Configuring a Channelized T1 or E1 DFC

This section shows how to configure channelized T1 or E1. On a Cisco AS5350 or Cisco AS5400, you can allocate the available channels for channelized E1 and T1 in the following ways:

All channels can be configured to support ISDN PRI.

If you are not running ISDN PRI, all channels can be configured to support robbed-bit signaling (also known as channel-associated signaling).

All channels can be configured in a single channel group.

Mix and match channels supporting ISDN PRI, channel grouping, and channel-associated signaling (CAS).

Mix and match channels supporting ISDN PRI, channel grouping, and robbed-bit signaling across the same T1 line. For example, on the same channelized T1 you can configure the pri-group timeslots 1-10,24command, channel-group 11 timeslots 11-16command, and ds0-group 17 timeslots 17-23 type e&m-fgbcommand. This is an unusual configuration because it requires you to align the correct range of time slots on both ends of the connection.

Note For configuration information about leased-line or nondial use, see the Configuration Fundamentals Configuration Guide, available online. You can access this document at Cisco Product Documentation > Cisco IOS Software > Cisco IOS Software Release you are using > Configuration Guides and Command References > Configuration guide for your application.

Note The CT1/E1 controller numbering convention is dfc-slot/portin CLI commands. DFC slot numbering starts from the motherboard and works up from left to right. Slot 0 is reserved for the motherboard. The CT1/E1 DFC slots are numbered sequentially from 1 to 7. Port numbering is from 0 to 7.

Step 1 Use the enable command and password to enter privileged EXEC mode. You are in privileged EXEC mode when the prompt changes to Gateway#.

Gateway> enable

Password: password

Gateway#

Step 2 Enter global configuration mode. You are in global configuration mode when the prompt changes to Gateway(config)#.

Gateway# configure terminal

Enter configuration commands, one per line. End with CNTL/Z.

Gateway(config)#

Step 3 Enter controller configuration mode to configure your controller slot and port. Slot values range from 1 to 7. Port values range from 0 to 7 for T1 and E1.

Gateway(config)# controller [t1 e1] slot/port

Gateway(config-controller)#

Step 4 Enter your telco’s framing type for the CT1 controller, either esf or sf:

Gateway(config-controller)# framing esf

or

Enter the framing type for the CE1 controller:

Gateway(config-controller)# framing crc4

Step 5 Define the line code as binary 8 zero substitution (B8ZS) for the CT1 controller:

Gateway(config-controller)# linecode b8zs

or

Define the line code as high-density bipolar 3 (HDB3) for the CE1 controller:

Gateway(config-controller)# linecode hdb3

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Cisco Systems Cisco AS5350, Cisco AS5400 quick start Configuring a Channelized T1 or E1 DFC

Cisco AS5400, Cisco AS5350 specifications

Cisco Systems is a global leader in networking and telecommunications technology, and its AS5350 and AS5400 models are prominent offerings in their product line. These devices cater primarily to service providers and large enterprises looking for advanced VoIP, data, and multimedia capabilities.

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