Filter
Top Products
IP LDK-20 Installation Manual Board Installation
30
3.3.1.1 Pin Assignment
LCOB
CONNECTOR PIN NUMBER NO SIGNAL NAME
1,2 CO-R, CO-T
3 Reserved
4,5 CO-R, CO-T
RJ45
6,7,8 Reserved
CONNECTOR FUNCTIONS
CONNECTOR FUNCTION REMARK
CN2 and CN3 PRCPTU4 or PRU4 connection
CN1, CN2 and CN3 CPCU4 connection
MJ1 2 ports RJ45 type CO line connection.
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