8-Port T1/E1/J1 Transceiver
3.3V E1/T1/J1 Line Interface
Single/Dual/Quad/Octal TDM-Over-Packet Transport Devices
Single/Dual/Quad/Octal TDM-Over-Packet Chip
3.3V DS21352 and 5V DS21552 T1 Single Chip Transceivers
3.3V E1/T1/J1 Quad Line Interface