| รุ่น / SKU | DGS-1520-28MP |
|---|
| พอร์ต Gigabit (RJ45) | 20 x 10/100/1000BASE-T PoE ports |
|---|
| พอร์ต 2.5G (RJ45) | 4 x 2.5GBASE-T PoE ports |
|---|
| พอร์ต 10G (RJ45) | 2 x 10GBASE-T ports (uplink or stacking) |
|---|
| พอร์ต SFP+ | 2 x 10G SFP+ ports (uplink or stacking) |
|---|
| พอร์ต Console | RJ-45 port for out-of-band CLI management |
|---|
| ไฟสถานะ (LED) | - Power/Stacking ID/Fan (per device)
- Link/Activity/Speed (per port)
|
|---|
| Switching Capacity | 140 Gbps |
|---|
| Forwarding Rate | 104.16 Mpps |
|---|
| MAC Address Table | - Up to 16,384 entries per device
- up to 512 static MAC entries
|
|---|
| Jumbo Frame | Up to 12,288 bytes |
|---|
| Stacking | - Physical stacking up to 8 units per stack via 10GBase-T and/or SFP+ (up to 80 Gbps stacking bandwidth, ring/chain)
- Virtual stacking: D-Link SIM, up to 32 units
|
|---|
| พอร์ต PoE | - 20 x 10/100/1000BASE-T PoE + 4 x 2.5GBASE-T PoE
- IEEE 802.3af/at
|
|---|
| กำลังไฟ PoE รวม (PoE Budget) | |
|---|
| ฟีเจอร์ PoE | |
|---|
| การจัดการ (Management) | Layer 3 Stackable Smart Managed |
|---|
| ช่องทางการจัดการ | - Web GUI (IPv4/IPv6, HTTPS)
- CLI (RJ-45 console / Telnet / SSH)
- SNMP v1/v2c/v3
- RMON v1/v2
- sFlow
- D-View 7 / D-View 8 NMS (optional license)
- D-Link Network Assistant (DNA)
|
|---|
| ฟีเจอร์การจัดการ | - Zero Touch Provisioning (ZTP)
- DHCP auto-configuration/auto image
- Multiple images & configurations
- DHCP server
- DHCP/DHCPv6 relay
- NTPv3/v4
- Syslog
- Command logging
- SMTP
- D-Link Discover Protocol (DDP)
- Microsoft NLB
|
|---|
| ประหยัดพลังงาน (Green Technology) | - Energy-Efficient Ethernet (EEE)
- Power saving by link status, LED shut-off, port shut-off and system hibernation
- Time-based PoE
|
|---|
| VLAN | - 802.1Q
- Max. 4K VLAN groups
- GVRP
- Q-in-Q (port-based & selective)
- VLAN translation
- Voice VLAN
- Auto Surveillance VLAN
- MAC/Protocol/Subnet-based VLAN
- Private VLAN
- Super VLAN
- ISM VLAN
- Asymmetric VLAN
|
|---|
| Spanning Tree | - 802.1D STP
- 802.1w RSTP
- 802.1s MSTP
- BPDU Filtering
- Root Guard
- Loop Guard
|
|---|
| Link Aggregation | - 802.1AX/802.3ad
- Max. 32 groups per device, 8 ports per group
|
|---|
| IGMP / Multicast | - IGMP v1/v2/v3 Snooping (512 groups, 128 static)
- IGMP Snooping Querier
- Host-based Fast Leave
- MLD v1/v2 Snooping (256 groups, 64 static)
- MLD Snooping Querier
- MLD Proxy Reporting
|
|---|
| Port Mirroring | - One-to-One
- Many-to-One
- Tx/Rx
- 4 mirroring groups
- Flow mirroring
- VLAN mirroring
- RSPAN
|
|---|
| LLDP | |
|---|
| Loopback Detection | Supported |
|---|
| Cable Diagnostics | - Supported
- Optical transceiver DDM
|
|---|
| ฟีเจอร์ L2 อื่น ๆ | - ERPS v1/v2
- L2 Protocol Tunneling
- 802.3x Flow Control
- HOL Blocking Prevention
|
|---|
| Static Route | - Max. 512 IPv4 / 256 IPv6 static routes
- Default route
- Null route
- Policy-based Route (PBR)
|
|---|
| Dynamic Routing | - RIP v1/v2/ng
- OSPF v2/v3 (passive interface, stub/NSSA area, ECMP, text/MD5 authentication)
- Route redistribution
- ECMP / WCMP
|
|---|
| IPv6 | - IPv6 ND (4096 entries, 128 static)
- Static route
- RIPng
- OSPFv3
- MLD v1/v2
- PIM for IPv6
- DHCPv6 relay / Prefix Delegation
|
|---|
| L3 Multicast | - IGMP v1/v2/v3
- IGMP Proxy
- MLD v1/v2
- MLD proxy
- PIM-SM/DM/SSM (IPv4/IPv6)
- PIM-SDM
- DVMRP v3
|
|---|
| ฟีเจอร์ L3 อื่น ๆ | - VRRP v2/v3
- 1024 hardware routing entries (shared IPv4/IPv6)
- 8192 ARP entries (256 static)
- 16 IP interfaces
- Proxy ARP
- IP Helper
|
|---|
| QoS | - 802.1p
- 8 queues per port
- Strict / WRR / Strict+WRR / WDRR
- WRED
- 802.1Qbb PFC (10G ports)
- Policy map (remark, rate limiting, time-based QoS)
- Port/flow/per-queue bandwidth control (min. 8 Kbps)
- trTCM / srTCM
|
|---|
| ACL | - Ingress 1536 / Egress 512 hardware entries
- VLAN Access Map 2048
- Based on 802.1p, VID, MAC, EtherType, LLC, IP, ToS, DSCP, protocol, TCP/UDP port, IPv6 traffic class/flow label
- Time-based ACL
- CPU interface filtering
|
|---|
| 802.1X / Authentication | - 802.1X, MAC-based & Web-based Access Control (port/host-based, identity-driven policy, dynamic VLAN)
- Guest VLAN
- Compound authentication
- RADIUS & TACACS+ authentication/accounting
- Authentication database failover
|
|---|
| ความปลอดภัย | - D-Link Safeguard Engine
- Port Security (up to 64 MACs per port)
- DHCP Snooping
- IP Source Guard
- Dynamic ARP Inspection
- ARP Spoofing Prevention (max. 64)
- DHCP Server Screening
- DHCPv6 Guard
- IPv6 RA Guard
- uRPF
- BPDU Attack Protection
- DoS prevention
- SSH v2
- SSL (TLS 1.0/1.1/1.2)
|
|---|
| Storm Control | Broadcast/Multicast/Unicast Storm Control |
|---|
| ไฟเลี้ยง | 100 - 240 VAC |
|---|
| ไฟสำรอง (Redundant Power Supply) | Optional DPS-700 RPS (PoE models) |
|---|
| กำลังไฟสูงสุด | - 453.3 W (PoE on)
- 45.2 W (PoE off)
|
|---|
| ระดับเสียง | 57.1 dB(A) |
|---|
| ขนาด (กว้าง x ลึก x สูง) | 441 x 308.5 x 44 mm |
|---|
| น้ำหนัก | 4.29 kg |
|---|
| การติดตั้ง | 19” standard rack width, 1U height |
|---|
| อุณหภูมิใช้งาน | -5 to 50 °C (23 to 122 °F) |
|---|
| อุณหภูมิเก็บรักษา | -40 to 70 °C (-40 to 158 °F) |
|---|
| ความชื้นใช้งาน | 10% - 95% RH |
|---|
| MTBF | 333,946 hours |
|---|
| มาตรฐานรับรอง | - EMI: CE Class A, FCC Class A, IC Class A, RCM Class A, VCCI Class A, BSMI Class A
- NDAA compliant (dlink.com page)
|
|---|
| ระยะเวลารับประกัน | 5 ปี |
|---|
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