Cisco Catalyst Switch 3750X-12S Layer 3 – 12 GE SFP ports – IP Base – Managed – Stackable

The Cisco Catalyst 3750-X fiber switches are enterprise-class stackable switches and can be used for aggregation solutions in small core, midmarket, or branch office environments. These switches provide high availability, scalability, security, energy efficiency, and ease of operation with innovative features such as Cisco StackPower™, four optional network modules, redundant power supplies, and Media Access Control Security (MACsec) features.

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

Cisco Catalyst 3750-X Series Switch WS-C3750X-12S-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.