Basic Documentation

Overview
Networking Ethernet/IP networks
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● Easy troubleshooting
● Managed and unmanaged switches can be used
● Very high speed and short latency
Disadvantages:
● High cabling expense
● Communication failure for a defective star point (no redundancy)
Networking in a daisy chain topology (Line topology)
Benefits:
● Inexpensive
● Low cost for cabling
● Fewer switch ports required
Disadvantages:
● The loss of a device interrupts all communications to downstream devices
● Difficult overview and difficult to troubleshoot
● The latency of data transmission increases linearly with the number of downstream connected
components; the probably of failure exponentially.
Only suitable where price is decisive or on non-critical system, such as are located in normal office
buildings.
Networking in a ring topology
Benefits:
● A stand-by line results in high reliability
● Suitable for all network sizes
● Easy troubleshooting
● High speed with average latency times
Disadvantages:
● High cabling and engineering costs and managed layer 2 switch with RSTP
● Alarming and network management recommended
● Comprehensive expert knowledge required for engineering
In the event of a fault, switching the communication paths on DXR2.E../PXC3.E.. can take between 10 and
30 seconds. IT should monitor switches to notify the superposed system of a failure.
Max. 20 DXR2.E.. / PXC3.E..