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24-Port Gigabit Layer 2 Switch w/ 4 Shared Mini-GBIC Slots

TL2-G244 (Version v1.0R)

  • SNMP (v1, v2c, v3), 802.1X, RSTP, and MSTP support
  • 24 x Gigabit Auto-MDIX ports
  • 4 x shared SFP (Mini-GBIC slots) and 1 x RS-232 console port
  • 48Gbps switching capacity
  • Supports Port Trunking, Mirroring, IGMP, Static and Dynamic VLAN, RMON, QoS, STP, and more

The TL2-G244 (Version v1.0R) has been discontinued.  It has been replaced by the TL2-G244 (Version v2.0R). For a list of discontinued products, click here.

The 24-Port Gigabit Layer 2 Switch with 4 Shared Mini-GBIC Slots, model TL2-G244, provides a reliable foundation for a highly scalable managed network. The TL2-G244 features a 48Gbps switch fabric, 802.1X authentication, SNMP v3, and Multiple Spanning Tree (MSTP) support.

Gigabit Ethernet ports and Mini-GBIC slots provide high speed uplinks to backbone switching or servers. Configure the switch using your choice of Telnet, HyperTerminal, SNMP, or a Browser. View statistics captured for 17 unique switching parameters. Additional management features such as Port Trunking, IGMP snooping, Static and Dynamic VLAN, Load Balancing, RMON, QoS, and RSTP allow administrators to effectively manage departmental work groups.

  • 24 x 10/100/1000Mbps Auto -MDIX Gigabit ports
  • 4 x shared SFP (Mini-GBIC) slots
  • 1 x RS-232 console port
  • 8K MAC address entries
  • 4Mbit data RAM Buffer
  • 802.1Q Tagged VLAN, Dynamic VLAN Learning GVRP, and Asymmetric VLAN (Up to 256 VLAN Groups)
  • Spanning Tree Protocols: 802.1d STP, 802.1w RSTP, and 802.1s MSTP
  • Quality of Service (QoS): Port-based QoS and bandwidth rate control, IEEE 802.1p, and DSCP
  • 802.1X Port-Based Access Control and RADIUS Authentication
  • IGMP snooping v1, v2 (Up to 64 entries)
  • Link Aggregation and Port Trunking: Static and 802.3ad Dynamic LACP
  • Store-and-Forward switching method
  • 802.3x Flow Control for full duplex and backpressure for half duplex operation
  • Broadcast, Multicast, and DLF(Destination Lookup Failure) Storm Filtering protection
  • Supports port status control (enable/disable, auto-negotiation, speed, duplex, and flow-control)
  • Port Mirroring for network traffic analysis
  • Syslog support for external device logging Switch management with:
    • SNMP v1, v2c, v3
    • Telnet
    • SSH
    • Console (RS-232)
    • HTTP/HTTPS web browser
    • RMON (4 groups)
  • Front panel diagnostic LED indicators
  • 19” (1U) Rack mount design with mounting hardware included
  • 3-year limited warranty
  • IEEE 802.3 10BASE-T
  • IEEE 802.3u 100BASE-TX
  • IEEE 802.3ab 1000BASE-T
  • IEEE 802.3z 1000BASE-X SX/LX
  • IEEE 802.3x Flow Control and Back Pressure
  • IEEE 802.3ad Link Aggregation/Port Trunking (LACP)
  • IEEE 802.1d Spanning Tree (STP)
  • IEEE 802.1w Rapid Spanning Tree (RSTP)
  • IEEE 802.1s Multiple Spanning Tree (MSTP)
  • IEEE 802.1p Quality of Service/Class of Service (QoS/CoS)
  • IEEE 802.1Q VLAN Tagging and GVRP
  • IEEE 802.1X Port-Based Network Access Control
  • 24 x 10/100/1000Mbps Auto-MDIX Gigabit ports
  • 4 x shared SFP (Mini-GBIC) slots
  • 1 x RS-232 console port for switch management
  • Network:
  • 10Base-T: UTP/STP Cat. 5 cable (100 m)
  • 100Base-TX: UTP/STP Cat. 5, 5e cable (100 m)
  • 1000Base-T: UTP/STP Cat 5e, 6 cable (100 m)
  • Mini-GBIC:
  • LC (Multi-Mode): 50/125um~62.5/125um
  • LC (Single Mode): 9/125um~10/125um
Switching Method
  • Store-and-Forward
  • (CSMA/CD) / Star
Buffer Memory
  • 4Mbit data buffer
Filtering Address Table
  • 8K MAC address entries
Switch Fabric/Capacity
  • Up to 48Gbps
Forwarding Rate
  • 35.7Mpps
LED Display
  • PWR (Green): Power, SYS (Green): System
  • 10/100M Link/ACT (Amber): 10/100Mbps Link/Activity (per Ethernet port)
  • 1000M Link/ACT (Green): 1000Mbps Link/Activity (per Ethernet port)
  • 100M Link/ACT (Amber): 10/100Mbps Link/Activity (per SFP slot)
  • 1000M Link/ACT (Green): 1000Mbps Link/Activity (per SFP slot)
  • Input: 100~240VAC, 50/60Hz internal power supply
Power Consumption
  • 21.79 W
  • 440 x 210 x 44 mm (17.3 x 8.3 x 1.7 in.)
  • 2.9 kg (6.4 lbs.)
  • Operating: 0 ~ 40 C (32 ~ 104 F)
  • Storage: -10 ~ 70 C (14 ~ 158 F)
  • Max. 90% (non-condensing)
  • CE, FCC
  • SNMP v1, v2c v3, HTTP/HTTPS Web, Telnet, SSH, Console
Spanning Tree
  • 802.1d STP (Spanning Tree Protocol)
  • 802.1w RSTP (Rapid Spanning Tree Protocol)
  • 802.1s MSTP (Multiple Spanning Tree Protocol)
Link Aggregation
  • Static Link Aggregation 802.3ad Dynamic LACP
Quality of Service
  • 802.1p Class of Service
Port Based QoS
  • DSCP (Differentiated Services Code Point)
  • Asymmetric VLAN 802.1Q Tagged VLAN and Dynamic GVRP Up to 256 static/dynamic groups
  • Support IGMP Snooping v1/2 Up to 64 multicast entries
Port Mirror
  • RX, TX, or both
  • MAC Address learning, ACL L2/L3/L4 User Authentication: 802.1X Port-Based Network Access Control, Local User Database
Jumbo Frame Size
  • 10,000 Bytes (max.)
Bandwidth Control
  • Bandwidth control per port
Flow Control
  • 802.3x Flow Control for Full-Duplex and back pressure for Half-Duplex
Firmware Update
  • Support TFTP firmware update, TFTP backup and restore, via Web Browser
  • TL2-G244
  • Multi-Language Quick Installation Guide
  • CD-ROM (User’s Guide)
  • Power cord (1.8 m / 5.9 ft.)
  • RS-232 cable (3 m / 9.8 ft.)
  • Rack mounting kit
SUNY Oswego GREENnet Switch Project
New to Networking - GREENnet Power Savings