Cisco Systems IE 3010 Manual De Usuario
1-6
Cisco IE 3010 Switch Hardware Installation Guide
78-19581-02
Chapter 1 Product Overview
Cable Side
SFP Module Patch Cable
The switch uses an SFP-module patch cable, a 0.5-meter, copper, passive cable with SFP module
connectors at each end (see
connectors at each end (see
). The patch cable connects two switches in a cascaded
configuration.
Figure 1-3
SFP-Module Patch Cable
See the
for information
about using the SFP module patch cable.
You can order this cable (part number CAB-SFP-50CM=).
Power-Input Terminal
The power-input terminal provides screw terminals for the AC and DC power connections. The switch
can operate with one or two power supplies. If one of the power sources fail, the other continues to power
the switch. See
can operate with one or two power supplies. If one of the power sources fail, the other continues to power
the switch. See
for information.
Figure 1-4
Power-Input Terminal
Alarm Ports
The switch has four alarm inputs and one alarm output. The alarm setting is open or closed.
•
Open means that the normal condition has current flowing through the contact (referred to as a
normally closed contact). The alarm is generated when the current stops.
normally closed contact). The alarm is generated when the current stops.
•
Closed means that no current flows through the contact (referred to as a normally open contact). The
alarm is generated when the current flows.
alarm is generated when the current flows.
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