Certificates
Certification	CB, UL, BSMI, CCC
Data transmission
Switching capacity	128 Gbit/s
Forwarding rate	95.24 Mpps
MAC address table	16000 entries
Number of static routes	124
Jumbo frames	12000
Packet buffer memory	12 MB
Store-and-forward
Static route
Jumbo frames support
Design
Product colour	Black
LED indicators	Activity, Link, Power, Speed
Electromagnetic compatibility	CE A, VCCI A, FCC A, IC, BSMI
Rack mounting
Logistics data
Harmonized System (HS) code	85176990
Management features
Switch type	Managed
Switch layer	L3
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,
Quality of Service (QoS) support
Web-based management
ARP inspection
Configuring Location Settings (CLI)
System event log
Multicast features
Multicast support
Network
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
Copper ethernet cabling technology	10BASE-T, 100BASE-TX, 1000BASE-T
Cable types supported	Cat5, Cat5e
Virtual LAN features	Voice VLAN
Number of VLANs	4094
10G support
Port mirroring
Full duplex
Flow control support
Link aggregation
Broadcast storm control
Auto MDI/MDI-X
Spanning tree protocol
Head-of-line (HOL) blocking
VLAN support
Operational conditions
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
Optical fiber
Fiber ethernet cabling technology	100BASE-FX, 1000BASE-LHX, 1000BASE-X, 1000BASE‑LX, 1000BASE‑SX, 1000BASE‑ZX
Packaging data
Package width	282 mm
Package depth	563 mm
Package height	89 mm
Package weight	2.97 kg
Performance
Memory type	DDR3-SDRAM
Internal memory	2048 MB
Flash memory	64 MB
Noise level	47.6 dB
Mean time between failures (MTBF)	743482.45 h
Firmware upgradeable
Ports & interfaces
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
Power
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (max)	30.6 W
Power supply included
Power over Ethernet (PoE)
Power over Ethernet (PoE)
Security
DHCP features	DHCP client, DHCP server, DHCP snooping
Access Control List (ACL) rules	768
Security algorithms	EAP, MD5, PEAP, SSH, SSL/TLS, TTLS
Queue scheduling algorithms	Weighted Round Robin (WRR)
Access Control List (ACL)
IGMP snooping
Loop protection
IP-MAC-Port binding
Technical details
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
Weight & dimensions
Width	440 mm
Depth	140 mm
Height	44 mm
Weight	3.86 kg

Die DGS-1250-Serie bildet die neueste Generation der Smart Managed Switches von D-Link mit 10-Gigabit-Anschlüssen. Der DGS-1250-28X verfügt über 24 Gigabit RJ45 Anschlüssen sowie zusätzliche SFP+ Ports.
Anzahl/Art der Ports: 24 x 10/100/1000BaseT, 4 x SFP+
SFP/SFP+ Anschlüsse: Nein / 4
10G Anschlüsse: 4 x SFP+
Management Level: Smart Managed
PoE Ports/PoE Power Budget: Nein/Nein
OSI Level / Stackable: Layer 2+ / Ja
Lüfter: 1 x Smart
Gehäuseform/-material: 48,3 cm ( 19 inch ) / Metall