DMS-1250 Series Multi-G Ethernet Smart Managed Switch Hardware Installation Guide
6
Feature Description
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)
• DEM-331R (1000BASE-BX-U, single-mode, 40 km, TX: 1310 nm / RX:
1550 nm)
SFP+ Transceivers Supported:
• DEM-431XT (10GBASE-SR,multi-mode, 80 km, without DDM)
• DEM-432XT (10GBASE-LR, single-mode, 10 km, without DDM)
• DEM-433XT (10GBASE-ER, single-mode, 40 km, without DDM)
• DEM-434XT (10GBASE-ZR, single-mode, 80 km, without DDM)
• DEM-435XT (10GBASE-LRM Multi-Mode, 200M SFP+ Transceiver)
• DEM-410T (10GBASE-T Copper SFP+ transceiver, 30M)
WDM (BiDi) SFP+ Transceivers Supported:
• DEM-436XT-BXD (10GBASE-LR, single-mode, 20 km, TX: 1330 nm /
RX: 1270 nm, without DDM)
• DEM-436XT-BXU (10GBASE-LR, single-mode, 20 km, TX: 1270 nm /
RX: 1310 nm, without DDM)
SFP+ Direct Attached Cables (DAC) Supported:
• DEM-CB100S (10G SFP+, 1 m)
• DEM-CB300S (10G SFP+, 3m)
PoE Ports
DMS-1250-10SP
DMS-1250-12TP
DMS-1250-10SPL
Supports the following:
• IEEE802.3af/at PoE+ compliance (for DMS-1250-10SP/DMS-1250-
12TP)
• IEEE802.3af/at/bt PoE++ compliance (for DMS-1250-10SPL)
• The auto-discovery feature automatically recognizes the connection of
the PD device and provides power
• Automatically disable ports if the port current is over 400~450mA while
other ports will remain active
• Active circuit protection automatically disables the port if there is a short
while other ports remain active
• For 802.3af/at/bt capable devices will provide the power for the following
classifications below:
Class Usage Max Power used by PD
0 Default 0.44 Watt to 12.95 Watt
1 Optional 0.44 Watt to 3.84 Watt
2 Optional 3.84 Watt to 6.49 Watt
3 Optional 6.49 Watt to 12.95 Watt
4 Optional (802.3at Only) 12.95 Watt to 25.5 Watt
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