| รุ่น / SKU | DGS-1210-28/ME |
|---|
| พอร์ต Gigabit (RJ45) | 24 x 10/100/1000BASE-T ports |
|---|
| พอร์ต SFP | 4 x 1G SFP ports |
|---|
| พอร์ต Console | RJ-45 console port |
|---|
| มาตรฐานพอร์ต (Port Standards) | - IEEE 802.3i 10BASE-T
- IEEE 802.3u 100BASE-TX
- IEEE 802.3ab 1000BASE-T
- IEEE 802.3z 1000BASE-X
- IEEE 802.3az
- IEEE 802.3x Flow Control
- Auto-negotiation
- Auto MDI/MDIX
- Full/half-duplex 10/100 Mbps, full-duplex 1000 Mbps
|
|---|
| ไฟสถานะ (LED) | - Power (per device)
- Console (per device)
- Link/Active/Speed (per port)
|
|---|
| CPU | 400MHz |
|---|
| หน่วยความจำ (RAM) | 256 MB DDR3 |
|---|
| Flash | 32 MB |
|---|
| Packet Buffer | 1.5 MB |
|---|
| Switching Capacity | 56 Gbps |
|---|
| Forwarding Rate | 41.7 Mpps (64-byte max. forwarding rate) |
|---|
| MAC Address Table | 16K entries |
|---|
| Jumbo Frame | 9,216 bytes |
|---|
| การจัดการ (Management) | L2 Management Switch (Metro Ethernet) |
|---|
| ช่องทางการจัดการ | - Web-based GUI (IPv4/IPv6)
- Command Line Interface (CLI) via RJ-45 console
- Telnet Server/Client (IPv4/IPv6)
- SNMP v1/v2c/v3
- RMON v1/v2
- TFTP client
|
|---|
| ฟีเจอร์การจัดการ | - DHCP auto-configuration
- DHCP relay IPv4/IPv6 (option 12, 18, 37, 38, 82)
- PPPoE Circuit-ID tag insertion
- System log
- SNTP
- Trusted host
- CPU monitoring
- Command logging
- Text-editable config file
- Password recovery / encryption
|
|---|
| ความทนทานของเครือข่าย (ERPS / OAM) | - ITU-T G.8032 ERPS (sub-50 ms protection and recovery)
- IEEE 802.3ah Ethernet Link OAM
- D-Link Unidirectional Link Detection (DULD)
- Dying Gasp
- Optical transceiver DDM
|
|---|
| VLAN | - 802.1Q tagged VLAN
- Port-based VLAN
- Max. 4094 VLAN groups
- Max. 256 dynamic VLAN
- GVRP
- Asymmetric VLAN
- 802.1v protocol VLAN
- MAC-based VLAN
- Port-based Q-in-Q
- VLAN trunking
- ISM VLAN (multicast VLAN)
- Private VLAN
|
|---|
| Spanning Tree | - 802.1D STP
- 802.1w RSTP
- 802.1s MSTP
- BPDU filtering
- Root restriction
|
|---|
| Link Aggregation | - 802.3ad
- Max. 8 groups, 8 ports per group
|
|---|
| IGMP / Multicast | - IGMP v1/v2 snooping, v3 awareness
- 256 groups
- IGMP authentication/filtering
- VLAN/host-based fast leave
- Report suppression
- MLD v1 snooping, MLD v2 awareness (256 groups)
|
|---|
| Port Mirroring | - 1 mirroring group
- One-to-One, Many-to-One
- Flow-based (ACL) mirroring for ingress traffic
|
|---|
| LLDP | LLDP |
|---|
| Loopback Detection | Supported |
|---|
| Cable Diagnostics | Supported |
|---|
| ฟีเจอร์ L2 อื่น ๆ | - L2 Protocol Tunneling (L2PT)
- IEEE 802.3x Flow Control
|
|---|
| Static Route | - 64 IPv4 static routes
- 32 IPv6 static routes
- Default route
|
|---|
| IPv6 | - IPv4/IPv6 dual stack
- IPv6 Neighbor Discovery
- Path MTU Discovery
- IPv6 stateless address auto-configuration
|
|---|
| ฟีเจอร์ L3 อื่น ๆ | - Max. 256 ARP entries
- 255 static ARP entries
- Gratuitous ARP
- Max. 4 IP interfaces (product page)
|
|---|
| QoS | - 8 outbound queues
- Strict priority / Weighted Round Robin (WRR)
- CoS based on switch port, 802.1p, VLAN ID, MAC, IPv4/IPv6 address, DSCP, TOS, protocol type, TCP/UDP port, IPv6 traffic class
- Bandwidth control: port-based & flow-based ingress, egress queue (min. granularity 64 Kbps)
|
|---|
| ACL | - Up to 256 ingress access rules
- Permit/deny/mirror
- Time-based ACL
- ACL statistics
- CPU interface filtering
- Based on port, 802.1p, VLAN ID, MAC, EtherType, TOS, IPv4/v6 address, DSCP, protocol type, TCP/UDP port, ICMP, IPv6 traffic class
|
|---|
| 802.1X / Authentication | - 802.1X host-based / port-based access control
- Guest VLAN
- Host-based MAC authentication
- MAC-based access control (max. 512 local entries)
- RADIUS / TACACS+ authentication and accounting
- 4-level user privilege
|
|---|
| ความปลอดภัย | - D-Link Safeguard Engine
- Port security (up to 64 MAC addresses per port)
- IP-MAC-Port Binding (ARP inspection, IP inspection, IPv6 DHCP snooping)
- SSH v2
- SSL v1/2/3
- DHCP server screening
- DHCP client filtering
- BPDU attack protection
- DoS attack prevention
- Traffic segmentation
|
|---|
| Storm Control | Broadcast/Multicast/Unicast storm control |
|---|
| ไฟเลี้ยง | AC Input: 100 to 240 V AC, 50/60 Hz |
|---|
| ไฟสำรอง (RPS / Battery) | - Rear RPS socket for connecting external lead-acid batteries
- Battery status monitoring through CLI or SNMP
|
|---|
| กำลังไฟสูงสุด | - 19.05 W/100 V
- 19.14 W/240 V
|
|---|
| ความร้อนที่ระบาย (Heat Dissipation) | 60.12 BTU/hr |
|---|
| การระบายความร้อน | Fanless |
|---|
| ระดับเสียง | 0 dB(A) |
|---|
| ขนาด (กว้าง x ลึก x สูง) | 440 x 140 x 44 mm |
|---|
| น้ำหนัก | 2.21 kg |
|---|
| การติดตั้ง | 19-inch standard rack-mount width, 1U height |
|---|
| อุณหภูมิใช้งาน | -5 to 50 °C (23 to 122 °F) |
|---|
| อุณหภูมิเก็บรักษา | -40 to 70 °C (-40 to 158 °F) |
|---|
| ความชื้นใช้งาน | 10% to 90% non-condensing |
|---|
| ระดับความสูงใช้งาน (Operating Altitude) | 1500 m |
|---|
| ป้องกันไฟกระชาก | All Gigabit Ethernet ports support IEC 61000-4-5 surge protection (up to 6 kV) |
|---|
| MTBF | 497,918 hours |
|---|
| มาตรฐานรับรอง | - EMI: FCC class A, CE class A, VCCI, BSMI, CCC
- Safety: CE, LVD, UL, CB
|
|---|
| ระยะเวลารับประกัน | 3 ปี |
|---|
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