MGS3520-28FDC ZYXEL Telco-Class Layer Switch at discount

MGS3520-28FDC  Specifications

Zyxel MGS3520‑28FDC 28-Port GbE Layer 2 Switch (DC-powered)

Manufacturer: Zyxel
Manufacturer Model: MGS3520-28FDC
Product Line: MGS3520 Series
Product Series: 28-Port GbE L2 Switch (Carrier/Access class)
Product Type: Layer 2 Managed Ethernet Switch
Product Name: Zyxel MGS3520‑28FDC 28-Port GbE Layer 2 Managed Switch

KEY FEATURES:
Port Count: 28 ports (24 × 100/1000 BASE-TX + 4 × combo ports [RJ‑45/SFP])
Interface Type: 10/100/1000Base-T for RJ‑45 ports; SFP/open slots for fiber or combo use
Form Factor: Rack-mountable 1U chassis
Switching Capacity: 56 Gbps non-blocking backplane
Compatibility: Designed for service provider / carrier access layer, future-proof for IPv4/IPv6, fiber uplinks, front-access wiring friendly
Features Supported: Layer 2 features including VLAN (802.1Q), Link Aggregation (802.3ad), STP/RSTP/MSTP, QoS (8 priority queues per port), ACLs (L2/L3/L4), IGMP Snooping, Multicast VLAN Registration (MVR), Digital Diagnostic Monitoring Interface (DDMI) for SFPs

PERFORMANCE:
Maximum Switching Capacity: 56 Gbps
Forwarding Rate: Approx. 41.67 Mpps
MAC Address Table: 16K entries
Jumbo Frame Support: Yes (12 KB)
Random Read IOPS: Not explicitly specified
Random Write IOPS: Not explicitly specified
Sequential Read Speed: Not applicable
Sequential Write Speed: Not applicable

ENVIRONMENTAL & RELIABILITY:
Operating Temperature Range: 0 °C to 50 °C
Storage Temperature Range: ‑40 °C to 70 °C
Operating Humidity: 10% to 95% non-condensing
Shock Resistance: Not explicitly specified
Vibration Resistance: Not explicitly specified
Alarm/Monitoring: External alarm block (inputs/outputs) supported for carrier-grade deployments

PHYSICAL:
Dimensions (W × D × H): 440 mm × 250 mm × 44 mm (approx)
Weight: Approximately 4 kg (≈ 8.8 lb)
Color: Standard chassis grey