| รุ่น / SKU | DMS-1250-28P |
|---|
| พอร์ต 2.5G (RJ45) | 24 x 100/1000/2.5GBASE-T PoE ports |
|---|
| พอร์ต SFP+ | 4 x 10G SFP+ ports |
|---|
| พอร์ต Console | Console port supported (full CLI) |
|---|
| มาตรฐานพอร์ต (Port Standards) | - IEEE 802.3u 100BASE-TX
- IEEE 802.3ab 1000BASE-T
- IEEE 802.3bz 2.5GBASE-T
- IEEE 802.3ae 10G Ethernet over fiber
- IEEE 802.3z 1000BASE-X
- IEEE 802.3az Energy-Efficient Ethernet (EEE)
- IEEE 802.3af/at PoE
|
|---|
| สายสัญญาณ (Network Cables) | UTP Cat. 5e or above for 100/1G/2.5G/5GBASE-T (max 100 m) |
|---|
| ไฟสถานะ (LED) | - Power (per device)
- Link/Active/Speed (per RJ-45 port)
- Link/Active/Speed (per 10G SFP+ port)
- PoE Max and PoE Status
|
|---|
| หน่วยความจำ (RAM) | 512 MB DRAM |
|---|
| Flash | 32 MB |
|---|
| Packet Buffer | 16 Mbits |
|---|
| Switching Capacity | 200 Gbps |
|---|
| Forwarding Rate | 148.81 Mpps |
|---|
| MAC Address Table | 32K entries (256 static MAC addresses) |
|---|
| Jumbo Frame | Up to 12,000 bytes |
|---|
| วิธีการส่งต่อ (Transmission Method) | Store-and-forward |
|---|
| พอร์ต PoE | 24 x IEEE 802.3bt ports (IEEE 802.3af/at/bt) |
|---|
| กำลังไฟ PoE รวม (PoE Budget) | 475 W |
|---|
| กำลังไฟ PoE สูงสุดต่อพอร์ต | 90 W (IEEE 802.3bt) |
|---|
| ฟีเจอร์ PoE (PoE Features) | - Perpetual PoE
- Fast PoE
- PD-Alive
- Time-based PoE (schedule per port or system)
- LLDP power negotiation for 802.3at/802.3bt devices
|
|---|
| การจัดการ (Management) | Standard Smart Managed (Layer 2 / L2+ features with static routing) |
|---|
| ช่องทางการจัดการ | - Web-based GUI
- Full CLI (console port / Telnet)
- SNMP v1/v2c/v3 + SNMP Trap
- RMONv2
- Smart Wizard
- Nuclias Connect (v1.3.0 or later), DNH-1000, DNH-3000 and Nuclias Hyper
|
|---|
| ฟีเจอร์การจัดการ | - Dual image
- Dual configuration
- DHCP auto configuration
- DHCP auto-image
- DHCP/DHCPv6 local relay
- DHCP relay Option 82
- SNTP
- Trusted host
- System log
- Command logging
- Firmware backup/upgrade
- Config upload/download
|
|---|
| VLAN | - 802.1Q
- Max. 4094 static VLAN groups
- Configurable VID 1–4094
- Asymmetric VLAN
- Auto Voice VLAN
- Auto Surveillance VLAN
- GVRP
- ISM VLAN
- VLAN Translation
- Selective Q-in-Q
|
|---|
| Spanning Tree | - 802.1D STP
- 802.1w RSTP
- 802.1s MSTP
|
|---|
| Link Aggregation | - 802.3ad
- Max. 8 groups per device, 8 ports per group
|
|---|
| IGMP / Multicast | - IGMP Snooping (v1/v2/v3 awareness)
- 256 IGMP groups
- IGMP per VLAN
- IGMP Snooping Querier
- MLD Snooping v1/v2 awareness (256 groups)
- Multicast filtering
|
|---|
| Port Mirroring | - One-to-One
- Many-to-One
- Tx/Rx/Both
|
|---|
| LLDP | |
|---|
| Loopback Detection | Supported |
|---|
| Cable Diagnostics | Supported |
|---|
| ฟีเจอร์ L2 อื่น ๆ | - ERPS (Ethernet Ring Protection Switching)
- 802.3x Flow Control
- HOL Blocking Prevention
- DDM support for optics
|
|---|
| Static Route | - 128 IPv4 static route entries
- 64 IPv6 static route entries
|
|---|
| IPv6 | - IPv4/IPv6 interface
- IPv6 Neighbor Discovery (ND)
- IPv4/v6 dual stack
|
|---|
| QoS | - 802.1p
- 8 queues per port
- Strict / WFQ / WRR
- QoS based on 802.1p priority and DSCP
- Port-based bandwidth control (ingress/egress, min. granularity 16 Kbps)
|
|---|
| ACL | - Max. 50 access lists
- Max. 768 entries shared by IPv4 and MAC
- Max. 384 entries for IPv6
- Based on MAC, 802.1p, VID, EtherType, IP address, DSCP, protocol type, TCP/UDP port, IPv6 traffic class
|
|---|
| 802.1X / Authentication | - 802.1X port-based and host-based access control
- Local/RADIUS database
- EAP, OTP, TLS, TTLS, PEAP
- AAA for RADIUS/TACACS+
- IPv6 RADIUS server
|
|---|
| ความปลอดภัย | - D-Link Safeguard Engine
- Port Security (up to 64 MAC addresses per port)
- IP-MAC-Port Binding (max. 64 entries)
- ARP Inspection
- DHCP Snooping
- DHCP Server Screening
- DoS attack prevention
- Traffic segmentation
- TLS v1.3
|
|---|
| Storm Control | Broadcast / Multicast / Unicast Storm Control |
|---|
| ไฟเลี้ยง | 100 to 240 V AC, 50/60 Hz (internal power supply) |
|---|
| กำลังไฟสูงสุด | - 592.19 W (PoE on)
- 49.909 W (PoE off)
|
|---|
| การระบายความร้อน | 4 internal fans (5-speed smart fan, Quiet mode / Fan Off mode) |
|---|
| ขนาด (กว้าง x ลึก x สูง) | 440 x 250 x 44 mm |
|---|
| น้ำหนัก | 4.179 kg (9.21 lbs) |
|---|
| การติดตั้ง | Desktop or 19-inch rack mountable |
|---|
| ประหยัดพลังงาน (Green Technology) | - IEEE 802.3az EEE
- Power saving by link status
- Port shut off
- Time-based PoE
|
|---|
| อุณหภูมิใช้งาน | -5 to 50 °C (23 to 122 °F) |
|---|
| อุณหภูมิเก็บรักษา | -20 to 70 °C (-4 to 158 °F) |
|---|
| ความชื้นใช้งาน | 0% to 95% relative humidity |
|---|
| ความชื้นเก็บรักษา | 0% to 95% relative humidity |
|---|
| ป้องกันไฟกระชาก | - 6 kV surge protection on all 2.5-Gigabit Ethernet ports
- IEEE61000-4-5 surge protection compliance
|
|---|
| มาตรฐานรับรอง | - Safety: CB, UL, BSMI
- EMI: CE Class A, VCCI Class A, FCC Class A, IC, BSMI, RCM
|
|---|
| ระยะเวลารับประกัน | 5 ปี |
|---|
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