# SFM-100 Module

> Module label | SFM-100
> IOA label | Not applicable
> Number of IOA ports | Not applicable
> Software release | First supported: 7.0.1
> Description | 40 W maximum Switch fabric module (100 Gbps) Works with the SRP-100 module to create a switch fabric Must be installed only with SRP-100 module and SFM–100 modules
> Capability | Not applicable
> Software features | Not applicable
> Model compatibility | E320 router
> Line module compatibility | ES2 4G LM ES2 10G UPLINK LM ES2 10G ADV LM (only in turbo slots)
> SRP module compatibility | SRP-100 Cannot use with SRP-320 module or SFM-320 module
> Line module redundancy compatibility | Yes (ES2-S1 REDUND IOA must be installed in either slot 0 or slot 11)
> Module redundancy support | N+1 redundancy
> Port redundancy support | Not applicable
> Cables and connectors | Not applicable
> LEDs | When lit, LED indicates: OK (green)—Self-test passed FAIL (red)—Failure detected ONLINE (green)—Online with no alarms or errors REDUN (green)—N+1 redundancy is enabled; 2 SRPs and 3 SFMs must be installed and working. When LED is unlit, one of the five fabric slices is down or not installed; N+1 redundancy is not enabled. When REDUN LED is on, the module may be removed without interrupting service.
> Alarms, errors, and events | See Monitoring Modules in JunosE System Basics Configuration Guide, Chapter 6, Managing Modules.