RAD Data comm LRS-24 LRSI-F-2-CM2 Interface Module with 10Base2, LRSI-F-1-CM2 Installation

LRS-24Installation and Operation ManualChapter 2 Installation and Setup

Table 2-8. LRSI-F-1-CM2 Module Jumper Settings

Jumpers	Controls	Settings/Options
JP6, JP7, JP8	Major alarm relay connection	To use the major alarm relay, install jumpers as shown in
		Figure 2-11.
		To disconnect the relay, remove the jumpers (for storage, you
		may leave the jumpers inserted over one pin).
JP9, JP10, JP11	Minor alarm relay connection	To use the minor alarm relay, install jumpers as shown in
		Figure 2-11.To disconnect the relay, remove the jumpers.

JP1 through JP5	Connect internal transmit and receive pairs to the external UTP pairs (10BaseT connector) to allow
	direct connection (without cross cables) as below:
	Jumper Settings	Receive Pair	Transmit Pair
	Over pins 1-2	Pins 1,2	Pins 3,6
	Over pins 2-3	Pins 3,6	Pins 1,2

The correct selection depends on the wiring conventions used in your particular network, however.

Normal jumper setting:

•CM-2 module connects directly to the LAN (this interchanges the connections of the receive and transmit pairs): set the jumpers to position 2-3

•CM-2 module connects to an Ethernet hub: set the jumpers to position 1-2.

LRSI-F-1-CM2 Installation

➤To install LRSI-F-1-CM2:

1.Check that the POWER switch of the interface module is set to OFF.

2.Insert the LRSI-F-1-CM2 module in the CL interface slot.

3.Fasten it with the two screws.

LRSI-F-2-CM2 Interface Module with 10Base2

This section explains the installation of the 10Base2 Interface module for the CM-2 module, LRSI-F-2-CM2.

LRSI-F-2-CM2 10B2 Front Panel

A typical LRSI-F-2-CM2 module front panel is shown in Figure 2-12.

Interfaces and Connections 2-21

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