Cisco 3750 Series 48 Port Stackable PoE Switch, WS-C3750-48PS-S, Refurbished, Original

Cisco Catalyst 3750 Series | 48 Port | 10/100 PoE + 4 x SFP Uplinks | IP Base | Stackable | WS-C3750-48PS-S

The Cisco Catalyst 3750 Series is an enterprise-class, stackable Layer 3 switch designed for access-layer deployments in branch offices and wiring closets. The WS-C3750-48PS-S model features Power over Ethernet (PoE) capability across 48 Fast Ethernet ports, with 4 Gigabit SFP uplink ports for high-performance connectivity. It supports Cisco StackWise technology for scalability and high availability.

Key Features:

• 48 x 10/100 Ethernet Ports with PoE (RJ-45)

• 4 x Gigabit SFP Uplink Ports

• IP Base Software Image – Supports Layer 3 features including static routing and RIP

• Stackable via Cisco StackWise – Up to 9 units per stack (32 Gbps stack bandwidth)

• 1 Rack Unit (1RU) Form Factor

Performance:

• Switching Capacity: 32 Gbps (64 Gbps switching fabric)

• Forwarding Rate: 13.1 Mpps

• PoE Budget: 370W total (up to 15.4W per port)

• MAC Address Table Size: 12,000 entries

• DRAM: 128 MB

• Flash Memory: 16 MB

Software Features (IP Base):

• Layer 2 and Basic Layer 3 Support

  • VLANs, Trunking, STP/RSTP/MSTP

  • Static Routing, RIP

• Security

  • Port Security

  • DHCP Snooping

  • 802.1X Authentication

  • Access Control Lists (ACLs)

• Quality of Service (QoS)

  • Classification and prioritization of traffic

  • Weighted Round Robin (WRR)

• Management

  • SNMP v1, v2c, v3

  • CLI via console or Telnet/SSH

  • Cisco Network Assistant

  • RMON, Syslog, NTP

Standard Protocols & Technologies:

• Cisco Discovery Protocol (CDP)

• Link Aggregation (LACP, PAgP)

• Unidirectional Link Detection (UDLD)

• IGMP Snooping

• VLAN Trunking Protocol (VTP)

• Auto-MDIX

• Loop Guard, BPDU Guard

• Trivial File Transfer Protocol (TFTP)

• Multicast and Broadcast Storm Control

Power and Environmental:

• Internal Power Supply: AC 100–240V, 50–60Hz

• Power Redundancy: Supports RPS 2300 (optional)

• Typical Power Consumption: ~60–130W depending on PoE load

• Operating Temperature: 0°C to 45°C

• Fan Cooled