Products Description
Extreme Networks D2G124-12 Gigabit Managed Switch

Technical SpecificationsModel:D2G124-12 Brand:Extreme Networks Product Type:Layer2 managed gigabit access switch Ports:12 × 10/100/1000BASE-T RJ45 ports,2 × combo SFP uplink slots Switching capacity:24 Gbps Forwarding rate:17.8 Mpps MAC address table:8000 entries VLAN:4094 VLAN IDs Mounting:Desktop or 19-inch rack mount with optional brackets Power:External AC-DC power brick, supports dual power for redundancy Operating temperature:0℃ ~ +40℃ Storage temperature:-40℃ ~ +70℃ Relative humidity:10%~90%, non-condensing Weight:1.6 kg
System compatibilityD2G124-12 belongs to Extreme Networks D2 series legacy access switch family. Compatible with Extreme validated 1000BASE-SX/LX SFP transceivers. Designed for small office, branch and low-density building edge networks. Widely used for enterprise edge network spare replacement.
FunctionD2G124-12 is a compact Layer2 managed gigabit switch. It supports VLAN segmentation, port-based QoS, 802.1D STP, link aggregation, LLDP and SNMP monitoring. It monitors port link status and internal temperature. Used for small workgroup and branch office network deployment.
InstallationPlace the unit on desktop or install rack mount brackets for 19-inch rack. Connect Cat5e/Cat6 cables to RJ45 access ports. Insert SFP transceivers and fiber cables for uplink. Connect external power brick and verify power LED and port link status before putting into production.
Interface12×RJ45 gigabit ports,2×combo SFP slots,console port,status LEDs,DC power inlet for Extreme Networks D2G124-12.
FeatureOriginal Extreme Networks D2 series compact 12-port gigabit managed switch, combo SFP uplink, traffic prioritization, VLAN support, external redundant power option, built-in diagnostic LED indicators. This spare supports small workgroup and branch office edge network deployment.
DiagnosticSwitch fails to boot: check power brick and AC power input. Port no link: verify Cat5e/Cat6 cable and port admin status. SFP uplink down: check SFP transceiver and fiber connectors. Over-temperature alarm: verify ventilation and clear dust.
Product BriefD2G124-12 is Extreme Networks compact 12-port gigabit Layer2 managed switch with dual combo SFP uplink ports, classic spare part for small enterprise and branch office edge network overhaul.

DisclaimerAll parameters are for reference only and shall not be used as the basis for quotation. Goods are scarce, overseas delivery lead time is 3-7 working days. It is only used for equipment maintenance and renovation.