Alcatel-Lucent 1645 AMC, Installation Manual

Page: 80 / 220

Connector data
The MDI/MDO connector is a 25-pin SUB-D male connector (hotshrinked tailed).
Table 4-4 Pin assignment (MDI/MDO cable)
Point on connector Signal name Description
1 MDO 4 return Miscellaneous Discrete Output 4 return,
contact normally open
2 MDO 4 return Miscellaneous Discrete Output 4 return,
contact normally closed
3 MDO 3 return Miscellaneous Discrete Output 3 return,
contact normally open
4 MDO 3 return Miscellaneous Discrete Output 3 return,
contact normally closed
5 MDO 2 return Miscellaneous Discrete Output 2 return,
contact normally open
6 MDO 2 return Miscellaneous Discrete Output 2 return,
contact normally closed
7 MDO 1 return Miscellaneous Discrete Output 1 return,
contact normally closed
Figure 4-10 MDO circuit
7 5
3 1
20
8
18
6
16
14
2
4
Figure 4-11 MDI/MDO connector
14
1 13
25
System cabling External cable installation
MDI/MDO interface
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4-12 Alcatel-Lucent – Internal
Proprietary – Use pursuant to Company instruction
365-313-103R8.0
Issue 2 July 2009