jotron RA-7203C, Operator'S Manual, Page: 27 / 88

Jotron AS| TR7750C: Operators Manual
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Functional description Page 3-14
P/N: 84748 (G)
3.6 Power Supply Unit rear connectors.
Figure 3.6-1, Power supply unit - rear view
3.6.1 DC input connector (Amphenol MS 3106A 10SL4S)(Jotron P/N: 96715)
The DC input is connected to the DC backup supply (if available).
Input range is 21.6 - 31.2 VDC and current consumption is max 9A average when the transmitter
operates with full power output (50W).
A is the positive (+) connection and B is connected to ground (-).
Figure 3.6-2, DC input connector, PSU
3.6.2 DC Output Connector(Amphenol MS 3106A 12S3P)(Jotron P/N: 93697)
The DC output connector is connected to the transmitter unit and contains the +28V DC supply for
the transmitter. The DC is generated from the main AC input or the DC backup input.
Figure 3.6-3, DC output, PSU
A
is the positive connector pin (+) and B is connected to ground (-).