Hardware Specifications |
Copper Ports |
28 x 10/100/1000BASE-T RJ45 Auto-MDI/MDI-X port |
SFP/mini-GBIC Slots |
4 x 100/1000BASE-X SFP interface shared with port-25 to port-28
Supports 100/1000Mbps dual mode and DDM |
PoE Injector Port |
24 ports with 802.3at / af PoE injector function with port-1 to port-24 |
Console |
1 x RS232-to-RJ45 serial port (115200, 8, N, 1) |
Switch Architecture |
Store-and-Forward |
Switch Fabric |
56Gbps / non-blocking |
Switch Throughput@64Bytes |
41.67Mpps |
Address Table |
8K entries |
Shared Data Buffer |
4.1 megabits |
Flow Control |
IEEE 802.3x pause frame for full-duplex
Back pressure for half-duplex |
Jumbo Frame |
10K bytes |
Reset Button |
< 5 sec: System reboot
> 5 sec: Factory default |
LED |
PWR, SYS, LNK/ACT, PoE-in-Use |
Power Requirements |
100~240V AC, 50/60Hz, auto-sensing |
Dimensions (W x D x H) |
440 x 300 x 44.5 mm, 1U height |
ESD Protection |
Contact Discharge 4KV DC
Air Discharge 8KV DC |
Enclosure |
Metal |
Power over Ethernet |
PoE Standard |
IEEE 802.3af / 802.3at PoE+ PSE |
PoE Power Supply Type |
End-span |
PoE Power Output |
Per port 52V DC, 30.8 watts (max.) |
Power Pin Assignment |
1/2(+), 3/6(-) |
PoE Power Budget |
370W |
Layer 2 Functions |
Port Mirroring |
TX / RX / both
Many-to-1 monitor |
VLAN |
802.1Q tagged-based VLAN
Up to 256 VLAN groups, out of 4094 VLAN IDs
802.1ad Q-in-Q tunneling
Voice VLAN
Protocol VLAN
Private VLAN (Protected port)
GVRP |
Link Aggregation |
IEEE 802.3ad LACP and static trunk
Supports 8 groups of 8-port trunk |
Spanning Tree Protocol |
STP, IEEE 802.1D Spanning Tree Protocol
RSTP, IEEE 802.1w Rapid Spanning Tree Protocol
MSTP, IEEE 802.1s Multiple Spanning Tree Protocol |
IGMP Snooping |
IGMP (v2/v3) snooping
IGMP querier
Up to 256 multicast groups |
MLD Snooping |
MLD (v1/v2) snooping, up to 256 multicast groups |
Access Control List |
IPv4/IPv6 IP-based ACL / MAC-based ACL |
PoE Management |
Open or close port Standard POE scheduling management Power and current display
Automatic restarting function of equipment dead machine Timing reactivation
Support IP bindings restarting |
QoS |
8 mapping ID to 8 level priority queues
- Port number
- 802.1p priority
- 802.1Q VLAN tag
- DSCP field in IP packet
Traffic classification based, strict priority and WRR |
Security |
IEEE 802.1X port-based authentication
Built-in RADIUS client to co-operate with RADIUS server
RADIUS / TACACS+ user access authentication
IP-MAC port binding
MAC filtering
Static MAC address
DHCP Snooping and DHCP Option82
STP BPDU guard, BPDU filtering and BPDU forwarding
DoS attack prevention
ARP inspection
IP source guard |
Management Functions |
Basic Management Interfaces |
Interfaces Web browser / Telnet / SNMP v1, v2c, V3
Firmware upgrade by HTTP / TFTP protocol through Ethernet network
Remote / Local Syslog
System log
LLDP protocol
SNTP |
Secure Management Interfaces |
SSH, SSL, SNMP |
SNMP MIBs |
RFC 1213 MIB-II
RFC 1215 Generic Traps
RFC 1493 Bridge MIB
RFC 2674 Bridge MIB Extensions
RFC 2737 Entity MIB (Version 2)
RFC 2819 RMON (1, 2, 3, 9)
RFC 2863 Interface Group MIB
RFC 3635 Ethernet-like MIB |
Standards Conformance |
Regulation Compliance |
FCC Part 15 Class A, CE |
Standards Compliance |
IEEE 802.3 10BASE-T
IEEE 802.3u 100BASE-TX/100BASE-FX
IEEE 802.3z Gigabit SX/LX
IEEE 802.3ab Gigabit 1000T
IEEE 802.3x flow control and back pressure
IEEE 802.3ad port trunk with LACP
IEEE 802.1D Spanning Tree protocol
IEEE 802.1w Rapid Spanning Tree protocol
IEEE 802.1s Multiple Spanning Tree protocol
IEEE 802.1p Class of Service
IEEE 802.1Q VLAN tagging
IEEE 802.1x Port Authentication Network Control
IEEE 802.1ab LLDP
IEEE 802.3af Power over Ethernet
IEEE 802.3at Power over Ethernet Plus
RFC 768 UDP
RFC 793 TFTP
RFC 791 IP
RFC 792 ICMP
RFC 2068 HTTP
RFC 1112 IGMP version 1
RFC 2236 IGMP version 2
RFC 3376 IGMP version 3
RFC 2710 MLD version 1
RFC 3810 MLD version 2 |
Environment |
Operating |
Temperature: 0 ~ 50 degrees C
Relative Humidity: 5 ~ 95% (non-condensing) |
Relative Humidity: |
5 ~ 95% (non-condensing) |
Storage |
Temperature: -20 ~ 70 degrees C
Relative Humidity: 5 ~ 95% (non-condensing) |