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JUNOSe 11.1.x System Basics Configuration Guide
Configurable HDLC Parameters
The following HDLC parameters are configurable:
Statistics are also gathered per line module.
Configuring Channelized T3 Interfaces
There12 T3 controllers available on each CT3 12-F0 line module. When you configure
these T3 controllers, you are actually configuring T3 (DS3) lines. Each T3 controller
has, by definition, 28 T1 controllers representing T1 (DS1) lines.
Use the T3 and T1 commands described in JUNOSe Physical Layer Configuration Guide,
to:
Figure 5 on page 13 shows sample parameters for a channelized T3 interface
configuration.
12
Configuring Physical Layer Interfaces
DS1 framing type Both D4 framing mode and ESF framing mode
DS3 loopback For line, payload, diagnostic, and DS1 loopbacks
DS1 loopback For line, payload, and diagnostic loopbacks
DS3/DS1 line status/alarm monitoring
DS1 line coding type Both AMI line encoding and B8ZS line encoding
Unique IP interface support For each PPP or Frame Relay PVC interface
Mapping of DS0 timeslots for T1/FT1 DS0 mapping
Setting the speed of the DS0 to Nx56 or Nx64
HDLC CRC checking (enable/disable)
HDLC CRC algorithm (CRC16 or CRC32)
Channel data inversion (enable/disable)
Maximum receive unit (MRU)
Maximum transmit unit (MTU)
Specify the line characteristics, such as framing format and clock source, for T3s
and associated T1s.
Assign full and fractional T1 channels (DS0) to a virtual channel.
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Troubleshooting
