English 
- Brand: TRENDnet
- Model: TPE-4840WS
- Standards:
- IEEE 802.1D
- IEEE 802.1Q
- IEEE 802.1S
- IEEE 802.1X
- IEEE 802.1p
- IEEE 802.1w
- IEEE 802.1ab
- IEEE 802.3
- IEEE 802.3u
- IEEE 802.3x
- IEEE 802.3z
- IEEE 802.3ab
- IEEE 802.3ad
- IEEE 802.3af
- IEEE 802.3at
- IEEE 802.3az
- Device Interface:
- 24 x Gigabit PoE+ ports (ports 1-24)
- 24 x Gigabit ports (ports 25-48)
- 4 x shared SFP slots (shared with ports 45 - 48)
- LED indicators
- Data Transfer Rate:
- Ethernet: 10 Mbps (half duplex), 20 Mbps (full duplex)
- Fast Ethernet: 100 Mbps (half duplex), 200 Mbps (full duplex)
- Gigabit Ethernet: 2000 Mbps (full duplex)
- Performance:
- Switch fabric: 96 Gbps
- RAM buffer: 1 MB
- MAC Address Table: 16K entries
- Jumbo Frames: 10 KB
- HOL Blocking Prevention
- Forwarding rates: 71.42 Mpps (64-byte packet size
- Management:
- HTTP/HTTPS (SSL v2/3 TLS) Web based GUI
- SNMP v1, v2c, v3
- RMON v1
- Static Unicast MAC Address
- Enable/disable 802.3az power saving
- LLDP
- Virtual cable test
- IPv6: IPv6 Neighbor Discovery, IPv6 Static IP, DHCPv6, Auto configuration
- MIB:
- MIB II RFC 1213
- Bridge MIB RFC 1493
- Bridge MIB Extension RFC 2674
- SNMPv2 MIB RFC 1907
- Ethernet Interface MIB RFC 1643
- Ethernet–like MIB RFC 2863
- Interface Group MIB RFC 2233
- MIB Traps Convention RFC 1215
- RMON MIB RFC 1757, RFC 2819
- 802.1p MIB RFC 2674
- RADIUS Client Authentication MIB RFC 2618
- LLDP-MIB IEEE 802.1ab
- Ping MIB RFC 2925, RFC 4560
- Spanning Tree:
- IEEE 802.1D STP (Spanning Tree protocol)
- IEEE 802.1w RSTP (Rapid Spanning Tree protocol)
- IEEE 802.1s MSTP (Multiple Spanning Tree protocol)
- Link Aggregation:
- Static Link Aggregation
- 802.3ad Dynamic LACP
- Quality of Service (QoS):
- 802.1p Class of Service (CoS)
- DSCP (Differentiated Services Code Point)
- Bandwidth control per port
- Queue scheduling: strict priority, Weighted Round Robin (WRR)
- VLAN:
- Multiple management VLAN assignment
- Asymmetric VLAN
- 802.1Q tagged VLAN
- Dynamic GVRP
- Up to 256 VLAN groups, ID range 1-4094
- Private VLAN (protected ports)
- Voice VLAN (10 user defined OUIs)
- Multicast:
- IGMP Snooping v1, v2, v3 (per VLAN)
- Static Multicast Address
- Up to 256 multicast entries
- Port Mirror:
- RX, TX, or both
- One to one
- Many to one
- Access Control:
- 802.1X Port-Based Network Access Control, RADIUS, TACACS+
- Local Dial In User Authentication
- DHCP Snooping (per VLAN)
- Loopback Detection
- Duplicated Address Detection
- Trusted Host
- Denial of Service (DoS)
- ACL IPv4 L2-L4 & IPv6:
- MAC Address
- VLAN ID
- Ether Type (IPv4 only)
- IP Protocol 0-255
- TCP/UDP Port 1-65535
- 802.1p
- DSCP (IPv4 only)
- IPv6 Address (IPv6 only)
- Compatibility: Optional Software Utility: Windows® 8.1, 8, 7, Vista, XP, Windows® 2008/2003 Server
- Power over Ethernet:
- Total PoE power budget: 370 Watts
- PoE+ ports 1 – 24: up to 30 Watts per port
- PoE over current protection
- PoE short circuit protection
- Power:
- Input: 100 – 240 V AC, 50/60 Hz, internal power supply
- Consumption: 55.6 Watts (max. with no connected PoE devices)
- Consumption: 425.6 Watts (max. with total 370W PoE budget )
- MTBF: 318,350 hours
- Operating Temperature: -5 – 45 °C (23 – 113 °F)
- Operating Humidity: Max. 90% non-condensing
- Dimensions: 440 x 430 x 44 mm (17.3 x 16.9 x 1.7 in.)
- Rack mountable: 1U height
- Weight: 6.5 kg (14.3 lbs.)