The device supports 2 Trunking groups. Each group support 2-4 port trunking.
Trunking Notes
1.
The action of Trunking member is the same, so configuration sub-items of each member (port properties, VLAN
properties) are the same in a group.
2.
If you don't confirm RSTP status, please disable RSTP,or close the others, leaving one RSTP channel.
3.
Port 1 as a system reservation cannot be used as Trunking port. 4. Trunking port cannot be Ring port any more.
Rapid Ring
It is very important to possess redundant communication in industrial network. Redundancy can protect
important link from failure. With it network will auto-recover and runs normally when it is broken.
Redundant communication allows redundant ring enable backup data link when the wire is broken up or
destroyed. It is very important feature for industrial application for it will take great loss maybe if it takes a
long time to locate the broken or destroyed wires.
RLH-ESMXXXX-XX-X series switch supports redundant communication with SW-Ring technology. SW-Ring
technology provides auto-recovery and reconnection mechanism for broken network. When network is
broken, it has link redundancy and self-recovery capability and self-recovery time is less than 20ms. RLH-
ESMXXXX-XX-X series supports maximum 2 ring groups. Each group set up 2 ports as Ring Port and a port
cannot belong to several rings.
Hello_time setting is time interval of sending detecting packet to network at regular time. The unit is ms. Its
main purpose is to detect network connection. It sends a detecting packet to next door devices by CPU. If
they receive it, then reply a confirm packet to ensure network connection is active. If this setting will influence
self-recovery time, we suggest advanced users can use it.
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Configuring the System
35
