Juniper JUNOSE 10.0.X PHYSICAL LAYER, Configuration Manual

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Chapter 1
Configuring Channelized T3 Interfaces
Use the procedures described in this chapter to configure channelized T3 (CT3)
interfaces on E-series routers.
This chapter contains the following sections:
■
Overview on page 3
■
Platform Considerations on page 5
■
References on page 9
■
Before You Configure an Interface on page 9
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Configuration Tasks on page 10
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Configuration Example on page 23
■
Testing Interfaces on page 23
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Monitoring Interfaces on page 29
Overview
Channelized T3 interfaces are supported by the modules described in this chapter.
Configuration procedures for all channelized T3 physical interfaces are identical;
however, the capabilities of the modules differ. Each port on a CT3 module offers a
total bidirectional rate of 43.008 Mbps.
This section describes the features of channelized T3 interfaces. For information
about configuring channelized T3 interfaces over SONET/SDH, see “Configuring
Channelized OCx/STMx Interfaces” on page 109.
MDL/FDL Support
Channelized T3 interfaces on some line modules support maintenance data link
(MDL) messages at the T3 level and facilities data link (FDL) messages at the T1 level.
For a list of the line modules that support MDL and FDL, see
ERX Module Guide ,
Appendix A , Module Protocol Support .
You can use MDL and FDL messages to determine the status of a link and to display
statistics for the remote end of a connection. MDL and FDL messages do not interfere
with other data transmitted over the link.
Overview
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