SG250X-48 Specification
|
|
Capacity in millions of packets per second (mpps) (64-byte packets)
|
130.94
|
|
Switching capacity in gigabits per second (Gbps)
|
176.0
|
|
Spanning Tree Protocol (STP)
|
Standard 802.1d spanning tree support
Fast convergence using 802.1w (Rapid Spanning Tree Protocol [RSTP]), enabled by default
Multiple spanning tree instances using 802.1s (MSTP); 8 instances are supported
Per-VLAN Spanning Tree Plus (PVST+) and Rapid PVST+ (RPVST+); 126 instances are supported
|
|
Port grouping/link aggregation
|
Support for IEEE 802.3ad Link Aggregation Control Protocol (LACP)
● Up to 4 groups
● Up to 8 ports per group with 16 candidate ports for each (dynamic) 802.3ad LAG
|
|
VLAN
|
Support for up to 255 active VLANs simultaneously
Port-based and 802.1Q tag-based VLANs
Management VLAN
Guest VLAN
|
|
Voice VLAN
|
Voice traffic is automatically assigned to a voice-specific VLAN and treated with appropriate levels of QoS. Auto voice capabilities deliver networkwide zero-touch deployment of voice endpoints and call control devices
|
|
Generic VLAN Registration Protocol (GVRP) and Generic Attribute Registration Protocol (GARP)
|
Protocols for automatically propagating and configuring VLANs in a bridged domain
|
|
HOL blocking
|
Head-Of-Line (HOL) blocking
|
|
IPv4 routing
|
Wire-speed routing of IPv4 packets
Up to 32 static routes and up to 16 IP interfaces
|
|
IPv6 routing
|
Wire-speed routing of IPv6 packets
|
|
Total system ports
|
48 Gigabit Ethernet +
4 10 Gigabit Ethernet
|
|
RJ-45 ports
|
48 Gigabit Ethernet
|
|
Combo ports (RJ-45 + SFP)
|
2 10 Gigabit Ethernet copper +
2 SFP+
|
|
USB slot
|
USB Type-A slot on the front panel of the switch for easy file and image management
|
|
Buttons
|
Reset button
|
|
Cabling type
|
Unshielded Twisted Pair (UTP) Category 5 or better for 10BASE-T/100BASE-TX; UTP Category 5e or better for 1000BASE-T
|
|
Mounting Options
|
Desktop placement, rackmount (excluding SG250-08 and SG250-08HP) and wall-mount
|
|
LEDs
|
System, Link/Act, PoE, Speed
|
|
Flash
|
256 MB
|
|
CPU memory
|
512 MB
|
|
Packet buffer
|
24 Mb
|
|
Unit dimensions (W x H x D)
|
440 x 44 x 257 mm (17.3 x 1.73 x 10.12 in)
|
|
Power
|
100 to 240V 50 to 60 Hz, internal, universal: SF250-24, SF250-24P, SF250-48, SF250-48HP, SG250-26, SG250-26HP, SG250-26P, SG250-50, SG250-50HP, SG250-50P, SG250X-24, SG250X-24P, SG250X-48, SG250X-48P
100 to 240V 50 to 60 Hz, external: SG250-08, SG250-08HP, SG250-10P
|
|
Certification
|
UL (UL 60950), CSA (CSA 22.2), CE mark, FCC Part 15 (CFR 47) Class A
|
|
Operating temperature
|
32° to 122°F (0° to 50°C)
|
|
Storage temperature
|
-4° to 158°F (-20° to 70°C)
|
|
Operating humidity
|
10% to 90%, relative, noncondensing
|
|
Storage humidity
|
10% to 90%, relative, noncondensing
|
