3Com MSR 30, MSR 50 manual Using CE3 interface view, Related command controller e3

264CHAPTER 16: FUNDAMENTAL CE3 INTERFACE CONFIGURATION COMMANDS

You need to set the national bit to 0 on an E3 interface only in some special circumstances.

Related command: controller e3.

Example # Set the national bit to 0 on interface E3 2/0.

<Sysname> system-view

[Sysname] controller e3 2/0

[Sysname-E3 2/0] national-bit 0

using (CE3 interface view)

Syntax using { ce3 e3 }

undo using

View CE3 interface view

Parameter ce3: Sets the CE3 interface to work in channelized mode. e3: Sets the CE3 interface to work in unchannelized mode.

Description Use the using command to configure the operating mode of the CE3 interface.

Use the undo using command to restore the default, that is, channelized mode.

Only when the CE3 interface is working in channelized mode can you configure

E1 lines.

When the CE3 interface is working in unchannelized mode, the system automatically creates a serial interface numbered serial number/0:0 for it. This interface operates at 34.368 Mbps and is logically equivalent to a synchronous serial interface on which you can make other configurations.

Related command: controller e3.

Example # Configure interface E3 2/0 to operate in unchannelized mode.

<Sysname> system-view

[Sysname] controller e3 2/0

[Sysname-E3 2/0] using e3