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Knowledge Base / Hardware / How do I set the Dual/Quad span card in T1/E1 mode?

How do I set the Dual/Quad span card in T1/E1 mode?
Views: 3068, Votes: 1

Posted:
27 Apr, 2006 - Support D.

Updated:
14 Mar, 2008 - Support D.
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T1/E1 Select Dual Span

T1 or E1 mode can be set via a row of two jumpers towards the right end of the board or via a module parameter as described below.

Open = T1 ; Close = E1

| 2 | 4 |
| 1 | 3 |


Example:

Span 1 in E1 mode: Jump 1-2
Span 2 in E1 mode: Jump 3-4


------------------------------------------------------


T1/E1 Select Quad Span

T1 or E1 mode can be set via a row of four jumpers towards the center of the board or via a module parameter as described below.

Open = T1 ; Close = E1


| 2 | 4 | 6 | 8 |
| 1 | 3 | 5 | 7 |


Example:

Span 1 in E1 mode: Jump 1-2
Span 2 in E1 mode: Jump 3-4
Span 3 in E1 mode: Jump 5-6
Span 4 in E1 mode: Jump 7-8
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