or Fractional E1 Access Unit
FCD-1L	T1 or Fractional T1 Access Unit

Intelligent Customer Located Equipment

Product	Description
PRBi-E3, PRBi-T3	E3, T3 and HSSI Manageable Probes

Inverse Multiplexers

Product	Description
IMXi-4	Managed Inverse Multiplexer
IMX-4E1, IMX-4T1	8/6 Mbps Inverse Multiplexers
IMX-2T1/E1	T1 Inverse Multiplexer

Multiservice Access Multiplexers

Product	Description
Megaplex-2200	Modular Integrated Access Multiplexers
Megaplex-2100H	Frame Relay/TDM/IP Access Multiplexer
Megaplex-2100, Megaplex-2104	Multiservice Access Multiplexers
Megaplex-104, Megaplex-204	Voice Channel Bank
Megaplex-4100	Multiservice Access Node

Multiservice Access Nodes

Product	Description
DXC-4	Fractional E1/T1 Groomer
DXC-30E	Enhanced xDSL Multiservice Access Node
DXC-2	E1 to T1 Converter and Timeslot Cross Connect
DXC-100	Carrier Class Multiservice Access Node
DXC-8R, DXC-10A, DXC-30	Digital Cross Connect

SDH/SONET Access

Product	Description
Optimux-108, Optimux-106	E1/T1 and Ethernet Optical Multiplexers
Optimux-45, Optimux-45L	M13 Multiplexer
Optimux-34	E3 Optical Line Multiplexer
R-STM-1E	STM-1 Synchronous Digital Multiplexer

Signaling Monitoring

Product	Description
PRBm-20	Signaling Monitoring Solution

Universal Multiservice NTUs

Product	Description
FCD-IPM	E1/T1 or Fractional E1/T1 Modular Access Device with Integrated Router
FCD-IPL	E1 Access Unit with Integrated Router
FCD-IPD	Dual E1 Router
FCD-IP	E1/T1 Access Unit with Integrated Router
FCD-E1I	E1or Fractional E1 Access Unit with ISDN S Interface