| Switch type | Managed |
| Switch layer | L3 |
| Quality of Service (QoS) support | Yes |
| Web-based management | Yes |
| ARP inspection | Yes |
| Configuring Location Settings (CLI) | Yes |
| System event log | Yes |
| MIB support | RFC2893, RFC4213, RFC4291, RFC2464, RFC2462, RFC4862, RFC2461, RFC4861, RFC2573, RFC1321, RFC2284, RFC2865, RFC2716, RFC3580, RFC826, RFC2463, RFC4443, RFC792, RFC793, RFC768, RFC791, RFC2389, RFC4113, RFC4022, RFC2618, RFC2674, RFC1398, RFC1643, RFC1650, RFC2358, RFC2665, RFC2021, RFC271, RFC1757, RFC2819, RFC1442, RFC1901, RFC1902, RFC1903, RFC1904, RFC1905, RFC1906, RFC1907, RFC1908, RFC2578, RFC3418, RFC2573, RFC2575, RFC2576, RFC1212, RFC1213, RFC1215, RFC1493, RFC1157, RFC2620, |
| Basic switching RJ-45 Ethernet ports quantity | 24 |
| Basic switching RJ-45 Ethernet ports type | Gigabit Ethernet (10/100/1000) |
| SFP+ module slots quantity | 4 |
| Console port | RJ-45 |
| Networking standards | IEEE 802.1D, IEEE 802.1Q, IEEE 802.1p, IEEE 802.1s, IEEE 802.1w, IEEE 802.3, IEEE 802.3ab, IEEE 802.3ad, IEEE 802.3ae, IEEE 802.3az, IEEE 802.3u, IEEE 802.3x, IEEE 802.3z |
| 10G support | Yes |
| Copper ethernet cabling technology | 10BASE-T, 100BASE-TX, 1000BASE-T |
| Cable types supported | Cat5, Cat5e |
| Port mirroring | Yes |
| Full duplex | Yes |
| Flow control support | Yes |
| Link aggregation | Yes |
| Broadcast storm control | Yes |
| Auto MDI/MDI-X | Yes |
| Spanning tree protocol | Yes |
| Head-of-line (HOL) blocking | Yes |
| VLAN support | Yes |
| Virtual LAN features | Voice VLAN |
| Number of VLANs | 4094 |
| Fiber ethernet cabling technology | 100BASE-FX, 1000BASE-LHX, 1000BASE-X, 1000BASE‑LX, 1000BASE‑SX, 1000BASE‑ZX |
| MAC address table | 16000 entries |
| Switching capacity | 128 Gbit/s |
| Forwarding rate | 95.24 Mpps |
| Store-and-forward | Yes |
| Static route | Yes |
| Number of static routes | 124 |
| Jumbo frames support | Yes |
| Jumbo frames | 12000 |
| Packet buffer memory | 12 MB |
| DHCP features | DHCP client, DHCP server, DHCP snooping |
| Access Control List (ACL) | Yes |
| Access Control List (ACL) rules | 768 |
| IGMP snooping | Yes |
| Security algorithms | EAP, MD5, PEAP, SSH, SSL/TLS, TTLS |
| Loop protection | Yes |
| IP-MAC-Port binding | Yes |
| Queue scheduling algorithms | Weighted Round Robin (WRR) |
| Multicast support | Yes |
| Rack mounting | Yes |
| Product colour | Black |
| LED indicators | Activity, Link, Power, Speed |
| Electromagnetic compatibility | CE A, VCCI A, FCC A, IC, BSMI |
| Certification | CB, UL, BSMI, CCC |
| Memory type | DDR3-SDRAM |
| Internal memory | 2048 MB |
| Flash memory | 64 MB |
| Noise level | 47.6 dB |
| Firmware upgradeable | Yes |
| Mean time between failures (MTBF) | 743482.45 h |
| Shipping (inner) case height | 31.8 cm |
| Shipping (inner) case width | 47.8 cm |
| Shipping (inner) case length | 58.5 cm |
| Shipping (inner) case net weight | 11.6 kg |
| Products per shipping (inner) case | 5 pc(s) |
| Pallet gross weight (air) | 407.6 kg |
| Master (outer) cases per pallet (air) | 24 pc(s) |
| Products per pallet (air) | 120 pc(s) |
| Pallet gross length | 110 cm |
| Pallet gross width | 120 cm |
| Pallet height (air) | 2.04 m |
| Pallet gross weight (sea) | 407.6 kg |
| Master (outer) cases per pallet (sea) | 24 pc(s) |
| Products per pallet (sea) | 120 pc(s) |
| Pallet height (sea) | 2.04 m |
| Shipping (inner) case gross weight | 16.2 kg |
| Power supply included | Yes |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
| Power consumption (max) | 30.6 W |
| Power over Ethernet (PoE) | No |
| Operating temperature (T-T) | -5 - 50 °C |
| Storage temperature (T-T) | -20 - 70 °C |
| Operating relative humidity (H-H) | 0 - 95% |
| Storage relative humidity (H-H) | 0 - 95% |
| Heat dissipation | 104.346 BTU/h |
| Width | 440 mm |
| Depth | 140 mm |
| Height | 44 mm |
| Weight | 3.86 kg |
| Package width | 282 mm |
| Package depth | 563 mm |
| Package height | 89 mm |
| Package weight | 2.97 kg |
| Harmonized System (HS) code | 85176990 |
| Description |
| D-Link DGS-1250-28X. Switch type: Managed, Switch layer: L3. Basic switching RJ-45 Ethernet ports type: Gigabit Ethernet (10/100/1000), Basic switching RJ-45 Ethernet ports quantity: 24, Console port: RJ-45. Full duplex. MAC address table: 16000 entries, Switching capacity: 128 Gbit/s. Networking standards: IEEE 802.1D, IEEE 802.1Q, IEEE 802.1p, IEEE 802.1s, IEEE 802.1w, IEEE 802.3, IEEE 802.3ab, IEEE.... Rack mounting |
