S3011_1: Long-Wire Data Acquisition (LWDAQ) Interface. Contains LWDAQ transceiver (U1, J1), programmable logic chip (U5), programming connector (P1), and power supply (U4).
S3011_2: SCT Interface. Contains 12-way 0.5-mm flex connector for communication with a subcutaneous transmitter (SCT) such as the A3009, programming connector for the logic chip on the SCT (P2), buffer for SCT analog output, and use of digital signal to drive SCT analog input.
