Datasheet

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Table 7. Available PoE with DC power supply
Model # of 440W
DC PS
Total Available PoE Budget
1 220W 24-Port PoE Switch
2 660W
1 185W 48-Port PoE Switch
2 625W
Power over Ethernet Plus (PoE+)/Universal Power Over Ethernet (UPOE)
In addition to PoE 802.3af, the Cisco Catalyst 3750-X and 3560-X Series Switches support PoE+ (IEEE 802.3at
standard), which provides up to 30W of power per port and UPOE, which provides 60W of power per port (only on
UPOE-capable models). The Cisco Catalyst 3750-X and 3560-X Series Switches can provide a lower total cost of
ownership for deployments that incorporate Cisco IP phones, Cisco Aironet
®
wireless LAN (WLAN) access points,
or any IEEE 802.3af-compliant end device. PoE removes the need for wall power to each PoE-enabled device and
eliminates the cost for additional electrical cabling and circuits that would otherwise be necessary in IP phone and
WLAN deployments. Table 8 shows the power supply combinations required for different PoE needs. Cisco UPOE
switches extend the IEEE 802.3 PoE+ standard to double the power per port to 60 watts. UPOE-enabled ports can
be used to deliver power for all current PoE/PoE+ solutions in addition to UPOE devices, including VDI clients, IP
turrets for financial trading, personal Cisco TelePresence
®
systems, and more. The maximum UPOE budget
available on the Cisco Catalyst 3750-X/3560-X switch is 1800W per switch. This requires the 1100W AC power
supply in both the power supply slots. 1800W in POE budget makes sure that the 24-port models support full
UPOE on all ports (24 x 60W/port = 1440W) and the 48-port models support up to 30 UPOE connections (30 x
60W/port = 1800W) per switch.
Table 8. Power Supply Requirements for PoE/PoE+ and UPOE models
POE/POE+ 24 Port PoE Switch 48 Port PoE Switch
PoE (15.4W per port) One C3KX-PWR-715WAC One C3KX-PWR-1100WAC
or
Two C3KX-PWR-715WAC
PoE+ (30W per port) One C3KX-PWR-1100WAC
or
Two C3KX-PWR-715WAC
Two C3KX-PWR-1100WAC
or
One C3KX-PWR-1100WAC and one C3KX-
PWR-715WAC
UPOE (60W per port) One C3KX-PWR-715WAC and one C3KX-
PWR-1100WAC
or
Two C3KX-PWR-1100WAC
One C3KX-PWR-715WAC and one C3KX-
PWR-1100WAC
or
Two C3KX-PWR-1100WAC
eXpandable Power System (XPS) 2200
The XPS 2200 is the next-generation redundant power system (RPS). It not only provides the functionalities
offered by the RPS but also provides enhanced services with the support for Cisco StackPower technology. When
used with the Cisco Catalyst 3560-X, it provides RPS functionality, but when used with the Cisco Catalyst 3750-X,
it provides StackPower functionality to all the stack members, including power supply redundancy.