LRS-24Installation and Operation Manual

Chapter 2 Installation and Setup

 

 

AC Power Connection

To connect LRS-24 to AC power:

1.Check that the switch on the PS is set to OFF.

2.Use the 5-ft. (1.5m) standard power cable terminated by a standard 3-prong plug to connect AC power to the LRS-24.

3.Connect the power cable to the connector on the panel of LRSI-PSP/230/115 interface module.

4.Connect to the mains outlet.

5.Turn the POWER switch to ON to initiate the LRS-24.

DC Power Connection

To connect LRS-24 to DC power:

Note

Note

1.Connect the power cable between the DC distribution panel and the DC power connector of the LRSI-PSP/48 interface module.

2.Check that you have correct polarity.

DC power supply interface modules do not have power switches. Therefore, the DC power supply will start operating when DC power is applied.

To avoid turning on LRS-24 when connecting the power cables, use an external circuit breaker located near LRS-24 to control the supply of DC power, and protect the DC input line. Set the circuit breaker to OFF before connecting the DC power cable to LRS-24.

When redundant power supplies are used, it is recommended to connect the power cables to outlets powered by different circuits.

Connection of External Phantom Feed Voltage

An external power supply unit is necessary to supply external feed voltages. HTU-E1C/P, etc. require phantom feed voltage.

The recommended source for external voltages is LRS-PS-FEED, offered by RAD. LRS-PS-FEED is a standalone unit, intended for rack mounting (refer to Appendix B). To minimize cable runs, install LRS-PS-FEED directly above LRS-24 (leave 1U free space between LRS-24 and the LRS-PS-FEED). In this situation, connect the output cable of the LRS-PS-FEED (supplied with the LRS-PS-FEED unit) to the PHANTOM connector of the LRSI-PSP/48 or LRSI-PSP/230/115 interface module.

Interfaces and Connections

2-25

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RAD Data comm LRS-24 operation manual AC Power Connection, DC Power Connection, Connection of External Phantom Feed Voltage