# CE1 Module Combination

> Line module label | CE1
> I/O module label | CE1 FULL I/O
> Number of I/O ports | 20
> Software release | First supported: 1.1.0 Final supported: 7.3.x
> Description | 40 W Channelized E1
> Type | Non-ASIC
> Capability | E1 HDLC framing
> Software features | See ERX Module Guide, Appendix A, Module Protocol Support for information about the layer 2 and layer 3 protocols and applications that this module combination supports.
> Model compatibility | ERX7xx models ERX1410 router
> SRP module compatibility | SRP-5G SRP-5G+ SRP-10G
> Module redundancy support | 1:N redundancy
> Cables and connectors | RJ-48C,120 ohm BNC, 75-ohm via a balun panel that connects to the I/O module Use shielded cables to maintain EMC compliance. The transmitted signal complies with ITUT G.703, Physical/electrical characteristics of hierarchical digital interfaces (November 2001) for cable lengths up to 450 m (492 yards). See ERX Hardware Guide, Chapter 5, Cabling ERX Routers for more information.
> LEDs | See ERX Module Guide, Appendix B, Module LEDs.
> Alarms, errors, and events | See Monitoring Interfaces in the Configuring Channelized T1 and Channelized E1 Interfaces chapter of the JunosE Physical Layer Configuration Guide for Release 8.0.x and earlier.