Transmitter output (optical)
and receiver input
The values correspond to those of the permitted MM900 media modules
and SFP transceivers.
Diagnostics port RJ-11 jack
Table 8-58 Electrical data: Power supply
Device version
(power supply)
Redundant
power supply
unit
Redundant power
supply possible
Power supply
(min./max. range)
1 x 24 to 48 VDC No Yes 24 to 48 VDC
(19.2 to 57.6 VDC)
2 x 24 to 48 VDC Yes Yes 24 to 48 VDC
(19.2 to 57.6 VDC)
1 x 100 to 240 VAC / 60 to
250 VDC
No No 100 to 240 VAC
(80 to 276 VAC)
60 to 250 VDC
(48 to 300 VDC)
2 x 100 to 240 VAC / 60 to
250 VDC
Yes No 100 to 240 VAC
(80 to 276 VAC)
60 to 250 VDC
(48 to 300 VDC)
Table 8-59 Electrical data: Current consumption and power loss
Device version
(power supply)
Current consumption Effective power loss
24 to 48 VDC 1.6 to 0.75 A 40 W
100 to 240 VAC / 60 to 250 VDC 0.6 to 0.37 A (AC)
0.7 to 0.17 A (DC)
42 W (AC)
42 W (DC)
Table 8-60 Electrical data: Overcurrent protection
Device version
(power supply)
Overcurrent protection of the power supply
Non-replaceable fuse
1 x 24 to 48 VDC 1 x T2H / 250 V
2 x 24 to 48 VDC 2 x T2H / 250 V
1 x 100 to 240 VAC / 60 to 250 VDC 1 x T2H / 250 V (AC)
1 x T2H / 300 V (DC)
2 x 100 to 240 VAC / 60 to 250 VDC 2 x T2H / 250 V (AC)
2 x T2H / 300 V (DC)
Technical specifications
8.6 XR-300M EEC technical specifications
SCALANCE X-300
Operating Instructions, 11/2019, A5E01113043-24 183
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