HP J4865A User Manual - Page 25

Prepare the Installation Site, Cabling Infrastructure - poe

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Installing the Series 4100gl Switches Installation Procedures 1. Prepare the Installation Site Cabling Infrastructure Ensure the cabling infrastructure meets the necessary network specifications. See the following table for cable types and lengths, and see appendix B, "Cables and Connectors" for more information: Table 2-1. Summary of Cable Types to Use With the Switch Port Type Cable Type Length Limits Twisted-Pair Cables 10/100/1000Base-T For either 10, 100 Mbps, or 1000 Mbps operation: Category 5 or better, 100-ohm UTP or shielded twisted-pair (STP) balanced cable. For 1000 Mbps (gigabit) operation, Category 5E cabling or better is recommended. 100 meters Note: The Switch 2800 Series devices are compatible with the IEEE 802.3ab standard including the "Auto MDI/MDI-X" feature, which allows use of either straight-through or crossover twisted-pair cables for connecting to any network devices including end nodes, such as computers, or to other switches, hubs, and routers. Note: For 1000 Mbps operation, all four wire pairs are used for data transmission, therefore PoE is not supported for 1000 Mbps operation. Installing the Series 4100gl Switches 2-5

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Installing the Series 4100gl Switches
Installation Procedures
1. Prepare the Installation Site
Cabling Infrastructure
Ensure the cabling infrastructure meets the necessary network specifications.
See the following table for cable types and lengths, and see appendix B,
“Cables and Connectors” for more information:
Table 2-1.
Summary of Cable Types to Use With the Switch
Port Type
Cable Type
Length Limits
Twisted-Pair Cables
10/100/1000Base-T
For either 10, 100 Mbps, or 1000 Mbps
operation:
Category 5 or better, 100-ohm UTP or shielded
twisted-pair (STP) balanced cable. For
1000 Mbps (gigabit) operation, Category 5E
cabling or better is recommended.
100 meters
Note:
The Switch 2800 Series devices are
compatible with the IEEE 802.3ab standard
including the “Auto MDI/MDI-X” feature,
which allows use of either straight-through or
crossover twisted-pair cables for connecting
to any network devices including end nodes,
such as computers, or to other switches, hubs,
and routers.
Note:
For 1000 Mbps operation, all four wire
pairs are used for data transmission, therefore
PoE is not supported for 1000 Mbps operation.
Switches
Installing the Series 4100gl
2-5