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4.3 Connection Requirements
C141-E235 4-9
(5) Noise filter
To eliminate AC line noise, a noise filter should be installed at the AC input terminal on the HDD
power supply unit. The specification of this noise filter is as follows:
• Attenuation: 40 dB or more at 10 MHz
• Circuit construction: T-configuration as shown in Figure 4.8 is recommended.
Figure 4.8 AC noise filter (recommended)
4.3 Connection Requirements
4.3.1 Connector
Figure 4.9 shows the location of interface connector.
Interface connector (CN1)
(including power supply)
Figure 4.9 Connector location