| Model |    | DES-3528 |    | DES-3528P | DES-3552 | 
 | LAN Standard  |    | IEEE 802.3; IEEE 802.3u; IEEE 802.3z; IEEE 802.3ab; IEEE 802.3af (DES-3528P)  | 
 |    |    | 10BASE-T/100BASE-TX  | 24  |    | 24 (PoE)  | 48  | 
 |    |    | Port (RJ-45)  |    | 
 |    |    |    |    |    |    | 
 | Port  | 10BASE-T/100BASE-TX/  |    | 2  |    | 
 | Interface  | 1000BASE-T Port (RJ-45)  |    |    | 
 |    |    |    |    | 
 |    |    | Combo 1000BASE-T/  |    | 2  |    | 
 |    |    | SFP |    |    | 
 |    |    |    |    |    |    | 
 |    |    | Virtual Stack | D-Link Single IP Management (SIM); Virtual Stack up to 32 Devices  | 
 | Stackability  |    | Via GE Port 27 & 28 (for DES-3528/28P); Via GE Port 51 & 52 (for DES-3552);  | 
 | Physical Stack  | Bi-Directional Redundant Stacking Topology; Linear/Ring Topology; Bandwidth up to 2Gbps Bi-Directional Per Port,  | 
 |    |    | 
 |    |    |    | Up to 4Gbps Per Device; Up to 8 Units Per Stack; Backup Master; Inter Trunking or Mirroring  | 
 |    |    | Switching Capacity  | 12.8Gbps  |    |    | 17.6Gbps  | 
 |    |    | Max. Forwarding Rate  | 9.5Mpps  |    |    | 13.1Mpps  | 
 |    |    | Forwarding Mode  |    |    | Store and Forward  |    | 
 | General  |    | Packet Buffer Memory  |    |    | 1MBytes  |    | 
 |    | SDRAM for CPU  |    |    | 128MBytes  |    | 
 | Features  |    |    |    |    | 
 |    | Flash Memory  |    |    | 16MBytes  |    | 
 |    |    |    |    |    | 
 |    |    | Mean Time Before  | 203,785 hours  |    | 345,226 hours  | 380,412 hours  | 
 |    |    | Failure |    | 
 |    |    |    |    |    |    | 
 |    |    | Console Port  | Female RS-232 DB-9 Console Port for Out-of-Band Configuration  | 
 |    |    |    | MAC Address Table: 16K; Flow Control: IEEE 802.3x Flow Control, HOL Blocking Prevention; Jumbo Frame: Max. 9,216Bytes;  | 
 | L2 Features |    | Spanning Tree Protocol (STP): 802.1D STP, 802.1w Rapid STP, 802.1s Multiple STP, BPDU Filtering; Loopback Detection;  | 
 |    | 802.3ad Link Aggregation: Max. 8 Groups Per Device, Max. 8 Ports Per Group;  |    | 
 |    |    |    |    | 
 |    |    |    | Port Mirroring: One-to-One, Many-to-One, Flow-based Mirroring, RSPAN  |    | 
 |    |    |    | IGMP Snooping v1/v2/v3: 256 Groups, Host-based IGMP Snooping Fast Leave, Report Suppression;  | 
 | L2 Multicasting  | Limited IP Multicasting (IGMP Filtering): Max. 24 IGMP Filtering Profiles, 128 Ranges Per Profile;  | 
 |    |    |    | MLD Snooping v1/v2: 256 Groups; MLD Snooping Fast Leave  |    | 
 | L3 Features  |    | ARP Proxy; Policy-based Routing  |    |    |    | 
 |    |    |    | VLAN Groups: Max. 4K VLAN; GARP VLAN Registration Protocol (GVRP): Max. 256 Dynamic VLAN; 802.1Q Tagged VLAN;  | 
 | Virtual LAN  |    | 802.1v Protocol VLAN; Double VLAN (Q-in-Q): Port-based Q-in-Q, Selective Q-in-Q; VLAN Translation; Port-based VLAN;  | 
 |    |    |    | MAC-based VLAN; ISM VLAN; Asymmetric VLAN; VLAN Trunking; Voice VLAN; Subnet-based VLAN  | 
 |    |    |    | 802.1p Quality of Service; 8 Queues Per Port; Queue Handling: Strict Priority, Weighted Round Robin (WRR), Strict + WRR;  | 
 |    |    |    | CoS based on: Switch Port, VLAN ID, 802.1p Priority Queues, MAC Address, DSCP, Protocol Type,  | 
 |    |    |    | IPv6 Traffic Class, IPv6 Flow Label; TCP/UDP Port, User-Defined Packet Content; Time-based QoS;  | 
 | Quality of Service (QoS)  | Actions for Flow: Remark 802.1p Priority Tag, Remark TOS/DSCP Tag, Bandwidth Control, Flow Statistics,  | 
 |    |    |    | Committed Information Rate (CIR): Min. Granularity 64kbps; Stabilized Random Early Detection (SRED) Congestion Control;  | 
 |    |    |    | Bandwidth Control: Port-based (Ingress, Min. Granularity 64kbps), Flow-based (Ingress, Min. Granularity 64kbps),  | 
 |    |    |    | Per Egress Queue Bandwidth Control, Per Egress Queue Bandwidth Guarantee  |    | 
 |    |    |    | Max. 1,792 Access Rules; ACL Statistics; Time-based ACL; VLAN-based ACL; CPU Interface Filtering;  | 
 | Access Control List (ACL)  | ACL based on: 802.1p Priority, VLAN ID, MAC Address, Ether Type, IPv4/IPv6 Address, DSCP, Protocol Type,  | 
 |    |    |    | TCP/UDP Port Number, IPv6 Traffic Class, IPv6 Flow Label, User-Defined Packet Content  | 
 |    |    |    | Secure Shell (SSH) v2; Secure Sockets Layer (SSL) v1/v2/v3; Port Security: Max. 64 MAC Addresses Per Port;  | 
 |    |    |    | Broadcast/Multicast/Unicast Storm Control; D-Link Safeguard Engine; NetBIOS/NetBEUI Filtering;  | 
 | Security  |    | IP-MAC-Port Binding (IMPB): ARP Packet Inspection, IP Packet Inspection, DHCP Snooping,  | 
 |    |    |    | 500 Address Binding Entries Per Device; Traffic Segmentation; DHCP Server Screening;  | 
 |    |    |    | DHCP Client Filtering; ARP Spoofing Prevention; BPDU Attack Protection  |    | 
 |    |    |    | 802.1X: Port-based Access Control, Host-based Access Control, Dynamic VLAN Assignment,  | 
 |    |    |    | Authentication Database Failover; Web-based Access Control (WAC): Port-based Access Control, Host-based Access Control,  | 
 | Authentication, Authorization &  | Dynamic VLAN Assignment, Authentication Database Failover; MAC-based Access Control (MAC): Port-based Access Control,  | 
 | Accounting (AAA)  | Host-based Access Control, Dynamic VLAN Assignment, Authentication Database Failover; Multiple Authentication;  | 
 |    |    |    | Japanese Web-based Access Control (JWAC); Microsoft Network Access Protection (NAP): 802.1X NAP, DHCP NAP;  | 
 |    |    |    | Guest VLAN; RADIUS & TACACS+ Authentication for Switch Access; RADIUS Accounting; Three-Level User Accounts  | 
 |    |    |    | Web-based GUI; Command Line Interface (CLI); Telnet Server; Telnet Client; TFTP Client; ZModem;  | 
 |    |    |    | Simple Network Management Protocol (SNMP) v1/v2c/v3; SNMP Traps; Link Layer Discovery Protocol (LLDP);  | 
 | Management  |    | Remote Monitoring (RMON) v1: 1, 2, 3, 9 Groups; RMON v2: ProbeConfig Group; CPU Monitoring;  | 
 |    | PPPoE Circuit-ID Tag Insertion; Dual Image; Dual Configuration; DHCP Auto-Configuration;  | 
 |    |    |    | 
 |    |    |    | sFlow; BootP/DHCP Client; DHCP Server; DHCP Relay; DHCP Relay Option 60/61/82; System Log;  | 
 |    |    |    | Network Time Protocol (NTP) / Simple NTP (SNTP); Password Recovery; Password Encryption; DHS Relay  | 
 | Operations, Admin & Management  | Cable Diagnostics; 802.3ah Ethernet Link OAM; 802.1ag Connectivity Fault Management (CFM); Loopback Diagnostics  | 
 | (OAM) |    | 
 |    |    |    |    |    | 
 | D-Link Green  |    | Compliant with RoHS 6; Time-based PoE  |    |    |    | 
 |    |    |    | MIB-II (RFC1213); Bridge (RFC1409); SNMPv2 (RFC1907); RMON (RFC1757, 2819); RMONv2 (RFC2021);  | 
 | Management Information Base (MIB)  | Ether-Like (RFC1643, 2358, 2665); 802.1p (RFC2674); IF (RFC2233, 2863); Ping & Traceroute (RFC2925);  | 
 |    |    |    | RADIUS Authentication Client (RFC2618); RADIUS Accounting Client (RFC2620); D-Link Private MIB  | 
 |    |    |    | UDP (RFC768); TFTP (RFC783); IP (RFC791); ICMP (RFC792); TCP (RFC793); ARP (RFC826); Telnet (RFC854);  | 
 | Standard Compliance  | BootP (RFC951, 1542); HTTP (RFC2068); RADIUS (RFC2138); RADIUS Accounting (RFC2139, 2866);  | 
 | DiffServ (RFC2474); DSCP AF (RFC2597); DSCP EF (RFC2598); TACACS (RFC1492); SNMPv1 (RFC1157);  | 
 |    |    |    | 
 |    |    |    | SNMPv2c (RFC1901, 1908); SNMPv3 (RFC2570, 2575); Syslog (RFC3164, 3295); DHCP Relay Option (RFC3046)  | 
 |    |    | Dimension (W x D x H)  | 19-inch, 1U Rack-Mount  |    |    | 19-inch, 1U Rack-Mount  | 
 |    |    | 441 x 210 x 44mm  |    |    | 441 x 310 x 44mm  | 
 |    |    |    |    |    | 
 |    |    | Weight  | 2.51kg  |    | 5.42kg  | 4.09kg  | 
 |    |    |    | AC Input: 100-240VAC,  |    |    | AC Input: 100-240VAC,  | 
 |    |    | Power Input  |    |    | 50/60Hz; Internal Universal  | 
 |    |    | 50/60Hz; Universal Power Supply  |    |    | 
 |    |    |    |    |    | Power Supply  | 
 |    |    |    |    |    |    | 
 |    |    | Max. Power  | 20.5W  |    | 505.1W  | 33.1W  | 
 |    |    | Consumption  |    | 
 |    |    |    |    |    |    | 
 |    |    |    |    |    | Power Budget: 370W;  |    | 
 | Physical &  | Power over Ethernet  | -  |    | Port 1-8: 30W  | -  | 
 |    | Port 9-24: 15.4W  | 
 | Environment  |    |    |    |    | 
 |    |    |    | Time-based PoE  |    | 
 |    |    |    |    |    |    | 
 |    |    | Redundant Power  | DPS-200  |    | DPS-600  | DPS-200  | 
 |    |    | Supply  |    | 
 |    |    |    |    |    |    | 
 |    |    | Operation  |    |    | 0 to 50 °C  |    | 
 |    |    | Temperature  |    |    |    | 
 |    |    |    |    |    |    | 
 |    |    | Storage Temperature  |    |    | -40 to 70 °C  |    | 
 |    |    | Operation Humidity  |    |    | 5% to 95% Non-Condensing  | 
 |    |    | Acoustic  | 0 dB  |    | 48.2 dB at Max Speed  | 35.1 dB at Max Speed  | 
 |    |    | Fan  | Fanless  |    | 4 DC Fans  | 2 DC Fans  | 
 |    |    | Real Time Clock (RTC)  | Maintain the Timing Setting when the Device Power is Off  | 
 |    |    | EMI-EMC Compliance  |    | FCC Class A; CE Class A; C-Tick; VCCI  | 
 | Certification  | Safety Compliance  |    |    | CB; UL/cUL  |    | 
 |    |    | Metro Ethernet Forum  | MEF 9, 14  |    |    | -  |