Kazi: Analog Front-End Transceiver, Kiolesura: Serial, Idadi ya Mizunguko: 1, Voltage - Ugavi: 3V ~ 3.6V, Ugavi wa Sasa: 150mA, 220mA, Nguvu (Watts): 2W,
Kazi: Subscriber Line Interface Concept (SLIC), CODEC, Kiolesura: PCM, SPI, Idadi ya Mizunguko: 1, Voltage - Ugavi: 3.3V, 5V, Ugavi wa Sasa: 88mA, Nguvu (Watts): 700mW,
Kazi: Dual Channel Subscriber Line Interface Circuit (DuSLIC), Kiolesura: IOM-2, PCM, Idadi ya Mizunguko: 2, Voltage - Ugavi: 3.3V ~ 5V, Ugavi wa Sasa: 105mA,
Kazi: Line Interface Unit (LIU), Kiolesura: E1, J1, T1, Idadi ya Mizunguko: 4, Voltage - Ugavi: 1.8V, 3.3V, Ugavi wa Sasa: 230mA, Nguvu (Watts): 140mW,