Specifications

xStack® DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide
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Appendix C – Module Specs and Cable Lengths
Use the following table to as a guide for the module specs and maximum cable lengths.
Standard Media Type Maximum Distance
Mini-GBIC
1000BASE-LX, Single-mode fiber module
1000BASE-SX, Multi-mode fiber module
1000BASE-LH, Single-mode fiber module
1000BASE-ZX, Single-mode fiber module
10km
550m / 2km
50km
80km
1000BASE-T
Category 5e UTP Cable 100m
100BASE-TX
Category 5 UTP Cable (100 Mbps) 100m
10BASE-T
Category 3, 4 or 5 UTP Cable (10 Mbps) 100m
DEM-310GT
1000BASE-LX, Single-mode 10km
DEM-311GT
1000BASE-SX, Multi-mode 550m
DEM-312GT2
1000BASE-SX, Multi-mode 2km
DEM-314GT
1000BASE-LHX, Single-mode 50km
DEM-315GT
1000BASE-ZX, Single-mode 80km
DEM-210
100BASE-FX, Single-mode 15km
DEM-211
100BASE-FX, Multi-mode 2km
DEM-220T
100BASE-BX, Single-mode Up to 20km
DEM-220R
100BASE-BX, Single-mode Up to 20km
DEM-330T
TX-1550/RX-1310nm, Single-mode Up to 10km
DEM-330R
TX-1310/RX-1550nm, Single-mode Up to 10km
DEM-331T
TX-1550/RX-1310nm, Single-Mode Up to 40km
DEM-331R
TX-1310/RX-1550nm, Single-Mode Up to 40km
DGS-712
1G Copper, 1000BASE-T 100m
Network pluggable optical modules meet the following regulatory requirements:
• Class 1 Laser Product
• EN60825-1+A2:2001 or later, European laser standard
• FCC 21 CFR Chapter 1, Subchapter J in accordance with FDA & CDRH requirements