D-LINK Industrial Layer 2+ Gigabit Managed Switch with 10G SFP+ slots DIS-700G-28XS

28-port Gigabit SFP Layer 2 Managed Industrial Switch with 4-port 10G Uplinks
24 x 100/1000Mbps SFP
4 x 10G SFP+
MAC Address 8K
IP30,-40°C to +75°C Operating Temperature Range, PSU not included, Managed Layer 2+

Type	Managed
Number of ports	16 to 30 ports
Layer	Layer 2+
Main type of ports	SFP
Type of uplink ports	10GbE SFP+
Fanless
Form Factor	Rackmountable
Housing	Metal
Jumbo frame	√
Environmental	Free Fall: IEC60068-2-32 Shock: IEC60068-2-27 Vibration: IEC60068-2-6
<20ms link loss recovery	√
MAC address	8K
Spanning Tree Protocol	802.1D STP 802.1s MSTP 802.1w RSTP
Link aggregation	802.3ad
VLAN group (max static)	2048
VLAN type	Port-based Protocol-based
Advanced VLAN	Double VLAN (Q-in-Q)
Number of QoS queues per port	8
CoS based on contents
Bandwidth control	1 Kbps minimum granularity
Three colour marker	1 Kbps minimum granularity
Encryption protocol supported	SSH
BPDU attack protection	√
802.1X access control	√
RADIUS/TACACS+ authentication	√
SNMP (v1/v2c/v3)	√