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 MS390-48-HW

Interface

• 48 × 100/1/2.5/5/10G Ethernet (RJ45)
• 4/8 × 10G SFP+ uplink modules
• 2 × 40G QSFP uplink modules
• Auto-negotiation and crossover detection
• 2 × dedicated stacking ports

Switching Capacity

256 Gbps

Stacking Bandwidth

480 Gbps

Forwarding rate

190.48 Mpps

Physical Dimensions (H x W x D)

1.73” x 17.5” x17.7” (4.4 x 44.5 x 44.9cm)

Weight

16.43 lb (7.45 kg)

Idle / Full Load Power

83.9 / 109.9 W

Available PoE W/ Primary PS

n/a

Power Supply Configuration

Hot-swappable

Stacking

- Virtual Stacking supports thousands of switch ports in a single logical stack for unified management, monitoring, and configuration

Ethernet Switching Capabilities

- 802.1p Quality of Service, 8 queues (w/ 6 configurable for DSCP-to-CoS mapping)
- 802.1Q VLAN and trunking support for up to 4,094 VLANs
- 802.1w, 802.1D Rapid Spanning Tree Protocol (RSTP, STP)
- STP Enhancements: BPDU guard, Root guard, Loop guard, UDLD
- Broadcast storm control
- 802.1ab Link Layer Discovery Protocol (LLDP) and Cisco Discovery Protocol (CDP)
- 802.3ad Link aggregation with up to 8 ports per aggregate, Multichassis aggregates supported on stacked switches
- Port mirroring
- IGMP snooping for multicast filtering
- MAC forwarding entries: 32K

Layer 3 capabilities 

- Static routing, OSFPv2
- Multicast routing
- Warm Spare (VRRP) 2
- DHCP Relay, DHCP Server

Mounting

- 1U rack-mountable
- 2/4-post mounting options available

Performance

- Switching capacity: 256 Gbps
- Forwarding rate: 190 Mpps with standard packet size
- Jumbo frame (9600 byte Ethernet frame)
- Flow control

Power

- Power input: 100-240V~, 50-60Hz
- Power consumption: 83.9 / 109.9 W

MTBF

305,870

Environment

Operating temp: 0°C to 45°C, Humidity: 5 to 95% non-condensing

Warranty

Full lifetime hardware warranty with next-day advanced replacement included