Installing the S4820T | 35
Figure 4-9. Two S4820T Systems Connected in a Ring
Connect Three S4820T Systems
To provide backup connectivity and increased data transfer between the systems, Dell Force10
recommends inserting an additional cable between the two units, in a second stacking port, as shown in
Figure 4-10
.
CAUTION: To connect S4820T systems, use only Dell Force10 supported stacking cables.
To connect three S4820T systems in a ring (
Figure 4-10
), starting with the S4820T at the bottom of the
stack, follow these steps:
NOTE: The port numbers in the following procedure are used as examples only.
Step Task
1 Insert one end of the first cable into stack port 60 of chassis 1 (bottom).
2 Insert the other end of the cable into stack port 52 of chassis 2 (center).
3 Insert the second cable into stack port 60 of chassis 2 (center) and port 52 the chassis 3 (top).
4 Use the third cable to connect the top and bottom units by inserting one end of the cable into stack port 56 on
chassis 1 (bottom) and the other end of the cable into stack port 60 on chassis 3 (top).
52 60
48 56
52 60
48 56
Chassis 1
Chassis 2
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