Operating Manual 6175.4760.02 – 01 1.13
M3SR Series 4100 Required Power Supply for Transceiver
1.7.3 Required Power Supply for Transceiver
The radio operates on a DC voltage of 28 V DC (28 V DC to 29 V DC). This voltage is pro-
vided as an option by the external R&S IN4000A Power Supply (19" rackmount of 1 height
unit, see Figure 1.4) available for the purpose. The connecting cable between radio and
R&S IN4000A is available on demand. The radio may also be powered by an external battery
(19 V DC to 31 V DC). An automatic switchover facility integrated in the radio provides for
automatic standby switchover in case primary power fails.
Figure 1.4 R&S IN4000A Power Supply
If the transceiver is not supplied by R&S IN4000A, please check the transceiver DC
supply voltage very carefully.
ICN-4D-F-231000-R-D0894-02003-A-01-1
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