WS-C3750X-48P-S

Cisco Catalyst 3750-X Series Switch

Stackable 48 10/100/1000 Ethernet PoE+ portsFour optional uplink network modules with GE or 10GE portsDual redundant, modular power supplies and fansMedia Access Control Security (MACsec) hardware-based encryptionFlexible NetFlow and switch-to-switch hardware encryption with the Service Module uplinkUSB Type-A and Type-B ports for storage and console respectively and an out-of-band Ethernet management portStackWise PlusCisco StackPowerTM technology: An innovative feature and industry first for sharing power among stack membersCisco StackWise Plus technology for ease of use and resiliency with 64 Gbps of throughputInvestment protection with backward compatibility with all other models of Cisco Catalyst 3750 Series Switches   Cisco Catalyst 3750-X Series Switches support 4 optional network modules for uplink ports (Figure 1); The default switch configuration doesn't include the uplink module; When purchasing switch, customers have flexibility to choose any group of network modules described below:

Product Number	Product Description
C3KX-NM-1G	Four GbE port network module
C3KX-NM-10G	Two 10GbE SFP+ ports network module with four physical ports with two SFP+ and two regular SFP ports
C3KX-NM-10GT	Two 10GB-T ports network module
C3KX-SM-10G	Service Module with two 10GbE SFP+ ports network module for Netflow and MACsec encryption

Dual Redundant Modular Power Supplies Cisco Catalyst 3750-X Series and 3560-X Series Switches support dual redundant power supplies (Figure 2); One power supply is shipped with the switch by default; Other power supply/suppliers can be purchased when ordering the switch or next time according to your needs. If only one power supply is installed, it should always be in the power supply bay 1. Table below shows the different power supplies available in these switches and available PoE power. Power Supply Models

Models	Default Power Supply	Available PoE Power
24 Port Data Switch	C3KX-PWR-350WAC	-
48 Port Data Switch
24 Port PoE Switch	C3KX-PWR-715WAC	435W
48 Port PoE Switch
48 Port Full PoE Switch	C3KX-PWR-1100WAC	800W
24 Port UPOE Switch	C3KX-PWR-1100WAC	800W
48 Port UPOE Switch

  Besides the above power supplies, a 440W DC power supply is available as a spare (should be ordered separately) on all switch models; The DC power supply also delivers PoE capabilities for maximum flexibility, (please refer to table 7 for available PoE for different configurations); Customers can mix and match the AC and DC power supplies in the two available power supply slots. Any of these power supplies can be installed in any of the switches. Available PoE with DC power supply

Model	# of 440W DC PS	Total Available PoE Budget
24-Port PoE Switch	1	220W
	2	660W
48-Port PoE Switch	1	185W
	2	625W
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

Cisco Catalyst 3750-X Series Switch WS-C3750X-48P-S is an enterprise-class lines of stackable and standalone switches, respectively. Catalyst 3750-X switches provide high availability, scalability, security, energy efficiency, and ease of operation with innovative features such as Cisco StackPower, IEEE 802.3at Power over Ethernet Plus (PoE+) configurations, optional network modules, redundant power supplies, and Media Access Control Security (MACsec) features. Cisco Catalyst 3750-X Series with StackWise Plus technology provides scalability, ease of management and investment protection for the evolving business needs. The Cisco Catalyst 3750-X switches enhance productivity by enabling applications such as IP telephony, wireless, and video for borderless network experience.