Hirschmann RS20 User Manual

Operation Diagnosis
Basic Configuration
Release 6.0 07/2010
9.5 Event Counter at Port Level
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9.5 Event Counter at Port Level
The port statistics table enables experienced network administrators to
identify possible detected problems in the network.
This table shows you the contents of various event counters. In the Restart
menu item, you can reset all the event counters to zero using "Warm start",
"Cold start" or "Reset port counter".
The packet counters add up the events sent and the events received.
Counter Possible detected problem
Received fragments – The controller of the connected device is inoperable
– Electromagnetic interference in the transmission medium
CRC error – The controller of the connected device is inoperable
– Electromagnetic interference in the transmission medium
– Defective component in the network
Collisions – The controller of the connected device is inoperable
– Network overextended/lines too long
– Collision of a fault with a data packet
Table 24: Examples indicating possible detected problems
 Select the Diagnostics:Ports:Statistics dialog.
 To reset the counters, click on "Reset port counters" in the
Basics:Restart dialog.

Hirschmann RS20 Specifications

General

Mounting	DIN Rail
Operating Temperature	-40°C to +70°C
Protection Class	IP30
Switching Technology	Store-and-Forward
Product Type	Industrial Ethernet Switch
Port Details	10/100 Mbps Ethernet ports
Switching Capacity	3.2 Gbps
MAC Address Table	8k
Management	Web, SNMP
Redundancy	MRP
Ports	8 or 16