Cabling Switch 3900 Ports; Overview Of Cabling; Fiber Safety Precautions - 3Com SuperStack II 10005622 Getting Started Manual

3com switch getting started guide
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C
ABLING
3
This chapter describes how to cable your
®
SuperStack
II Switch 3900 system for connection to
the network. It gives an overview of module cabling
and describes how to cable:
Fast Ethernet ports
Gigabit Ethernet ports
System console port
When all your Ethernet, Gigabit Ethernet, and system
network connections are complete, see Chapter 4.
If you are staging the system, you do not need to
connect it to the network at this point. See Chapter 4
to start your system before you cable it.

Overview of Cabling

The Switch 3900 system is a fixed-configuration LAN
switch with:
24 or 36 shielded, 10/100BASE-TX (RJ-45) Ethernet
ports on the front panel
One fixed Gigabit Ethernet port on the back panel
Two Gigabit Ethernet expansion slots for optional
Gigabit Ethernet modules on the back panel
S
3900 P
WITCH
ORTS

Fiber Safety Precautions

SuperStack II Switch 3900 modules use lasers in their
fiber optic ports. To ensure your safety when you
install or work with these modules, comply with the
following precautions.
WARNING: The fiber optic lasers used in these
modules meet the regulatory requirements for casual
exposure to the eye. As with any source of bright
light, however, 3Com recommends that you do not
look into the laser light source.
IEC 825, Class 1 Laser Devices are for connection only
to Class 1 Laser Devices. MMF and SMF fiber optic
interfaces use lasers.
LASER PRODUCT
CLASS 1

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