Dell EMC PowerEdge MX Series - Page 58

Appendix A: Additional Guidelines and Equipment Details
58
Dell EMC PowerEdge MX
Networking Architecture Guide
Table 8. Cable types
Cable Type
Description
DAC (Copper)
• Direct attach copper
• Copper wires and
shielding
• 2-wires/channel
AOC (Optical)
Active Optical Cable
MMF (Optical)
• Multi-Mode Fiber
• Large core fiber (~50um)
• 100m (/300m to match
SMF) reach
• Transceivers are low cost
• Fiber 3x cost of SMF
SMF (Optical)
• Single-Mode Fiber
• Tiny core fiber (~9um)
• 2/10Km reach
• Transceivers are
expensive
Table 9 shows the different optical connectors as well as a brief description of the
standard.
Table 9. Optical connectors
Connector
Description
Small Form-factor Pluggable (SFP)
SFP = 1Gb
SFP+= 10Gb
SFP28 = 25Gb
SFP
1 Channel
2 Fibers or wires
1-1.5W
Duplex LC optical connector
MMF or SMF
Quad Small Form-factor Pluggable (QSFP)
QSFP+ = 40Gb
QSFP28 = 100Gb
QSFP
4 Channels
8 Fibers or wires
3.5W-5W
MPO12 8 fiber parallel optical connector
Quad Small Form-factor Pluggable Double
– Density (QSFP-DD)
QSFP28-DD = 2x100Gb
QSFP56-DD = 2x200Gb
QSFP-DD
8 channels
16 fibers or wires
10W
MPO12DD 16 fiber parallel optical
connector
Table 10 shows the location within the chassis, where each type of media is relevant.