Typical Maximum
Distance
Fiber TypeWavelengthDescriptionPart Number
984.25 feet (300 m)MMF850 nm1000BASE-SX
Short Reach (DOM)
GLC-SX-MMD
6.21 miles (10 km)SMF1310 nm1000BASE-LX/LH
Long Reach (DOM)
GLC-LH-SMD
24.85 miles (40 km)SMF1310 nm1000BASE-EX
Long Reach (DOM)
GLC-EX-SMD
49.7 miles (80 km)SMF1550 nm1000BASE-ZX
Extended Reach
(DOM)
GLC-ZX-SMD
Supported Fast Ethernet SFPs
24.8 miles (40 km)SMF1310 nm100BASE-EX SFP
for Fast Ethernet
ports
GLC-FE-100EX
GLC-FE-100EX
and
GLC-FE-100ZX
are supported
on 20-Port
Gigabit
Ethernet
Modular Port
Adapter
only.
Note
49.72 miles (80 km)SMF1550 nm100BASE-ZX SFP
for Fast Ethernet
ports
GLC-FE-100ZX
10-Gigabit Ethernet SFP+ Transceiver Modules
Table 31: Cisco 10-Gigabit Ethernet SFP+ Transceiver Modules
Typical Maximum
Distance
Fiber TypeWavelengthDescriptionPart Number
24.85 miles (40 km)SMF1550 nmCisco SFP+ for
10-Gigabit Ethernet
Extended Reach
SFP-10G-ER
6.21 miles (10 km)SMF1310 nmCisco SFP+ for
10-Gigabit Ethernet
Long Reach
SFP-10G-LR
Cisco ASR 9001 and Cisco ASR 9001-S Routers Hardware Installation Guide
126
Technical Specifications
10-Gigabit Ethernet SFP+ Transceiver Modules