User Guide

Switch Settings
Switch Type Usage and Status Definition
Termination Slide
Select 120 W (default) or 75 W to match the connector type to be
used.
A/B Slide When using an RJ45 connector, select A (default) for trunk or B for
extension use.
When using BNC connectors, make sure that A is selected.
Pin Assignments
RJ45 Connector for Trunk Use
No. Signal Name Level [V] Function
8
1
1 RX+ (+) Receive data (+)
2 RX- (-) Receive data (-)
3 Reserved – –
4 TX- (-) Transmit data (-)
5 TX+ (+) Transmit data (+)
6-8 Reserved – –
RJ45 Connector for Extension Use
No. Signal Name Level [V] Function
8
1
1 TX- (-) Transmit data (-)
2 TX+ (+) Transmit data (+)
3 Reserved – –
4 RX+ (+) Receive data (+)
5 RX- (-) Receive data (-)
6-8 Reserved – –
BNC (coaxial) Connector (TX)
No. Signal Name Level [V] Function
1
2
1 TX+ (+) Transmit data (+)
2 TX- (-) Transmit data (-)
BNC (coaxial) Connector (RX)
No. Signal Name Level [V] Function
1
2
1 RX- (-) Receive data (-)
2 RX+ (+) Receive data (+)
Installation Manual 97
2.4.9 PRI30 Card (KX-TDA0290CE/KX-TDA0290CJ)