
Technical Specifications
Network Protocol and•
Standards Compatibility:
IEEE 802.3 10BASE-T–
IEEE 802.3u 100BASE-TX–
IEEE 802.3ab 1000BASE-T–
IEEE 802.3z 1000BASE-X–
IEEE 802.3x full-duplex flow control–
Interfaces•
24 or 48 10/100/1000 Mbps–
switching ports
4 built-in shared SFP Gigabit–
Ethernet fiber ports for
100/1000 Mbps connectivity
Auto-sensing and auto-negotiating–
capabilities for all copper ports
AutoUplink™onallportstomakethe–
right connection
Administrative Switch Management•
IEEE 8021.Q VLAN (128 groups, Static)–
Auto-Voice VLAN–
IEEE 802.1p Class of Service (CoS)–
IEEE 802.3ad static or dynamic link–
aggregation (LACP)
IEEE802.1DSpanningTreeProtocol–
IEEE802.1abLLDP&LLDP-MED–
SNMP v1, v2c, v3–
RFC 1213 MIB II–
RFC 1643 Ethernet Interface MIB–
RFC 1493 Bridge MIB–
RFC2131DHCPclient–
RMONgroup1,2,3,9–
Private Enterprise MIB–
IEEE802.1x(RADIUS)–
RADIUSaccounting–
Access control list (ACL)–
Layer 3 Quality of Service (QoS)–
TACACS+–
RADIUSaccounting–
Port-based security by locked–
MAC addresses
Protected ports–
IGMP snooping–
Storm control for broadcast, multicast–
and unknown unicast packets
Port-based ingress/egress rate limiting–
SNTP–
Port mirroring support–
Web-based configuration–
Configuration backup/restore–
Password access control–
Firmware upgradeable–
Cable test–
Performance Specifications•
Forwarding modes: Store-and-forward–
Bandwidth:–
- GS724AT - 48 Gbps
- GS748AT - 98 Gbps
Network latency: Less than 3–
microseconds for 64-byte frames in
store-and-forward mode for 1000
Mbps to 1000 Mbps transmission
Buffer memory:–
- GS724AT - 3 MB
- GS748AT - 6 MB
Address database size: 8,000 media access–
control (MAC) addresses per system
Addressing: 48-bit MAC address–
Mean time between failures (MTBF):–
- GS724AT - 330,000 hours
(~37 years)
- GS748AT - 208,700 hours
(~ 23.8 years)
LEDs–
Unit:Power,fan–
Per port: Link, speed, activity–
Per Gigabit port: Link, speed,–
activity
Power Supply•
Power consumption:–
- GS724AT - 35.6W
- GS748AT - 66.9W
100-240VAC/50-60Hzuniversalinput–
Physical Specifications•
Dimensions(hxwxd):–
- GS724AT: 43 x 440 x 205 mm
(1.7 x 17.3 x 8.1 in)
- GS748AT: 43 x 440 x 257 mm
(1.7 x 17.3 x 10.1 in)
Weight:–
- GS724AT: 3.1 kg (6.83 lb)
- GS748AT: 5.0 kg (11 lb)
Environmental Specifications•
Operatingtemperature:32°to131°F–
(0°to55°C)
Storagetemperature:-4°to158°F–
(-20°to70°C)
Operatinghumidity:90%maximum–
relative humidity, non-condensing
Storagehumidity:95%maximum–
relative humidity, non-condensing
Operatingaltitude:10,000ft–
(3,000 m) maximum
Storage altitude: 10,000 ft–
(3,000 m) maximum
Electromagnetic Compliance•
CE mark, commercial–
FCC Part 15 Class A–
VCCI Class A–
EN 55022 (CISPR 22)–
EN 55024 (CISPR 24)–
C-Tick–
Safety•
CE mark, commercial–
CUL60950(Listed)/EN60950–
(LowVoltageDirective)
ProSafe®24-, 48-port Gigabit Smart Switches with Advanced Features GS724AT, GS748AT