| Attributes | DCRS-5650-28C | DCRS-5650-52C | 
| Ports | 24*10/100Base-TX + 4*Gigabits Combo(SFP/GT) | 48*10/100Base-TX + 4*Gigabits Combo(SFP/GT) | 
| Performance | 
| Switching Capability | 12.8Gbps | 17.6Gbps | 
| Forwarding Rate | 9.6Mpps | 13.2Mpps | 
| MAC Address | 8k | 8k | 
| ACL TABLE | 1K | 1K | 
| Routing Table | 256 | 256 | 
| Vlan Table | 4K | 4K | 
| Queues per port | 8 | 8 | 
| L3 Interface | 256 | 256 | 
| Physical | 
| Dimension (W×H×D) | 440mm×44mm×230mm | 440mm×44mm×230mm | 
| Relative Humidity | 5% ~ 90%,non-condensing | 5% ~ 90%,non-condensing | 
| Operating Temperature | 0℃ ~ 50℃ | 0℃ ~ 50℃ | 
| Storage Temperature | -40℃ ~ 70℃ | -40℃ ~ 70℃ | 
| Power | AC: 100- 240VDC: -48V | AC: 100- 240VDC: -48V | 
| Power Consumption | MAX 30W | MAX 30W | 
| EMC safety | FCC, CE, RoHS | FCC, CE, RoHS | 
| MTBF | >80,000 hours | >80,000 hours | 
| Features | 
| Forwarding | Storage and forwarding | 
| L2 Features | IEEE802.3u (100Base-TX) IEEE802.3z (1000BASE-X)
 IEEE802.3ab (1000Base-T)
 Loopback interface UDLD, LLDP
 | 
| Support LACP 802.3ad, max 8 group trunk with max 8 ports for each trunk, Support load balance | 
| IEEEE802.1d (STP) IEEEE802.1W (RSTP)
 IEEEE802.1S (MSTP)
 Max 48 instance
 Root Guard
 Bpdu Guard
 | 
| Support one to one or any to one mirror | 
| IGMP v1/v2/v3, IGMP v1/v2/v3 Snooping, MLD v1/v2, MLD v1/v2 snooping | 
| QinQ, GVRP, Broadcast / Multicast / Unicast Storm Control Port/ MAC/ 802.1Q based Vlan support Support Private Vlan and protect portMulticast Vlan register/MVR for IPv4 and IPv6 service Support Vlan translation | 
| Support port-based 802.1Q, 4096 VLAN | 
| MAC binding (Ipv4 /Ipv6), black hole mac setting Vlan or Port based MAC limit | 
| Port binding (Ipv4 /Ipv6) | 
| L3 Features | IP Protocol (IP support both of IPv4 and IPv6) | 
| Default Routing, Static Routing, Black hole route, VLSM and CIDR, L3 loopback interface | 
| RIPv1/V2, OSPFv2, BGP4, support MD5 authentication LPM Routing | 
| OSPFv3, BGP4+ support | 
| VRRP, VRRP v3 | 
| Multicast receive control Illegal multicast source detect | 
| ARP guard, Local ARP proxy, Proxy ARP, ARP binding, | 
| QoS for IPv4 and IPv6 | 8 hardware queues per port | 
| Support traffic classification based on IEEE 802.1p, ToS, port and Diff Serv | 
| Support SP, WRR.SWRR | 
| Support Traffic Shaping | 
| Support PRI Mark/Remark | 
| ACL for IPv4 and IPv6 | Support standard and expanded ACL | 
| Support IP ACL and ACL, | 
| Support ACL based on source/definition IP, MAC, L3 IP, TCP/UDP port number, IP PRI (DSCP, ToS, Precedence), Time | 
| ACL-X | Support time-based security auto-negotiation | 
| ACL rules can be configured to physical port | 
| Can be used for QoS classification | 
| Anti-attack and Security | S-ARP: ARP inspection, defense ARP-DOS attack and address clone | 
| Anti-Sweep: prevent ping Sweep | 
| S-ICMP: resist PING-DOS attack, ICMP unreachable attack | 
| S-Buffer: prevent DDOS attack | 
| Switch engine CPU protection | 
| Key message priority: secure processing of key legal messages | 
| Port credit: inspect illegal DHCP Server, Radius Server. Connection via credit port only | 
| Advanced LPM: filter “Bluster”, “zero day” and ”SQL slammer warm” | 
| All the above technologies efficiently prevent various DOS attack (e.g. ARP, Syn flood, Smurf, ICMP attack), support ARP monitoring, defense Worm, Bluster, check sweep and raise alarm | 
| Reliability and Redundancy Balance | Support MSTP (802.1s) | 
| Support VRRP, LACP load balance | 
| MRPP – Multi-layer Ring Protection Protocol | 
| DHCP | DHCP snooping | 
| DCHP Client, Relay and relay option 82 | 
| DHCP Server for IPv4 | 
| DNS | DNS Client DNS proxy | 
| IEEE 802.1X | Port, MAC, Based authentication Support account based on time length and traffic Work with private client can manage P2P traffic Auto Vlan and Guest Vlan | 
| AAA | Support RADIUS for IPv4 and IPv6TACACS+ for IPv4 and IPv6 | 
| Stack and Cluster | Support max 24 units cluster with GE ports and managed by single IP | 
| Configuration and Management | Support CLI, support Console(RS-232), support Telnet (Ipv4/Ipv6), SSH,SSL | 
| Support SNMPv1/v2c/v3 for IPv4, SNMPv1/v2c for IPv6 | 
| Support MIB | 
| Support RMON 1, 2, 3, 9 | 
| Support SNTP | 
| Sys Log | Support, RAM, Telnet, SSH Console, Syslog server | 
| NMS | Strict access control by ACL Access Switch through AAA or Local Authentication | 
| Configuration Management | Configuration file storage Command operation log |