D-Link DES-1048 User's Guide download pdf (Page 11)

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 li

reen a

roximatel

2 seconds after the switch is

owered on to indicate

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 30 31

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D-Link DES-1048 User's Guide Page 11