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4.3 Connection Requirements
C141-E252 53
4.3.3 Ready LED output signal
Figure 4.11 shows a recommended circuit for external LED connection to Ready LED output
signal.
Figure 4.11 Recommended external circuit for Ready LED output
Either +3.3 V or +5 V can be used for external power supply for LED (Vcc). Current limiting
resister (R) value need to be adjusted depend on the Vcc voltage. For +3.3 V Vcc voltage,
recommended resistance is 220 Ω. For +5 V Vcc voltage, recommended resistance is 330 Ω.
4.3.4 Connector requirements
Table 4.3 lists the recommended connectors for the host system.
Table 4.3 Recommended connectors
Manufacture Part number Remarks
1735104-1 Hybrid (SMT/Dip) type
1735105-1 SMT type
1735164-1 Press Fit Type
Tyco Electronics AMP
1735234-1 Press Fit Type