Giới thiệu chung về Switch Cisco WS-C3750X-12S-E:
- WS-C3750X-12S-E 12 Port GE SFP IP Services
- Stackable 12 GE SFP ports
- Four optional uplink network modules with GE or 10GE ports
- Industry first PoE+ with 30W power on all ports in 1 rack unit (RU) form factor
- Dual redundant, modular power supplies and fans
- Media Access Control Security (MACsec) hardware-based encryption
- Flexible NetFlow and switch-to-switch hardware encryption with the Service Module uplink
- USB Type-A and Type-B ports for storage and console respectively and an out-of-band Ethernet management port
- 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-12S-E 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.
- Thông số chi tiết switch Cisco WS-C3750X-12S-E:
General Information | |
Manufacturer: | Cisco |
Product ID: | WS-C3750X-12S-E |
Product Description: | Catalyst 3750X 12 Port GE SFP IP Services |
Product Type: | Layer 3 Switch |
Interfaces/Ports | |
Token Ring Port: | No |
LRE Port: | No |
Stack Port: | Yes |
I/O Expansions | |
Number of Total Expansion Slots: | 13 |
Expansion Slot Type: | SFP |
Number of SFP Slots: | 12 |
Network & Communication | |
Layer Supported: | 3 |
Management & Protocols | |
Manageable: | Yes |
Management: | · QoS · VLAN · Embedded Event Manager · Command-line interface · SNMPv1, v2c, v3 · DHCP · Telnet · RMON · Syslog · CiscoWorks LAN Management Solution · Cisco Network Assistant |
Memory | |
Standard Memory: | 256 MB |
Memory Technology: | DRAM |
Flash Memory: | 128 MB |
Power Description | |
PoE Port: | No |
Input Voltage: | 110 V AC |
220 V AC | |
Power Source: | Power Supply |
Redundant Power Supply: | Yes |
Physical Characteristics | |
Compatible Rack Unit: | 1U |
Form Factor: | Rack-mountable |
