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DGS-1250 Series Gigabit Ethernet Smart Managed Switch Hardware Installation Guide
1
1. Introduction
Switch Description
Package Contents
Features
Front Panel Components
Rear Panel Components
Side Panel Components
Switch Description
The DGS-1250 Series is D-Link’s next generation Smart Managed Switch. The Switch has a combination of
10/100/1000 Mbps RJ45 ports and 1/10 Gbps SFP/SFP+ ports that may be used to connect various networking
devices to the Switch. The SFP/SFP+ ports are used with fiber-optical transceiver cabling in order to uplink various
other networking devices for a 1/10 Gbps link that may span great distances. The DGS-1250 Series also implements
D-Link’s innovative 3rd generation Green Ethernet technology (IEEE 802.3az) by not only saving power over inactive
links, but also turning off LEDs on a customized schedule and allowing ports to automatically enter the hibernated
state.
The D-Link DGS-1250 Series includes the following switches:
DGS-1250-28X supports twenty-four RJ45 ports (10/100/1000 Mbps) and four SFP/SFP+ ports (1/10 Gbps).
DGS-1250-28XMP supports twenty-four RJ45 PoE ports (10/100/1000 Mbps) and four SFP/SFP+ ports (1/10
Gbps).
DGS-1250-52X supports forty-eight RJ45 ports (10/100/1000 Mbps) and four SFP/SFP+ ports (1/10 Gbps).
DGS-1250-52XMP supports forty-eight RJ45 PoE ports (10/100/1000 Mbps) and four SFP/SFP+ ports (1/10
Gbps).
Package Contents
Open the shipping carton of the Switch and carefully unpack its contents. The carton should contain the following
items:
One DGS-1250 Series switch.
One Quick Installation Guide.
One AC power cord.
One console cable (RJ45 to RS-232).
One rack mounting kit (two brackets and screws).
Four rubber feet with adhesive backing.
One power cord retainer set.
If any item is missing or damaged, please contact your local D-Link reseller for replacement.
Features
The list of features below highlights the significant features of the Switch.
Supports a 16K MAC address table (for DGS-1250-28X/28XMP); supports a 32K MAC address table (for DGS-
1250-52X/52XMP).
Supports Flow Control (802.3x) in full-duplex compliant.
Supports Jumbo Frames of up to 12288 bytes.
Supports Spanning Tree with 802.1D 2004 STP/RSTP and 802.1Q 2005 MSTP.
Supports Loopback Detection (LBD).
Supports Link Aggregation (802.3ad and 802.3AX) with a maximum of 8 groups per Switch.
Supports Port Mirroring.
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