Introduction
1.5.1 Supported Fiber Optic Cables
Siemens also does not recommend using copper Ethernet ports to interface with
devices in the field across distances that could produce high levels of ground
potential rise (i.e. greater than 2500 V), during line-to-ground fault conditions.
1.5.1
Supported Fiber Optic Cables
The following fiber optic cable types are supported under the stated conditions.
Distance (m)
Cable Type
Wavelength (nm) Modal Bandwidth
(MHz·km)
100Base-FX
1000Base-SX
10GBase-SR
850
200
—
275
33
OM1 (62.5/125)
1300
500
2000
—
—
850
500
—
550
82
OM2 (50/125)
1300
500
2000
—
—
850
1500
—
550
300
OM3 (50/125)
1300
500
2000
—
—
850
3500
—
550
400
OM4 (50/125)
1300
500
2000
—
—
Laser optimized.
RUGGEDCOM RS900L
Installation Manual, 04/2021, C79000-G8976-1027-09
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