Site Preparation
Page 30 7210 SAS-D Installation Guide
Site Preparation
Selecting a Site
You can mount the 7210 SAS-D in a standard 19-inch equipment rack, on a flat
surface or mount it on a wall. When mounting on a flat surface, ensure that the four
rubber feet are installed on the bottom of the box.
The site should be a weather-protected and temperature-controlled location, and
should include the following criteria:
• Maintain site temperature within 0º to 40º C (32º to 140 ºF) and its humidity
within 5% to 95%, non-condensing.
• For 7210 SAS-D ETR maintain the site temperature within the extended
temperature range.
• Allow at least 3 inches of space on all side of the unit to enable servicing and
proper air flow.
• Ensure a secure environment in which only authorized and trained service
personnel are allowed to service the unit (IEC 60950 safety requirement).
Ethernet Cabling
To ensure proper operation when installing switches into a network, make sure that the
cables are suitable for 100/1000 fiber-optic or 10/100/1000Base-T copper operation,
as appropriate. Make sure your installation complies with the following guidelines:
• Cable type: Unshielded twisted pair (UTP) or shielded twisted pair (STP)
cables with RJ-45 connectors; Category 3 or better for 10BASE-T, Category 5
or better for 100BASE-TX, and Category 5, 5e or 6 for 1000BASE-T.
• Make sure that your cables are not damaged and the RJ-45 connectors are well
connected.
• For interbuilding connection use fiber-optic cables.
• Copper ports are intended to be used for indoor applications only, suitable for
connection to intrabuilding or unexposed wiring or cabling only. The intra-
building ports of the equipment must not be metallically connected to
interfaces that connect to the OSP or its wiring. These interfaces are designed
for use as intra-building interfaces only (Type 2 or Type 4 ports as described in
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