Siemens X-400 Possible Settings of the Ring Ports, Switch1, Switch2, Switch3

Installation and Commissioning

Possible Settings of the Ring Ports

Note

Only two ports of a switch can ever be defined as ring ports. All other ports in slots 6 and 7 that are not defined as ring ports can be used for the optical connection of nodes or subnets.

●Switch 1:

In the schematic below, switches R1 and R2 are set to OFF.

●Switch 2:

In the schematic below, switch R1 is set to ON and R2 is set to OFF.

●Switch 3:

In the schematic below, switch R1 is set to OFF and R2 is set to ON.

	Switch1		Switch2				Switch3
P1	P1	P1	P1	P1	P1	P1	P1	P1
P2	P2	P2	P2	P2	P2	P2	P2	P2
5	6	7	5	6	7	5	6	7
	Port2
Port1			Port1		Port2	Port1		Port1

Figure 6-22 The three possible settings for ring ports with R1 and R2

104	Operating Instructions for SCALANCE X-400 Industrial Ethernet Switches
	C79000-G8976-C186-03