Switch CUDY GS2028PS4-400W 24-Port Gigabit L2 Managed PoE+ 400W 4x Gigabit Combo Ports

Rack mounting: Yes
Housing material: Metal
Product colour: Black
Form factor: 1U
LED indicators: Link, System, Power, Activity
Power source: AC
Surge protection voltage: 15 kV
DC input voltage: 52 V
Surge protection: Yes
AC input voltage: 110 - 240 V
Authentication: Port-based authentication
SSH/SSL support: Yes
IGMP snooping: Yes
IP-MAC-Port binding: Yes
Authentication type: IEEE 802.1x, TACACS+
Queue scheduling algorithms: Strict Priority Queue (SPQ), Weighted Round Robin (WRR)
Access Control List (ACL): Yes
Non-operating altitude: 0 - 3000 m
Storage temperature (T-T): -40 - 85 °C
Operating relative humidity (H-H): 10 - 95%
Operating temperature (T-T): -20 - 55 °C
Operating altitude: 0 - 3000 m
Switch layer: L2
System event log: Yes
Switch type: Managed
Quality of Service (QoS) support: Yes
Web-based management: Yes
Height: 45 mm
Depth: 285 mm
Width: 445 mm
Cable length detection: Yes
Port mirroring: Yes
10G support: No
Number of VLANs: 4096
Rate limiting: Yes
Broadcast storm control: Yes
Copper ethernet cabling technology: 10BASE-T, 1000BASE-TX, 100BASE-TX
VLAN support: Yes
Cable types supported: Cat6, Cat4, Cat5, Cat5e, Cat3
Virtual LAN features: MAC address-based VLAN, Voice VLAN
Flow control support: Yes
MAC address auto-learning supported: Yes
MAC address auto-aging supported: Yes
Link aggregation: Yes
Spanning tree protocol: Yes
Networking standards: IEEE 802.1Q, IEEE 802.3x, IEEE 802.3at, IEEE 802.3, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3ad, IEEE 802.3u, IEEE 802.3af, IEEE 802.3az
Flash memory: 16 MB
Fanless: Yes
Internal memory: 128 MB
Mean time between failures (MTBF): 100000 h
Package height: 120 mm
Package depth: 350 mm
Package width: 470 mm
Package type: Box
Management protocols: SSHv1/2, SNMP V1/V2/V3, RMON v1
GARP VLAN Registration Protocol (GVRP): Yes
Uplink ports quantity: 4
Console port: RJ-45
Basic switching RJ-45 Ethernet ports type: Gigabit Ethernet (10/100/1000)
Basic switching RJ-45 Ethernet ports quantity: 24
Combo SFP ports quantity: 4
Gigabit Ethernet (copper) ports quantity: 24
Switching capacity: 56 Gbit/s
Packet buffer memory: 4 MB
Store-and-forward: Yes
MAC address table: 8000 entries
Forwarding rate: 41.66 Mpps
Power over Ethernet (PoE): Yes
Multicast support: Yes
Multicast features: Multicast traffic suppression
Multicast Listener Discovery (MLD) snooping: v1/2/3
Maximum transfer distance (Single-mode): 120000 m
Wavelength: 1550 nm
Maximum transfer distance (Multi-mode): 2000 m
Fiber type: Multi-mode
Transmission distance (max): 120 km