Accton Technology VM2548 - Manual (Page 52)

Specifications
C-2
Humidity
Operating: 5% to 90%
AC Input
100 to 240 V, 50 to 60 Hz
Power Consumption
40 Watts maximum
Heat Dissipation
137 BTU/hr maximum
Maximum Current
0.5 A @ 110 VAC
0.25 A @ 240 VAC
Switch Features
Spanning Tree Protocol
Forwarding Mode
Store-and-forward
Throughput
Layer 2: wire speed
Flow Control
Full Duplex: IEEE 802.3x
Half Duplex: Back pressure
Broadcast Storm Suppression
Traffic throttled above a critical threshold
VLAN Support
Up to 255 groups; port-based or with 802.1Q VLAN tagging
Private VLAN feature
GVRP for automatic VLAN learning
Quality of Service
Four levels of priority and Weighted Round Robin Queueing; Quality of Service
based on DSCP, IP Precedence/TOS, TCP/UDP port number
VDSL Bandwidth Control
Rate Limiting