Kazi: Subscriber Line Interface Concept (SLIC), Kiolesura: SPI, Idadi ya Mizunguko: 1, Voltage - Ugavi: 3.13V ~ 5.25V, Ugavi wa Sasa: 88mA, Nguvu (Watts): 700mW,
Kazi: Framer, Line Interface Unit (LIU), Kiolesura: E1, HDLC, J1, T1, Idadi ya Mizunguko: 1, Voltage - Ugavi: 1.8V, 3.3V, Ugavi wa Sasa: 80mA, Nguvu (Watts): 250mW,