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Connectors: Zone 2
10007175-02 KAT4000 User’s Manual
12-3
• Six signal pairs (12 pins) are available to support the optional Synchronization Clock
Interface (J20) for 8 KHz, 19.44 KHz, and user defined clocks
• Ten signal pairs are available for an optional Update Channel interface (J20)
Figure 12-2: Zone 2 Connectors, J20 and J23, and Zone 3 Connectors, J30-J32
Table 12-2: Zone 2 Connector, J20 Pin Assignments
In Table 12-3, example B1_Dx[m]p signifies:
• x is the differential pair (A-D)
Row: A B C D
1 CLK1A+ CLK1A- CLK1B+ CLK1B-
2
no connect no connect no connect no connect
3 UC_TX2+ UC_TX2- UC_RX2+ UC_RX2-
4 UC_TX0+ UC_TX0- UC_RX0+ UC_RX0-
5-10
no connect no connect no connect no connect
Row: E F G H
1 CLK2A+ CLK2A- CLK2B+ CLK2B-
2 CLK3A+ CLK3A- CLK3B+ CLK3B-
3 UC_TX3+ UC_TX3- UC_RX3+ UC_RX3-
4 UC_TX1+ UC_TX1- UC_RX1+ UC_RX1-
5-10
no connect no connect no connect no connect
10 6 15