AP-SG4500-52GT-4SFP
48Ports L2 Gigabit Access Switch
- 48x10/100/1000Base-T+4x100/1000Base-X (SFP)
- 1 console, 1 reset port
- AC power supply
- Switching capacity: 104Gbps
- Forwarding rate: 77.4Mpps
Product Overview
The AirPro AP-SG4500-52GT-4SFP is a fully managed Gigabit Ethernet access switch designed to deliver reliable, secure, and cost-effective connectivity for enterprise campus, branch, and service-provider access networks.
Built for business-critical access environments, the switch combines high-density Gigabit Ethernet connectivity with advanced Layer 2 switching, comprehensive security, and flexible management capabilities. Its enterprise-class feature set helps simplify network operations while supporting scalable deployment across wired access infrastructures.
With integrated traffic control, network protection, and management functions, the AP-SG4500-52GT-4SFP provides a dependable foundation for connecting users, devices, and network services at the access layer. It is well suited for enterprise, campus, branch, and carrier access deployments that require consistent performance, operational simplicity, and secure network access.
Key Features
Energy-Efficient Operation
The AirPro AP-SG4500-52GT-4SFP is designed to reduce power consumption without compromising network performance. Support for IEEE 802.3az Energy-Efficient Ethernet helps lower energy usage during periods of reduced traffic activity.
Configurable port LED scheduling allows administrators to disable port indicators during defined time periods, supporting additional energy savings in environments where continuous visual status indication is not required.
The switch also incorporates intelligent thermal-management strategies, including low-noise cooling and temperature-aware fan control where applicable, helping maintain efficient operation while reducing acoustic impact in office, branch, and campus environments.
Comprehensive Access Security
The AP-SG4500-52GT-4SFP provides a broad set of Layer 2 security capabilities designed to protect users, devices, and network infrastructure.
Integrated protection against common denial-of-service threats—including SYN flood, LAND, and ICMP flood attacks—helps improve network resilience. BPDU Guard and Root Guard protect the spanning-tree topology by preventing unauthorized or incorrectly configured edge devices from affecting root-bridge selection.
IEEE 802.1X port-based authentication enables identity-based network access control using standards-based RADIUS servers, helping ensure that only authorized users and devices can access the network.
Flexible Access Control Lists (ACLs) provide granular traffic filtering and policy enforcement based on defined security criteria, helping restrict access to sensitive resources and support differentiated forwarding policies.
DHCP, ARP, and MAC Protection
The AP-SG4500-52GT-4SFP includes integrated protection against common Layer 2 access-network threats.
DHCP Snooping distinguishes trusted and untrusted interfaces to help prevent unauthorized DHCP servers and DHCP-based attacks. DHCP Snooping bindings and Option 82 can be used with additional access-control mechanisms, including IEEE 802.1X and ARP protection, to strengthen user and device validation.
Additional security capabilities such as ARP Guard, anti-ARP scanning, and MAC-based security controls help defend against address spoofing, unauthorized access, and other Layer 2 attacks.
Resilient Uplink Connectivity
The AP-SG4500-52GT-4SFP provides four Gigabit Ethernet uplink ports, enabling flexible redundant uplink designs and resilient access-layer connectivity.
These uplinks can be integrated into ring and redundant network topologies to improve availability, simplify expansion, and provide greater protection against individual link failures.
Fast Ethernet Ring Protection
Support for ITU-T G.8032 Ethernet Ring Protection Switching (ERPS) enables rapid fault recovery in Ethernet ring deployments.
G.8032-based protection can deliver recovery times of less than 50 milliseconds under appropriate network conditions, helping maintain service continuity for business-critical applications. Support for G.8032 Version 2 enables deployment across a range of ring architectures, including single-ring, interconnected-ring, and multi-ring topologies.
Optimized Multicast Delivery
The AP-SG4500-52GT-4SFP provides multicast-control capabilities designed to improve bandwidth efficiency and application performance.
IGMP Snooping limits multicast traffic to ports with active multicast receivers, helping prevent unnecessary flooding across the access network.
Support for Multicast VLAN Registration (MVR) enables multicast streams to be shared efficiently across multiple subscriber VLANs while maintaining logical traffic separation. MVR trunk capabilities further simplify multicast distribution by allowing multicast services to be transported across shared uplinks, reducing bandwidth consumption and improving network resource utilization.
Hardware Specifications
| Access ports | 48 × 10/100/1000BASE-T RJ-45 |
| Uplink ports | 4 × 100/1000BASE-X SFP |
| Auto-MDI/MDIX | Supported |
| Switching capacity | 104 Gbps |
| Forwarding performance | 77.4 Mpps |
| MAC address table | 16K entries |
| Jumbo-frame support | Up to 12K bytes |
| ACL table | 2,304 entries |
| Hardware queues | 8 queues per port |
| VLAN capacity | Up to 4K VLANs |
| Forwarding architecture | Store-and-forward |
Physical and Environmental Specifications
| Dimensions (W × H × D) | 442 × 43.6 × 240 mm |
| AC input | 100–240 VAC, 50/60 Hz |
| Power consumption | 36 W |
| Cooling | Active cooling (R2.0) / passive cooling (R3.0) |
| Operating temperature | 0°C to 50°C |
| Storage temperature | –40°C to 70°C |
| Relative humidity | 5% to 95%, non-condensing |
| Compliance | CE, RoHS |
| PoE support | Not supported |
Software Specifications
| VLAN standards | Port-based VLAN and IEEE 802.1Q VLAN |
| Advanced VLAN services | Private VLAN, protocol-based VLAN, voice VLAN, and MAC-based VLAN |
| VLAN tunneling | Q-in-Q, selective Q-in-Q, and flexible Q-in-Q |
| VLAN translation | VLAN translation and N:1 VLAN translation |
| Storm control | Broadcast, multicast, and unknown-unicast storm control based on packet rate or bandwidth |
DHCP Services
| DHCP client | IPv4 and IPv6 DHCP client |
| DHCP server | IPv4 and IPv6 DHCP server |
| DHCP relay | IPv4 and IPv6 DHCP relay |
| DHCP snooping | IPv4 and IPv6 DHCP snooping |
| DHCP options | Option 82 and DHCPv6 Options 37/38 |
Network Resiliency
| Spanning Tree | IEEE 802.1D STP, IEEE 802.1w RSTP, and IEEE 802.1s MSTP |
| STP protection | Root Guard, BPDU Guard, and BPDU forwarding |
| Link aggregation | IEEE 802.3ad LACP |
| LACP scalability | Up to 16 link aggregation groups, with up to 8 member ports per group |
| Ethernet ring protection | AirPro MRPP and ITU-T G.8032 ERPS |
| Link protection | Loopback detection and Fast Link |
Multicast Services
| IPv4 multicast snooping | IGMPv1/v2/v3 snooping |
| Fast membership processing | IGMP fast leave |
| Multicast VLAN services | Multicast VLAN Registration |
| IPv6 multicast snooping | MLDv1/v2 snooping |
| Multicast source control | IPv4/IPv6 DCSCM |
Security and Access Control
| ACL types | IP ACL, MAC ACL, combined MAC-IP ACL, and user-defined ACL |
| Time-based policies | Time-range ACL |
| ACL application | ACL policies configurable on physical ports and VLANs |
| Port security | Port security and MAC-address limits by port and VLAN |
| ARP protection | Anti-ARP spoofing, anti-ARP scanning, and static/dynamic ARP binding |
| IPv6 protection | Neighbor Discovery snooping |
| Dynamic ARP protection | Dynamic ARP Inspection |
| Network access control | IEEE 802.1X |
| AAA services | Authentication, Authorization, and Accounting |
| Centralized authentication | RADIUS and TACACS+ |
Quality of Service
| Hardware queues | 8 queues per port |
| Queue scheduling | SP, WRR, SWRR, and WDRR |
| Traffic classification | ACL, VLAN ID, IEEE 802.1p CoS, IP ToS, and DiffServ DSCP |
| Bandwidth management | Configurable bandwidth control |
| Traffic policing | Port- and VLAN-based traffic policing |
| Policing model | Single-rate, single-bucket, two-color policing |
| Traffic redirection | Flow redirect |
| Packet remarking | DSCP, CoS/802.1p, IP precedence, and ToS remarking |
| Advanced classification | IP fragmentation matching |
Management and Operations
| Management interfaces | CLI, console, Telnet, and web-based management |
| Secure web management | HTTPS/SSL over IPv4 and IPv6 |
| Secure CLI management | SSH over IPv4 and IPv6 |
| Network management protocols | SNMPv1, SNMPv2c, and SNMPv3 |
| Monitoring and notifications | SNMP traps and public/private MIB interfaces |
| Remote monitoring | RMON groups 1, 2, 3, and 9 |
| Diagnostics | Ping and traceroute |
| Authentication | RADIUS-based management authentication |
| Logging | Syslog over IPv4 and IPv6 |
| Time synchronization | SNTP and NTP over IPv4 and IPv6 |
| File transfer | TFTP and FTP |
| Software resiliency | Dual firmware images and multiple configuration files |
| Traffic mirroring | Port mirroring, CPU mirroring, and RSPAN |
| Traffic visibility | sFlow* |
| Ethernet OAM | IEEE 802.3ah Ethernet in the First Mile OAM |
| Cable diagnostics | Virtual Cable Test |
| Optical diagnostics | Digital Diagnostic Monitoring |
| Link monitoring | ULDP/UDLD-type unidirectional link detection |
| Neighbor discovery | LLDP and LLDP-MED |
Order Information
| Product | Description |
| AP-SG4500-52GT-4SFP | L2 Gigabit Intelligent Ethernet Switch with 48 10/100/1000Base-T and 4 100/1000Base-SFP ports, 100-240VAC Power Input |