SP319 lines equivalent, 20mbps / 5v-only v.35 interface with rs-232 v.28 control lines.
Circuit +5V Pinout 80 R1OUT 79 RCOUT3 78 R2OUT 77 RCB3 76 RCA3 75 NC 74 NC 73 VCC 72 GND 71 RCB1 70 RCA1 69 NC 68 R2IN .
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