D-Link DES-1218R [13/38] Performance features
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D-Link DES-1218R [13/38] Performance features

D-Link DES-1218R [13/38] Performance features
DES-1218R/DES-1226R 10/100/1000 Mbps Ethernet Switch User’s Guide
3
Performance features
♦ IEEE 802.3 compliant
♦ IEEE 802.3u compliant
♦ IEEE 802.3z compliant
♦ IEEE 802.3ab compliant
♦ IEEE 802.1p Priority Queues
♦ IEEE 802.3x flow control in full duplex mode
♦ NWay Auto-negotiation
♦ Full and half-duplex for both 10Mbps and 100Mbps connections. All Gigabit Ethernet extension
modules operate at full-duplex. Full-duplex allows the switch port to simultaneously transmit
and receive data, and only works with connections to full-duplex capable end stations and
switches. Connections to a hub must take place at half-duplex
♦ Supports single-mode and multi-mode connections
♦ Store and forward switching scheme capability to support rate adaptation and protocol
conversion
♦ Auto-polarity detection and correction of incorrect polarity on the 10/100Mbps TX ports
♦ Data forwarding rate 14,880 pps per port at 100% of wire-speed for 10Mbps speed
♦ Data forwarding rate 148,810 pps per port at 100% of wire-speed for 100Mbps speed
♦ Data forwarding rate 1,488,100 pps per port at 100% of wire-speed for 1000Mbps speed
♦ Data filtering rate eliminates all error packets, runts, etc. at 14,880 pps per port at 100% of
wire-speed for 10Mbps speed
♦ Data filtering rate eliminates all error packets, runts, etc. at 148,810 pps per port at 100% of
wire-speed for 100Mbps speed
♦ Data filtering rate eliminates all error packets, runts, etc. at 1,488,100 pps per port at 100% of
wire-speed for 1000Mbps speed
♦ Forwarding 64 to1522 byte frames with correct CRC checksum
♦ Layer 2 switching based on MAC address
♦ Address handling: auto-learning and auto-aging
♦ Address table: Support addresses up to 32K (can be upgraded to 64K)
♦ Buffer size: 2 Megabytes SBRAM for 16 10/100 + 2 Giga (or 100Base-FX) ports (DES-1218R)
2 Megabytes SBRAM for 24 10/100 + 2 Giga (or 100Base-FX) ports (DES-1226R)
♦ Broadcast storm control
♦ Supports 18 Port-based VLAN Groups for DES-1218R and 26 Port-based VLAN Groups for
DES-1226R
♦ Port Trunking
♦ Back pressure in half-duplex
♦ RS-232 DCE console port for Switch management
Ports
♦ 16 or 24 High-performance (MDI-X/MDI-II) ports for connecting to end stations, servers
and hubs.
♦ All UTP ports can auto-negotiate between 10Mbps and 100Mbps, half-duplex and full
duplex, and feature flow control.
♦ One front panel slide-in module interface for the DES-132G 2-port 1000BASE-SX (SC type
connector), DES-132GL 2-port 1000BASE-LX, DES-132GB 2-port GBIC, DES-132T 2-port
1000BASE-T, DES-131F 1-port 100BASE-FX (2Km), DES-132F 2-port 100BASE-FX (2Km),
DES-131FL 1-port 100BASE-FX (15Km), and DES-132FL 2-port 100BASE-FX (15Km) to
connect to another switch, server or network backbone.
♦ RS-232 DCE Diagnostic port (console port) for setting up and managing the Switch via a
connection to a console terminal or PC using a terminal emulation program.

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