S5500-48GT4GF

DH-S5500-48GT4GF     Product Overview  The DH S5500 series Ethernet switches are environment-friendly and  energy-saving full 1000M Ethernet switches, which offer a variety of  service features and are widely used to access enterprise networks  and campus networks. These products provide more comprehensive  security access policies and more powerful network management and  maintenance usability while satisfying high-performance access.  www.dahuasecurity.com  DH-S5500-48GT4GF  New-generation Environment-friendly & Energy-saving Ethernet Switches    Features  · High Performance and Scalability  · Diversified Security Policies  · Enhanced Multiservice Capabilities  · Professional Lightning Protection Functions  · Environment Friendliness and Energy Saving  · Ease of Use in Network Management      Key Features  · High Performance and Scalability  The DH S5500 series switches support line-rate forwarding for all ports,  meeting user requirements for high bandwidths. The DH S5500 series  switches support at least two or four 1000M uplink ports, and the SFP  ports support 100M/1000M optical modules, thereby reducing costs  and facilitating subsequent upgrades for users. The DH S5500 series

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DH-S5500-48GT4GF

Product Overview
The DH S5500 series Ethernet switches are environment-friendly and
energy-saving full 1000M Ethernet switches, which offer a variety of
service features and are widely used to access enterprise networks
and campus networks. These products provide more comprehensive
security access policies and more powerful network management and
maintenance usability while satisfying high-performance access.
www.dahuasecurity.com
DH-S5500-48GT4GF
New-generation Environment-friendly & Energy-saving Ethernet Switches

Features
· High Performance and Scalability
· Diversified Security Policies
· Enhanced Multiservice Capabilities
· Professional Lightning Protection Functions
· Environment Friendliness and Energy Saving
· Ease of Use in Network Management


Key Features
· High Performance and Scalability
The DH S5500 series switches support line-rate forwarding for all ports,
meeting user requirements for high bandwidths. The DH S5500 series
switches support at least two or four 1000M uplink ports, and the SFP
ports support 100M/1000M optical modules, thereby reducing costs
and facilitating subsequent upgrades for users. The DH S5500 series
switches support the stacking of up to 32 devices, a maximum of 1,664
100/1000M ports can be configured, and hybrid stacking of devices with
different ports is supported. The switches support the plug-and-play
function and single IP address management function. This significantly
reduces system expansion costs, thereby protecting user investments.
· Diversified Security Policies
The DH S5500 series switches support the following anti-attack
capabilities:
1) Distinctive ARP intrusion detection function: effectively prevents
hackers or attackers from initiating ARP spoofing attacks by using ARP
packets (where this type of attack is increasing prevailing nowadays);
2) IP Source Guard feature: defends the switches from illegal address
forgery (including MAC address spoofing, IP address spoofing, and MAC/
IP address spoofing) and DoS attacks;
3) Trusted ports of DHCP Snooping: effectively prevent unauthorized
DHCP servers, thereby ensuring the authenticity and consistency of DHCP
environments.
The DH S5500 series switches support families of port security
characteristics, which can effectively prevent MAC address–based attacks
and implement MAC address–based traffic policing.
The DH S5500 series switches provide two authentication modes
(including 802.1X and MAC authentication), support client software
version detection and Guest VLAN functions, and may further implement
proxy detection and dual network adaptor detection in conjunction with
intelligent management centers. These functions enable the DH S5500
series switches to check and control the legality of users, to minimize
damages to network security from illegal users.
The DH S5500 series switches provide multi-level reliability protection,
and supports Ethernet OAM and CFD, thereby improving Ethernet
management and maintenance capabilities and ensuring stable network
operation.
The DH S5500 series switches support Smart Link and Monitor Link, to
provide more efficient and reliable backup for double uplinks.
The DH S5500 series switches support RRPP, to provide faster topological
convergence for ring networks and higher reliability for data transmission.
· Enhanced Multiservice Capabilities
The DH S5500 series switches support port rate limiting and flow-based
rate limiting, to prevent malicious occupation of network bandwidths
and also provide an effective means of refined network bandwidth
management.
The DH S5500 supports a variety of queue scheduling algorithms,
which can place packets with different priorities into the output
queues of ports.
The DH S5500 series switches support a variety of IPv6 management
functions and IPv6 service features.
· Professional Lightning Protection Functions
The DH S5500 series switches adopt a professional built-in lightning
protection technology, and support the industry-leading 7 KV
lightning protection capability for service ports. Therefore, even if the
switches work in a harsh environment, a rate of failure of the devices
caused by lightning strikes can be greatly reduced.
· Environment Friendliness and Energy Saving
The DH S5500 series switches are new-generation environment-
friendly and energy-saving Ethernet switches launched by Zhejiang
Dahua Technologies Co., Ltd. Multiple techniques are used on the DH
S5500 series switches, to ensure environment friendliness and energy
saving. The techniques include:
1) Auto-power-down (automatic energy saving on ports): If a status
of an interface remains "down" for a specific period of time, the
system automatically stops supplying power to the interface, and the
interface automatically enters the power saving mode.
2) One-click power saving: Power consumption is reduced by
controlling on and off of indicators on the device and controlling the
energy saving mode of ports.
3) EEE energy saving function: If a port remains idle for a specific
period of time, the system enables the energy saving mode of the
port. When packets need to be transmitted or received, listening
code streams sent periodically are used to wake up the port to
resume services, thereby achieving an energy saving effect.
The DH S5500 series switches comply with the RoHS standards.
· Ease of Use in Network Management
The DH S5500 series switches support the following network
management features:
1) Remote upgrades via FTP and TFTP
2) SNMP v1/v2/v3
3) General network management platforms (for example, Open
View), and intelligent management centers
4) Command line interface (CLI), web-based network management,
and Telnet, to facilitate device management
5) Encryption modes such as SSH2.0, to ensure more secure
management

Technical Specification
ModelDH-S5500-48GT4GF
Switching capacity
256 Gbit/s
Packet forwarding rate78Mpps
Management portOne console port
Fixed port
48 x 10/100/1000Base-T Ethernet port
4 x 1000Base-X Ethernet port
Port aggregation
Supports the following port aggregation features:
●LACP
●Manual port aggregation
●A maximum of eight ports in each aggregation
group
Layer-2 ring network protocolSupports STP, RSTP, and MSTP.
VLAN
Supports the following VLAN features:
●Port-based VLANs (4,000 VLANs)
●MAC address–based VLANs
●Protocol-based VLANs
●GVRP
●QinQ and flexible QinQ
●VLAN mapping
●Guest VLANs
DHCP
Supports the following DHCP features:
●DHCP Server
●DHCP Client
●DHCP Relay
●DHCP Snooping
●DHCP Snooping Option82
IPv4Supports IPv4 static routing, RIP, and OSPF.
IPv6
Supports the following IPv6 features:
●IPv4 and IPv6 dual-protocol stack
●IPv6 static routing
●ND and PMTUD
●Pingv6, Telnetv6, FTPv6, TFTPv6, and ICMPv6
Multicast
Supports the following multicast features:
●IGMP Snooping and fast leave
●MLD Snooping
●Multicast VLANs
Stacking
Supports hybrid stacking of a maximum of 32
devices.
MirroringSupports port mirroring and flow mirroring.
ACL
Supports the following ACL features:
●Packet filtering on L2 to L4
●Match of the previous 80 bytes in a packet
●ACL definition based on the source MAC address,
destination MAC address, source IP address,
destination IP address, IP protocol type, TCP/UDP
port, TCP/UDP port scope, and VLAN
●ACL issuance based on ports or VLANs
●ACLs based on time ranges
●Hardware-based IPv6 ACL and QoS
QoS
Supports the following QoS features:
●Diff-Serv QoS
●Eight output queues on each port
●802.1P/DSCP priority mapping
●Queue scheduling mechanisms
●Priority marking and remarking
●Flow-based packet filtering
●Flow-based redirection
●Flow-based rate limiting
●Voice VLANs


Security
Supports the following security features:
●Level-based user management and password
protection
●Guest VLANs
●IEEE 802.1X authentication and centralized MAC
address authentication
●Rapid EAD deployment
●AAA, RADIUS, and HWTACACS authentication
●Restriction on the number of learned MAC
addresses
●MAC address black holes
●SSH 2.0, providing secure encrypted channels for
user login
●SSL, ensuring the security of data transmission
●HABP
●Validity verification of SAVI source addresses
●Port isolation
●Rate limiting for ARP packets
●Protection of source IP addresses
●Detection of ARP intrusion
●Defense against DoS attacks
●Suppression of broadcast packets
●Active/Standby data backup mechanism
●IP address + port binding, IP address + MAC
address binding, port + MAC address binding,
IP address + MAC address + port binding, and IP
address + MAC address + port + VLAN binding
●CPU protection
Reliability
Supports the following reliability features:
●Ethernet OAM
●CFD
●Smart Link, for providing efficient and reliable link
backup, load sharing and rapid convergence for
double-uplink networking
●Monitor Link, for monitoring the uplink status and
providing more efficient link backup and switching
in conjunction with the Smart Link
●DLDP, for detecting unidirectional available links
●RRPP
System management
Supports the following system management
features:
●Configuration through the Console, AUX Modem,
Telnet, and SSH2.0 CLI
●File downloading and uploading over FTP, TFTP,
Xmodem, and SFTP
●SNMP v1/v2c/v3
●RMON
●Virtual Cable Test (VCT)
●TR069
●NTP clock
●System operation logs
●Cluster management
●Intelligent management centers
Ambient humidity
Operation ambient humidity: 5%–95% (non-
condensing)
Storage ambient humidity: 5%–95% (non-
condensing)
Environment protection standardChina RoHS, and EEE
Weight (full configuration)≤ 3.4 kg
Static power consumption20 W
Power consumption (at full load)≤ 32 W
Input voltageAC: 100 V–240 V AC, 50/60 Hz
Dimensions (length x width x
height) (unit: mm)
440 x 238 x 44