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1.5
Cabling Recommendations
All copper Ethernet ports on RUGGEDCOM products include transient suppression
circuitry to protect against damage from electrical transients and conform with
IEC 61850-3 and IEEE 1613 Class 1 standards. This means that during a transient
electrical event, communications errors or interruptions may occur, but recovery is
automatic.
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.
Cable Type
Wavelength (nm) Modal Bandwidth
OM1 (62.5/125)
OM2 (50/125)
a
OM3 (50/125)
a
OM4 (50/125)
a
Laser optimized.
1.6
Precision Time Protocol (PTP) Support
The Precision Time Protocol (PTP) module adds the ability to provide time
synchronization via Ethernet using the Precision Time Protocol (PTP) and Network
Time Protocol (NTP), and to synchronize with an external IRIG-B source.
The PTP module features BNC ports for TTL IN and TTL OUT. It also includes an LED to
indicate when synchronization has been achieved.
Note
The PTP module can only be installed in slot 5. For more information, refer to
"Communication Ports (Page
RUGGEDCOM RS416
Installation Manual, 04/2021, C79000-G8976-1018-10
(MHz·km)
850
200
1300
500
850
500
1300
500
850
1500
1300
500
850
3500
1300
500
100Base-FX
—
2000
—
2000
—
2000
—
2000
23)".
Introduction
1.5 Cabling Recommendations
Distance (m)
1000Base-SX
10GBase-SR
275
—
550
—
550
—
550
—
33
—
82
—
300
—
400
—
5
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