Dual-Speed Stackable Hubs User’s Guide
Unpacking and Setup10
This 9-pin serial connector is used for connecting a console to the DFE-
2600 series master hubs for out-of-band management of this particular
hub or the entire stack.
♦ Fan
Provides air circulation and heat dissipation. Be sure to leave adequate
space at the rear of the unit for proper ventilation.
♦ AC Power Connector
For the power cord.
Installing the Hub
Installation
The site where you install the hub stack may greatly affect its performance.
When installing, consider the following pointers:
♦
Install the hub stack in a fairly cool and dry place. See Appendix D,
Specifications
, for the acceptable temperature and humidity operating
ranges.
♦
Install the hub stack in a site free from strong electromagnetic field
generators (such as motors), vibration, dust, and direct exposure to
sunlight.
♦
Leave at least 10cm of space at the front and rear of the hub for ven-
tilation.
♦
Install the hub on a sturdy, level surface that can support its weight, or
in an EIA standard-size equipment rack. For information on rack in-
stallation, see the next section,
Rack Mounting.
