# cOC12/STM4 Single-Mode Long Reach Module Combination

> Line module label | cOCx/STMx F0
> I/O module label | cOC12 STM4 LONG HAUL
> Number of I/O ports | 1 active, 1 redundant
> Software release | First supported: 2.2.0 Final supported: Not applicable
> Description | 130 W OC12/STM4 channelized to DS3, DS1, E1, and DS0
> Type | EFA ASIC
> Capability | OC12/STM4 OC3/STM1 DS3, DS1 T1, E1 DS0 HDLC framing
> Software features | See Channelized OCx/STMx 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 | 1:N redundancy NOTE: Line module redundancy is not supported on the ERX310 router.
> Cables and connectors | SC full duplex connector Tx power: min: –5.0 dBm max: 0 dBm Center wavelength: 1310 nm Rx input power: min: –34 dBm max: –7 dBm Fiber type: 9-micron core Rated for 40 km (24.8 miles) of 9-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 Interfaces in JunosE Physical Layer Configuration Guide, Chapter 4, Configuring Channelized OCx/STMx Interfaces.