Коммутатор Huawei S2751-28TP-PWR-EI-AC

Item

S2700-SI/S2710-SI*

S2700-EI

S2750-EI/S2751-EI/S2720-EI

Downlink Ports

S2700-9TP-SI**/S2700-9TP-EI/S2700-9TP-PWR-EI: 8 x 10/100 Base-TX Ethernet ports 
S2700-18TP-SI/S2700-18TP-EI/S2750-20TP-PWR-EI-AC: 16 x 10/100 Base-TX Ethernet ports 
S2700-26TP-SI/S2700-26TP-EI/S2700-26TP-PWR-EI/S2750-28TP-EI-AC/S2750-28TP-PWR-EI-AC/S2751-28TP-PWR-EI-AC/S2720-28TP-EI-AC: 24 x 10/100 Base-TX Ethernet ports
S2710-52P-SI/S2700-52P-EI: 48 x 10/100 Base-TX Ethernet ports

Uplink Ports

S2700-9TP-SI/S2700-9TP-EI/S2700-9TP-PWR-EI: 1 dual-purpose 10/100/1,000 or SFP
S2700-18TP-EI/S2700-18TP-SI/S2700-26TP-EI/S2700-26TP-EI/S2700-26TP-PWR-EI/S2700-26TP-SI: 2 dual-purpose 10/100/1,000 or SFP 
S2710-52P-SI/S2700-52P-EI: 4 Gb SFP 
S2750-20TP-PWR-EI/S2750-28TP-EI-AC/S2750-28TP-PWR-EI/S2751-28TP-PWR-EI/S2720-28TP-EI-AC: 2 Gb SFP and 2 dual-purpose 10/100/1,000 or SFP

MAC Address

8K MAC address entries
Manual deletion of dynamic MAC address entries
Aging time of MAC address configurable 
Black hole MAC address entries

8K MAC address entries 
Manual deletion of dynamic MAC address entries
Aging time of MAC address configurable 
Black hole MAC address entries 
MAC address learning control based on ports

16K MAC address entries
Manual deletion of dynamic MAC address entries 
Aging time of MAC address configurable 
MAC address learning control based on ports
Black hole MAC address entries

VLAN Feature

4K active VLANs, complying with IEEE 802.1Q
Port-based VLAN assignment

N/A

MAC address-based assignment
Port-based QinQ

QoS

Outbound port-based rate limiting and flow-based rate limiting 
4 or 8 queues of different priorities on each port 
Mapping between 802.1p priorities and queues 
SP, WRR, and SP + WRR algorithms

Port-based rate limiting and flow-based rate limiting
4 or 8 queues of different priorities on each port
Mapping between 802.1p priorities and queues
SP, WRR, and SP + WRR algorithms

Port-based rate limiting and flow-based rate limiting
8 queues of different priorities on each port 
Mapping between 802.1p priorities and queues
SP, WRR, and SP + WRR algorithms

N/A

Packet-based priority remark and packet redirection

IPv4 Routing

Static routing
RIP v1/v2 (S2750-EI)

IPv6 Features

IPv6 protocol 
Static IPv6 routes

IPv6 protocol 
Static IPv6 routes 
Supports MLD v1/v2 snooping

Multicast

IGMP v1/v2/v3 snooping
Port-based rate limiting for multicast packets

MVLAN 
Controllable multicast 
IGMP v1/v2/v3 snooping
Port-based rate limiting for multicast packets

Reliability

S2700-SI: STP (IEEE 802.1d), RSTP (IEEE 802.1w) 
S2710-SI: STP (IEEE 802.1d), RSTP (IEEE 802.1w), and MSTP (IEEE 802.1s)

STP (IEEE 802.1d), RSTP (IEEE 802.1w), MSTP (IEEE 802.1s), RRPP topology, and RRPP multi-instance

STP (IEEE 802.1d), RSTP (IEEE 802.1w), MSTP (IEEE 802.1s), and RRPP topology and RRPP multi-instance SEP and ERPS (G.8032) 
Smart Link tree topology and Smart Link multi-instance, implementing millisecond-level protective switchover

Traffic Sampling

N/A

sFlow

Security and Access Features

S2700-SI: Storm suppression 
S2710-SI: Storm suppression, IP Source Guard

802.1x authentication and limit on the number of users on an interface 
Storm suppression
IP Source Guard

S2700-SI: Multiple authentication methods including AAA, RADIUS, and TACACS+
Port isolation, multicase suppression, broadcast, and unknown unicast packets
CPU defense S2710-SI: Multiple authentication methods including AAA, RADIUS, and TACACS+
Port isolation, multicase suppression, broadcast, and unknown unicast packets
CPU defense
DHCP snooping

Multiple authentication methods including AAA, RADIUS, and TACACS+
802.1x authentication, MAC address authentication, MAC bypass authentication
DHCP snooping
Port isolation and sticky MAC
Packet filtering based on MAC addresses 
Multicast suppression, broadcast, and unknown unicast packets
Limit on the number of learned MAC addresses
CPU defense 
S2750-EI/S2751-EI/S2720-EI: DHCP relay

Surge Protection

Surge protection capability of service ports: 7 kV 

Surge protection capability of service ports: 7 kV

Management

Stack (S2710-52P-SI-AC, S2700-52P-EI-AC, and S2700-52P-PWR-EI)
Auto-config 
CLI-based configuration 
Remote configuration using Telnet 
SNMP v1/v2c/v3 
Remote network monitoring 
SSHv2 
Web-based device management

Stack
Easy Operation 
CLI-based configuration 
Remote configuration using Telnet 
SNMP v1/v2c/v3 
Remote network monitoring 
SSHv2
Web-based device management

Interoperability

NA

Supports VBST (compatible with PVST/PVST+/RPVST)

Supports LNP (similar to DTP)

Supports VCMP (similar to VTP)

Operating Environment

Long-term operating temperature: 23°F to 122°F (–5°C to 50°C) 
Relative humidity: 10% to 90% (non-condensing)

Long-term operating temperature: 23°F to 122°F (–5°C to 50°C)
Relative humidity: 5% to 95% (non-condensing)

Power

Rated AC voltage: 100V to 240V, 50 Hz/60 Hz, Maximum voltage: 90V to 264V, 50 Hz/60 Hz
Rated DC voltage: –48V to –60V, Maximum voltage: –36V to –72V
Note: PoE models do not use DC power supplies

Dimensions (W x D x H)

S2700-9TP-EI/SI: 9.8 in. x 7.1 in. x 1.7 in. (250 mm × 180 mm × 43.6 mm)
S2700-9TP-PWR-EI: 12.6 in. x 8.7 in. x 1.7 in. (320 mm × 220 mm × 43.6 mm)
S2700-18TP-EI/SI/S2700-26TP-EI/SI/S2750-28TP-EI-AC/S2720-28TP-EI-AC: 17.4 in. x 8.7 in. x 1.7 in.  (442 mm × 220 mm × 43.6 mm)
S2700-26TP-PWR-EI: 17.4 in. x 16.5 in. x 1.7 in. (442 mm × 420 mm × 43.6 mm)
S2710-52P-SI/S2700-52P-EI: 17.4 in. x 8.7 in. x 1.7 in. (442 mm × 220 mm × 43.6 mm)
S2750-20TP-PWR-EI-AC/S2750-28TP-PWR-EI-AC/S2751-28TP-PWR-EI-AC: 17.4 in. x 12.2 in. x 1.7 in. (442 mm × 310 mm × 43.6 mm)

Weight

S2700-9TP-SI < 3.1 lb. (1.4 kg)
S2700-18TP-SI < 5.3 lb. (2.4 kg)
S2700-26TP-SI < 5.3 lb. (2.4 kg)
S2710-52P-SI < 6.6 lb. (3 kg)

S2700-9TP-SI < 3.1 lb. (1.4 kg)
S2700-9TP-PWR-EI < 5.5 lb. (2.5 kg)
S2700-18TP-EI < 5.3 lb. (2.4 kg)
S2700-26TP-EI < 5.3 lb. (2.4 kg)
S2700-52P-EI < 6.6 lb. (3 kg)
S2700-26TP-PWR-EI < 8.8 lb. (4 kg) without power supply

S2750-20TP-PWR-EI < 9.9 lb. (4.5 kg)
S2750-28TP-EI < 6.6 lb. (3 kg)
S2750-28TP-PWR-EI < 9.9 lb. (4.5 kg)
S2751-28TP-PWR-EI-AC < 9.9 lb. (4.5 kg)

S2720-28TP-EI-AC < 6.6 lb. (3 kg)

Power Consumption

S2700-9TP-SI < 12.8W
S2700-18TP-SI < 14.5W
S2700-26TP-SI < 15.5W
S2710-52P-SI < 38W

S2700-9TP-EI < 12.8W
S2700-9TP-PWR-EI < 154W (PoE: 124W)
S2700-18TP-EI < 14.5W
S2700-26TP-EI < 15.5W
S2700-52P-EI < 38W
S2700-26TP-PWR-EI < 808W (PoE: 740W)

S2750-20TP-PWR-EI < 435W
S2750-28TP-EI < 15.7W
S2750-28TP-PWR-EI < 445W
S2751-28TP-PWR-EI-AC < 147W
S2720-28TP-EI-AC < 15.7W