NonStop S-Series Planning and Configuration Guide (G06.29+)

Enclosure Arrangements and Cable Connections
HP NonStop S-Series Planning and Configuration Guide—523303-021
7-9
Different-Row Connections
Different-Row Connections
If you are connecting two enclosures that are in different rows, you must calculate the
length of the ServerNet cable you need. This length depends on:
•
The arrangement of the enclosures
•
Whether the enclosures to be connected are directly opposite each other
If the enclosures are not directly opposite each other, the cable must cross the
service aisle and then extend down the other row to reach its enclosure.
•
Whether you are connecting each SEB to another SEB or an IOMF CRU
•
The dimensions of the components of your system
•
The width of the service aisle between the rows of enclosures
HP requires that a service aisle be a minimum of 48 inches wide.
•
For cables that will be routed under a raised floor or overhead in cable troughs, the
amount of slack you prefer cables to have
•
Whether the cable will be part of a bundle of cables at either end
If you are bundling together a large group of cables, you will need extra slack in
each cable in that group.
•
The number of cables that will be tied together with one cable tie at the back of
each enclosure
If you will be tying together a large group of cables, you need extra slack in each
cable in that group. How much slack you need depends on the size of that group of
cables. For more information, contact your service provider.
•
Whether the enclosures are facing the same direction
For Information About... Page
Dimensions of System Components
B-7
Dimensions of Enclosures and Service Aisles B-8
Dimensions Within an Enclosure (Service Side) B-9
Note. Do not lay a cable under or over a service aisle diagonally. Keep the cable at right
angles to the service aisle. If, after you have laid the cable perpendicular to the aisle, you then
want to route the cable to an enclosure further down the row, use the cable tie-downs and
cable channels on each system enclosure as though you were connecting two enclosures in
the same row.