CT1 Module Combination

Line module labelCT1
I/O module labelCT1 FULL I/O
Number of I/O ports
  • 24
Software release
  • First supported: 1.1.0
  • Final supported: 7.3.x
  • 40 W
  • Channelized T1
  • Non-ASIC
  • DS1, DS0
  • 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 100–ohm connector
  • Use shielded cables to maintain EMC compliance.
  • The line interface unit supports multiple line buildouts.
  • Signal strength is software controlled.
  • The transmitted signal complies with ANSI T1.102-1993 Digital Hierarchy - Electrical Interfaces (1999) for cable lengths up to 201 m (660 feet).
  • See ERX Hardware Guide, Chapter 5, Cabling ERX Routers for more information.
  • 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.