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Fast Ethernet Switching System Users’ Guide
Appendix A
80
Appendix A
DES-5024 Technical Specifications
Switch Specifications
• Complies with IEEE 802.3 CSMA/CD 10 /100-TX, 100BASE-FX and 1000
BASE-SX
• Complies with IEEE 802.1d Spanning Tree
• Switched IEEE 802.3 MAC layer frame size: 64-1518
• NWAY Auto-negotiation for each 10/100-TX network port providing auto-
detection of connected cable type, auto-sensing of full and half duplex signaling
and auto-configuration
• Cut-Through and Store-and-Forward switching for reliable error-free packet
transfers
• Native SNMP management support with Ethernet MIB II (RFC 1213) and bridge
MIB (RFC 1493), RMON MIB (RFC-1757)
• 8,192 maximum entries for MAC address Table
• Comprehensive LED indicators display of the system/ port status
• 512KB EEPROM (flash memory) for firmware upgrade
• RS-232 (DB-9) port for Out-of-Band management (asynchronous, 8-bit data, 1
stop bit, no parity, 19.2 K baud)
• Rack mountable (Fits standard 2.5 U EIA 19” rack)
• Two 12-port 10/100 TX modules with built-in support of RMON and VLAN
• Supports Trunking Group
• 2 port fiber optic expansion module with built-in support of RMON and VLAN
• 1 port gigabit expansion module with built-in support of RMON and VLAN
Port Specifications
• 24 RJ-45 ports for Cat 3, 4, or 5 UTP cable (Cat. 5 req. for 10/100-TX)
• 10, 100, 1000 Mbps data transfer rate
• NWAY Auto-negotiation for all 10/100 TX ports
• Full or Half Duplex for all 10/100 ports
• 2 100BASE-FX ports operate at full and half duplex requires 1300 nm mulitmode
fiber optic cable, ISO/IEC 793-2 type B-1 and ITU-T G.652 with SC connectors