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The Catalyst Inline Power Patch Panel extends the features and functionality of

the award-winning Catalyst family of switches.

The Catalyst Inline Power Patch Panel enables inline power

for Cisco multiservice enabled Catalyst switches. This

product supports a new feature called inline power. Inline

power is 48-volt DC power provided over standard Category

5 unshielded twisted-pair (UTP) cable up to 100 meters.

Instead of requiring wall power, terminal devices such as IP

telephones can utilize power provided from the Catalyst

Inline Power Patch Panel. This capability gives the network

administrator centralized power control, which translates

into greater network availability. By deploying Catalyst gear

with uninterruptable-power-supply (UPS) systems in secured

wiring closets, network administrators can ensure that

building power outages will not affect network telephony

connections.

The inline power feature will work over a customer’s

existing Category 5 UTP installations. The Catalyst inline

power implementation passes the required domestic and

international safety regulations and compliance measures.

These modules are fully compliant with the 802.3 standard

when no inline power is supplied. The 802.3 standard does

not include specifications for providing power over the

Ethernet. This omission will be amended by the 802.3af task

force currently under way in the Institute of Electrical and

Electronic Engineers (IEEE). Cisco is committed to

standards-based operation and will support the IEEE in its

efforts to add Ethernet power specifications to the 802.3

Ethernet standard.

The Cisco phone discovery feature eases the network

management burden by automating the inline power feature.

With phone discovery, the Catalyst Inline Powered Patch

Panel automatically detects the presence of an IP phone

and supplies inline power. This means that network

administrators can maintain centralized control without the

need to manually enable each port to supply inline power.

The phone discovery mechanism is intelligent enough to

differentiate between an IP phone and a network interface

card (NIC), and will not supply inline power to a NIC or