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2007 RuggedCom Inc. All rights reserved Rev100
Table 5 - RJ45 Ethernet port pin-out
NOTE: RuggedCom does not recommend the use of CAT-5 (10/100Base-TX communications)
cabling of any length for critical real-time substation automation applications. However, transient
suppression circuitry is present on all copper ports to protect against damage from electrical
transients and to ensure IEC 61850-3 and IEEE 1613 Class 1 conformance. This means that
during the transient event communications errors or interruptions may occur but recovery is
automatic.
RuggedCom also does not recommended to use these ports to interface to field devices across
distances which could produce high levels of ground potential rise, (i.e. greater than 2500V) during
line to ground fault conditions.
4.3 Fiber Optic Ethernet Ports
Depending on the order code of the product, the RS910L can be equipped with several different
fiber optic ports. The Transmit (Tx) and Receive (Rx) connections of each port must be properly
connected and matched for proper link and operation. The drawings in the following figures show
each fiber optical connector style with a side and top view to allow the user to identify the proper
cable connection orientation.
Figure 15: 10FL ST connector
Figure 16: 100FX MTRJ connector
Figure 17: 100FX ST connector