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CHAPTER
4-1
Cisco AS5350 and Cisco AS5400 Universal Gateway Card Installation Guide
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4
T3 Dial Feature Card
This chapter describes the T3 dial feature card and includes the following sections:
• Overview, page 4-1
• Online Installation and Removal (OIR) of the T3 DFC, page 4-2
• Getting Help, page 4-7
• Where to Go Next, page 4-7
Overview
The T3 DFC provides physical line termination for a channelized T3 ingress trunk line. It uses an
onboard multiplexer to multiplex 28 channelized T1 lines into a single channelized T3 line. (See
Figure 4-1.)
The T3 DFC provides physical line termination for up to 672 DS0 channels and uses onboard HDLC
controllers to terminate digital (ISDN) calls.
You can use the bantam jacks on the DFC to monitor a T1 line or test any one of the individual T1 circuits
in drop and insert mode.
You can install a T3 DFC in any DFC slot of the universal gateway chassis.
Note The Cisco AS5350 and Cisco AS5400 support only one type of WAN DFC at a time. Refer
to Chapter 6, “Troubleshooting,” for more information.
Figure 4-1 T3 Dial Feature Card
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