D-Link DES-1048G Manual - Front-Panel Components

D-Link DES-1048G Unmanaged Layer 2 Ethernet Switch

•  MAC Address table: Support addresses up to 8K 

•  A packet buffer size of 2M-bytes per device (embedded)  

•  Auto-negotiation (NWay) between 10Mbps/100Mbps, half-duplex or full duplex for 10/100BASE-T 

ports 

Ports 

•  Forty-eight high-performance NWay Fast Ethernet ports, all of which operate at 10/100 Mbps for 

connections to end stations, servers, and hubs. All ports can auto-negotiate between 10Mbps or 

100Mbps and full or half duplex 

•  Two Mini-GBIC ports for connecting to another switch, server or network backbone 

Mini-GBIC Port Insert 

•  2 mini-GBIC port  slots available  

•  Accepts 1000BASE-SX, 1000BASE-LX and 1000LH 

•  Hot swappable 

•  IEEE 802.3x compliant Flow Control support for full duplex operation 

•  Supports full duplex 1000Mbps operation only 

Front-Panel Components 

The front panel of the Switch consists of LED indicators, 48 (10/100 Mbps) Fast Ethernet ports and two 

indicators for the mini-GBIC ports. 

Figure 1-1.  Front Panel View of the switch  

Comprehensive LED indicators display the status of the switch and the network. 

LED Indicators 

The LED indicators of the Switch include Power and Link/Act. The following shows the LED indicators for the 

Switch along with an explanation of each indicator. 

Figure 1-2.  LED Indicators 

Power 

This indicator on the front panel should be lit during the Power-On Self Test (POST). 

It will light green approximately 2 seconds after the switch is powered on to indicate 

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