![D-Link DGS-1250 Series Hardware Installation Manual Download Page 39](http://html.mh-extra.com/html/d-link/dgs-1250-series/dgs-1250-series_hardware-installation-manual_78000039.webp)
DGS-1520 Series Gigabit Ethernet Smart Managed Switch Hardware Installation Guide
34
Supported SFP/SFP+ Transceivers
DEM-315GT
1000BASE-ZX
Single-mode
80 km
1550 nm
SFP+ Fiber Transceivers
Product Code
Standard
Mode
Distance
TX
RX
DEM-431XT
10GBASE-SR
Multi-mode
300 m
850 nm
DEM-432XT
10GBASE-LR
Single-mode
10 km
1310 nm
DEM-433XT
10GBASE-ER
Single-mode
40 km
1550 nm
DEM-434XT
10GBASE-ZR
Single-mode
80 km
1550 nm
SFP Copper Transceivers
Product Code
Standard
Connector
Distance
TX/RX
Power
Amps
DGS-712
1000BASE-T
SFP to RJ45
100 m
-
3.3 V
375 mA
WDM (BiDi) SFP Transceivers
Product Code
Standard
Mode
Distance
TX
RX
DEM-330T
1000BASE-BX-D
Single-mode
10 km
1550 nm
1310 nm
DEM-330R
1000BASE-BX-U
Single-mode
10 km
1310 nm
1550 nm
DEM-331T
1000BASE-BX-D
Single-mode
40 km
1550 nm
1310 nm
DEM-331R
1000BASE-BX-U
Single-mode
40 km
1310 nm
1550 nm
WDM (BiDi) SFP+ Transceivers
Product Code
Standard
Mode
Distance
TX
RX
DEM-436XT-BXD
10GBASE-LR
Single-mode
20 km
1330 nm
1270 nm
DEM-436XT-BXU
10GBASE-LR
Single-mode
20 km
1270 nm
1310 nm
SFP+ Direct Attached Cables (DAC)
Product Code
Standard
Cable
Dist.
Wire
Ω
Amps
DEM-CB100S
10G SFP+
Twinaxial
1 m
30 AWG
100
Ω
0.5 A
DEM-CB300S
10G SFP+
Twinaxial
3 m
30 AWG
100
Ω
0.5 A
DEM-CB700S
10G SFP+
Twinaxial
7 m
30 AWG
100
Ω
0.5 A
Certifications
EMC Certifications
CE Class A, FCC Class A, VCCI Report Class A, C-Tick Report Class A, BSMI
Safety Certifications
UL Mark (62368-1), CB Report (IEC60950-1), CB Report (IEC62368-1), LVD
Report (62368-1), BSMI