Remote Console Manager (RCM) cabling
The Remote Console Manager (RCM) switch has sixteen ACT connections (KVM
over RJ45/CAT5) along with one KVM connection for the console. Use the
following guidelines for cabling the RCM switch:
v
Use the information on each end of each cable to create a site map.
v
When routing a CAT5 KVM cable from a cabinet containing Cluster Nodes to
the cabinet containing the RCM, use a CCO cable and a CAT5 cable sufficiently
long enough to reach the RCM switch.
v
Multiple KVM switches can be daisy-chained.
Up to 40 Cluster Nodes (x335s) can be daisy-chained to each ACT port on the
RCM. The Management Node and all the Storage Nodes may also be
daisy-chained, with up to sixteen per ACT port. Multiple RCMs may not be
daisy-chained together. The RCM may be connected to an Ethernet network to
allow for remote access to the consoles of the servers over the network..
Replacing a defective cable in a harness
If a cable in a harness is defective, replace the cable as follows:
1.
Disconnect both ends of the defective cable from their ports. Do not remove
any other connectors from their ports.
2.
If possible, remove the cable from the harness. If that can not be done, use a
pair of wire cutters to cut off the connectors at both ends of the defective cable.
This prevents someone from mistakenly reconnecting the cable, thinking that it
has accidentally been left unconnected.
Figure 9. Intercabinet cabling for KVM connections
Chapter 4. Cabling
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