# FE-8 SFP Module Combination (8 Ports) (256-MB Memory)

> Line module label | GE/FE
> I/O module label | FE-8 SFP I/O
> Number of I/O ports | 8
> Software release | First supported: 6.0.0 Final supported: Not applicable
> Description | 130 W Fast Ethernet The FE-8 SFP I/O module uses a range of small form-factor pluggable (SFP) transceivers to support different modes and cable lengths.
> Type | EFA ASIC
> Capability | IEEE 802.3 standards compliance 100Base-FX
> Software features | See Ethernet Modules for information about the layer 2 and layer 3 protocols and applications that this module combination supports.
> Model compatibility | ERX7xx models ERX14xx models ERX310 router
> SRP module compatibility | SRP-5G+ SRP-10G SRP-40G SRP-40G PLUS SRP-SE10G
> Module redundancy support | Not applicable
> Cables and connectors (single-mode fiber) | LC full duplex Tx power: min: –15 dBm max: –8 dBm Center wavelength: 1300 nm Rx input power: min: –28 dBm max: –14 dBm Rated for 10 km (6.2 miles) over 9-micron core cable See ERX Hardware Guide, Chapter 5, Cabling ERX Routers for more information.
> Cables and connectors (multimode fiber) | LC full duplex Tx power: –20 dBm minimum and –14 dBm maximum Center wavelength: 850 nm Rx input power: –31 dBm minimum and –14 dBm maximum Rated for 2 km (1.2 miles) over 62.5/125-micron core cable See ERX Hardware Guide, Chapter 5, Cabling ERX Routers for more information.
> LEDs | See Module LEDs.
> Alarms, errors, and events | See Monitoring Ethernet Interfaces in JunosE Physical Layer Configuration Guide, Chapter 5, Configuring Ethernet Interfaces.