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3.3.1.1 Pin Assignment |
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LCOB |
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CONNECTOR |
| PIN NUMBER |
| NO | SIGNAL NAME |
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RJ45 |
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| 1,2 |
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| 3 | Reserved |
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| 4,5 |
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| 6,7,8 | Reserved |
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CONNECTOR FUNCTIONS |
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CONNECTOR |
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| FUNCTION |
| REMARK |
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CN2 and CN3 |
| PRCPTU4 or PRU4 connection |
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CN1, CN2 and CN3 |
| CPCU4 connection |
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MJ1 |
| 2 ports RJ45 type CO line connection. |
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3.3.1.2 Add-On Boards
PRU4 (Polarity Reversal detection Unit)
Description
The PRU4 can be optionally mounted on LCOB, and provides Polarity Reversal detection for call metering.
Figure 3.3.1.2a PRU4
30
