Nortel Networks Nortel option 21 to MCR via fiber

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Subject Author Date
Nortel option 21 to MCR via fiber Harkin 10-20-05
Posted by Harkin on October 20, 2005, 7:59 am
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We currently have an Meridan Option 21 switch that is connected to a mini
carrier remote via T1. We are going to be bringing a GB fiber connection
online fairly soon and will be removing the T1 connection. My question is
what type of converters/adapters/etc would I need to keep this connection
alive? According to the manual the supported framing modes are ESF and D4.
It also states that B8ZS encoding must be used.

If there is a better group to post this in, please let me know.




Posted by Harkin on October 20, 2005, 9:29 am
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> We currently have an Meridan Option 21 switch that is connected to a mini
> carrier remote via T1. We are going to be bringing a GB fiber connection
> online fairly soon and will be removing the T1 connection. My question is
> what type of converters/adapters/etc would I need to keep this connection
> alive? According to the manual the supported framing modes are ESF and D4.
> It also states that B8ZS encoding must be used.
>
> If there is a better group to post this in, please let me know.

I did find a note in the manual about using a NT7R93AA adapter if a CSU/DSU
and T1 is not used. I just need to find out what to do with it and where to
get it I think.




Posted by Harkin on October 20, 2005, 3:29 pm
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I just found out that it is a 51C, not a 21.




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