Model

GS348T

Form-Factor

Rackmount

10/100/1000
Base-T RJ45 ports

48

1000BASE-X Fiber SFP Ports

4

Power Supply

1 internal PSU, fixed

Fans

1 internal fan, fixed

Packet buffer

1.5MB

CPU

400MHz, 512MB DDR RAM, 128MB FLASH

ACLs

100 shared

MAC Address Table ARP Table VLANs

16K MAC, 64 VLANs

Fabric

104 Gbps line-rate

Latency (64-Byte Packet)

1G Copper: 1G Fiber:

Multicast IGMP Group

512

Forwarding modes

Store-and-forward

Bandwidth

104 Gpbs

Priority queues

8

Priority queuing

Weighted Round Robin (WRR) and Strict Priority

MAC address database size
(48-bit MAC addresses)

16K

Multicast groups

512

Number of VLANs

64

Number of DHCP snooping bindings

8K

Access Control Lists (ACLs)

100 shared for MAC (ingress)

Packet forwarding rate
(64 byte packet size) (Mpps)

77.3

Acoustic noise level @ 25°C (dBA)
(ANSI-S10.12) 

26.0dBA

Mean Time Between Failures (MTBF) @ 25°C

1,271,842 hrs
(145 yrs)

1G Copper Latency
(64-byte; 1518-byte; 9216-byte frames)

2.860μs; 2.920μs;
2.760μs

L2 SERVICES - VLANS

IEEE 802.1Q VLAN tagging

Yes

IP-based VLANs

Yes

MAC-based VLANs

Yes

Auto-Voice VLAN

Yes, based on OUI bytes (default database and user-based OUIs) in the phone source MAC address

Auto-VoIP

Yes, based on protocols (SIP). Prioritzes traffic to a higher queue

Voice VLAN

Yes, based on either VLAN ID or 802.1p priority,
packets are passed onto the connecting VoIP phone using LLDP-MED

Auto-Video VLAN

Yes

IP-based VLANs

Yes

MAC-based VLANs

Yes

Auto-Voice VLAN

Yes, based on OUI bytes (default database and user-based OUIs) in the phone source MAC address

Auto-VoIP

Yes, based on protocols (SIP). Prioritzes traffic to a higher queue

Auto-Video VLAN

Yes, based on either VLAN ID or 802.1p priority,
packets are passed onto the connecting VoIP phone using LLDP-MED

Voice VLAN

Yes

Many-to-one port mirroring

52

Web browser-based graphical
user interface (GUI)

Yes

TLS/HTTPS Web-based access (version)

Yes (v1.2)

File transfers (uploads, downloads)

TFTP / HTTP

HTTP upload/download (firmware)

Yes

Syslog (RFC 3164)

Yes

LEDS

Per port

Speed, Link/ Activity

Per device

Power, Fan

Dimensions

440 x 206 x 43 mm

Weight

3.05 kg