Extreme Networks B2G124-48 SecureStack B2 Gigabit Switch

Technical SpecificationsModel:B2G124-48 Brand: Extreme Networks Product Type: Legacy Stackable Layer 2 Gigabit Access Switch Ports:

• 48 × 10/100/1000BASE-T RJ45 copper ports

• 4 × SFP mini-GBIC uplink slots for 1G fiber/copper transceivers Management ports:

• 1 × RJ45 serial console port Redundancy: Supports external RPS redundant power supply Switching capacity:96 Gbps Forwarding rate:71.4 Mpps Operating system: Enterasys firmware Operating temperature:0℃ ~ +40℃ Storage temperature:-40℃ ~ +70℃ Relative humidity:10%~90%, non-condensing Weight:3.6 kg

System compatibilityB2G124-48 belongs to Extreme Networks SecureStack B2 series. It can be stacked with other B2 series switches. Compatible with 1G SFP optical transceivers and fiber patch cords. Designed for legacy campus building gigabit access networks and widely used for old network maintenance spare replacement.

FunctionB2G124-48 is L2 managed gigabit access switch. It handles gigabit copper user access, VLAN, STP, port security and SNMP monitoring. It reports port status, internal temperature and power supply health. It triggers alarms for port down and over-temperature. Used to replace faulty legacy gigabit access switches for campus wiring closet overhaul.

InstallationPower off before installation. Mount the switch on 19-inch rack. Connect AC power cord and external RPS for redundancy if required. Connect RJ45 cables to end devices and insert SFP transceivers for fiber uplink. Connect console cable for initial configuration. Verify boot and port status before putting into production.

Interface48×1G RJ45 ports,4×SFP uplink slots, RJ45 serial console, status LEDs, rack mounting ears for Extreme Networks B2G124-48.

FeatureOriginal Extreme Networks SecureStack B2 series 48-port gigabit switch, L2 managed, stackable, SFP fiber uplink support, external redundant power option, built-in self-diagnostic function. This spare supports legacy enterprise campus gigabit access maintenance.

DiagnosticSwitch fails to boot: check AC power cord and wall power. Port link down: verify RJ45 cable quality and port admin status. SFP no link: check SFP transceiver and clean fiber connectors. Over-temperature alarm: verify chassis ventilation and dust cleaning.

Product BriefB2G124-48 is Extreme Networks legacy SecureStack B2 48-port gigabit managed stackable switch with 4×SFP uplink slots, classic spare part for legacy campus wiring closet 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.