User's Manual
Table Of Contents
- Front Matter
- Quick Start Guide
- Contents
- Chapter 1 Introduction
- Chapter 2 Installation and Setup
- Chapter 3 Operation
- Chapter 4 Configuration
- Chapter 5 Setup Menu
- Chapter 6 Troubleshooting and Diagnostics
- Appendix A Interface Specifications and Cable Diagrams
- Appendix B Boot Manager
- Appendix C SNMP Management
- Appendix D Glossary
- DC Power Supply Connection
- Customer Response Form
FCD-IPM Installation and Operation Manual Chapter 5 Setup Menu
Interface Parameters Menu 5-55
Link1
FCD-IPM (E1 with Sub Link)
Router/Bridge
E1 Service
or PABX
Sub Link E1
Interface
E1
Service
Analog
Front End
Loopback
Figure 5-60. Remote Analog Loopback for E1 and Sub E1 Links
• Main Link Local Analog Loopback – In this mode, the data transmitted from
FCD-IPM to the E1 line is sent back to the receive path, instead of the data
received from the E1 line. The loopback is shown in Figure 5-61.
FCD-IPM
E1 Interface
Loopback
E1
Service
Figure 5-61. Local Analog Loopback
• Sublink Local Analog Loopback (for FCD-IPM with a Sublink) – In this mode
the data transmitted from FCD-IPM to the sub E1 line is sent back to the
receive path instead of the received data from the sub E1 line. The loopback is
shown in Figure 5-62.