57
2.3.1.2. Connection Diagram for MT8821C 3DL/1UL CA
2.3.1.2.1. Connection using Main Connector
This example shows the connection diagram for the 3DL/1UL CA condition. The DL signals of PCC, SCC1 and SCC2
are combined by the internal combiners of MT8821C and output at Main1 connector of Phone1.
<Connection Diagram>
<Internal Routing Diagram>
Figure 2.3.1-3 Connection Diagram and Internal Routing Diagram for 3DL /UL CA, Tx and Rx Test
(MT8821C, using dividers)
[Routing setting procedure]
1. Execute TXOUT 1, MAIN to set the output connector System Config – Routing(Phone1) - Tx1 to Main.
2. Execute TXOUT 2, MAIN to set the output connector System Config – Routing(Phone1) - Tx2 to Main.
3. Execute TXOUT 3, MAIN to set the output connector System Config – Routing(Phone1) - Tx3 to Main.