3.3V DS21352 and 5V DS21552 T1 Single Chip Transceivers
3.3V/5V E1 Single Chip Transceivers (SCT)
E1 Quad Transceiver
3.3V E1/T1/J1 Line Interface
5V E1/T1/J1 Line Interface
5V T1/J1 Line Interface Unit
