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New Member

M2T-T3+ pa line coding

Cannot find nor verify the line coding for a T3 terminated in a M2T-T3+ port adapter. Can't find this spec in either serial int or in controller. Need to verify its set to B3ZS for a carrier.

CCO specs say the PA is set to B3ZS, but can I confirm on my routers port adapter and what is the command?

  • WAN Routing and Switching
6 REPLIES
Hall of Fame Super Gold

Re: M2T-T3+ pa line coding

Hi,

per telecom standards, there is no other linecode than B8ZS (not B3ZS) for T3 circuits.

Hope this helps, please rate post if it does!

Re: M2T-T3+ pa line coding

Did you try the command 'show controller t3 (port#)'?

The output would look something like this.

Router#sh controller t3 2/0

T3 2/0 is up.

Applique type is Subrate T3

No alarms detected.

MDL transmission is disabled

FEAC code received: No code is being received

Framing is C-BIT Parity, Line Code is B3ZS

HTH

Sundar

Hall of Fame Super Gold

Re: M2T-T3+ pa line coding

Then I stand corrected on the proper spelling, having got it mixed with the T1 linecode.

New Member

Re: M2T-T3+ pa line coding

Sundar, was off for a few days...I cannot get that output on my router...perhaps sending you the following info will give you more info >>

Part number 73-3761-03

FRU Part Number PA-2T3+=

Router type: 7206 VXR NPE-G2

running vers: Version 12.4(11)T1

Re: M2T-T3+ pa line coding

The command 'show controller t3 slot/port' should be a valid command on 7200. Does it give you an error when this command is issued. If it does can you do a 'show controller ?' and post the output.

HTH

Sundar

New Member

Re: M2T-T3+ pa line coding

Sundar, can't sesem to get an output with anything tangible...attaching a txt with some output. thx for responding, let me know if you can't view the txt file.

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