This is a user manual for 73M1966B Demo Board
This manual describes the Teridian 73M1966B Demo Board, its intended use with the 73M1966/1866 Demo Motherboard or as a stand‑alone evaluation board. It includes package contents, safety and ESD precautions, connector pin assignments, and instructions for connecting the board to existing systems or directly to a PCM test set.
Additional sections cover ordering numbers, related documentation, and contact information for sales and support. The document also references the 73M1866B/73M1966B Data Sheet and GUI User Guide for further configuration details.
| Power supply voltage (pin 2) | 3.3 V |
|---|---|
| Power supply voltage (pin 4) | 3.3 V |
| Audio monitor output pin | Pin 10 (AUDIO) |
| Maximum blue‑wire length | 8 inches (20 cm) |
| TIP/RING current range | 20 – 100 mA (typ. 40 mA) |
The board is ESD‑sensitive and may have hazardous live voltages, so ESD precautions and extreme caution are required.
Use the 20‑pin J1 connector with 30 AWG wire, keeping the wire length under 8 inches (20 cm) and ensure proper ground connections.
Table 5 lists the part numbers and packaging marks for the 73M1966B and related demo boards.