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Command Reference Guide E1 Interface Configuration Command Set
61200510L1-35E Copyright © 2005 ADTRAN 599
framing [crc4]
Use the framing command to configure the framing format for the E1 interface. This parameter should
match the framing format provided by the service provider or external device. Use the no form of this
command to return to the default value.
Syntax Description
crc4 Enables CRC-4 bits to be transmitted in the outgoing data stream. Also, the
received signal is checked for CRC-4 errors.
Default Values
By default, CRC-4 is disabled.
Applicable Platforms
This command applies to the NetVanta 1000R, 3000, 4000, and 5000 Series units.
Command History
Release 5.1 Command was introduced.
Functional Notes
The framing value must match the configuration of the E1 circuit. A mismatch will result in a loss of frame
alarm.
Usage Examples
The following example configures the E1 interface for CRC-4 framing:
(config)#interface e1 1/1
(config-e1 1/1)#framing crc4