D-Link DGS-1250-28X - Port Functions

DGS-1250 Series Gigabit Ethernet Smart Managed Switch Hardware Installation Guide
33
Location LED Color Status Description
(DGS-1250-28XMP
and DGS-1250-
52XMP Only)
Light blinking When there is reception or transmission
of data occurring at 100Mbps
Off Light off Link down or no link
LED per
SFP/SFP+ Port
Link/Act
Green Light on (Solid) When there is a connection (or link) to a
10Gbps Ethernet device on any of the
ports
Light blinking When there is reception or transmission
of data occurring at a 10Gbps port
Amber Light on (Solid) When there is a connection (or link) to a
1000Mbps Ethernet device on any of the
ports
Light blinking When there is reception or transmission
of data occurring at a 1000 Mbps port
Off Light off Link down or no link
Port Functions
Feature Description
Console Port
RJ45interface for Out-Of-Band (OOB) CLI configuration
RJ45 Ports
Compliant with the following standards:
• IEEE 802.3 compliance
• IEEE 802.3u compliance
• IEEE 802.3ab compliance
• IEEE 802.3az compliance
Support Half-Duplex and Full-Duplex operations
• IEEE 802.3x Flow Control support for Full-Duplex mode
• Back Pressure for Half-Duplex mode
• Head-of-line blocking prevention
• Manual/auto MDI/MDIX configuration
• Auto-Negotiation for each port
SFP/SFP+ Ports
Compliant with the following standards:
• IEEE 802.3ae compliance
• IEEE 802.3z compliance
SFP Transceivers Supported:
• DEM-310GT (1000BASE-LX, single-mode, 10 km, with DDM)
• DEM-311GT (1000BASE-SX, multi-mode, 550 m)
• DEM-312GT2 (1000BASE-SX, multi-mode, 2 km)
• DEM-314GT (1000BASE-LHX, single-mode, 50 km)
• DEM-315GT (1000BASE-ZX, single-mode, 80 km)
• DGS-712 (1000BASE-T)
WDM (BiDi) SFP Transceivers Supported:
• DEM-330T (1000BASE-BX-D, single-mode, 10 km, TX: 1550 nm / RX
:
1310 nm)
• DEM-330R (1000BASE-BX-U, single-mode, 10 km, TX: 1310 nm / RX
:
1550 nm
)
• DEM-331T (1000BASE-BX-D, single-mode, 40 km, TX: 1550 nm / RX:
1310 nm
)