# SFM-320 Module

> Module label | SFM-320
> IOA label | Not applicable
> Number of IOA ports | Not applicable
> Software release | First supported: 7.3.0
> Description | 95 W maximum Switch fabric module (320 Gbps) Works with the SRP-320 module to create a switch fabric The 320–Gbps fabric allocates 10 Gbps of overall bandwidth to each line module slot. Must be installed only with SRP-320 module and SFM–320 modules
> Capability | Not applicable
> Software features | Not applicable
> Model compatibility | E320 router E120 router
> Line module compatibility | ES2 4G LM ES2 10G UPLINK LM
> SRP module compatibility | SRP-320 Cannot use with SRP-100 module or SFM-100 module
> 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.