RAD Data comm operation manual To turn off LRS-24 with CM-2

LRS-24Installation and Operation Manual Chapter 2 Installation and Setup

Normal Indications

•PS Module(s): All the indicators on the panel(s) of the PS module(s) must turn green to indicate proper operation.

•CM-2 Module: The POWER indicator of the module must light up. The TD and RD indicators may flash (or light steadily) when a management session is in progress.

•On start-up, Mask says IGNORE ALARM FROM REMOTE MANAGEMENT. The default is MASK ON. You must change configuration to MASK OFF.

•Normally, the STAT/ADD display shows the two least significant digits of the management number assigned to LRS-24. For normal startup, a rotating red circle is displayed. However, if a problem is detected during the power-up self-test, you will see a flashing error code (E1 through E9), see Chapter 5 Troubleshooting and Diagnostics.

•I/O Module(s): Refer to the Installation and Operation Manual of the corresponding module.

Power Off

➤To turn off LRS-24 with CM-2:

1.If an external phantom feed voltage source is connected to LRS-24, turn off that source (i.e. LRS-PS-FEED).

2.Set the ON/OFF switch(es) of the PS module(s) to OFF.

3.Disconnect the DC power, if applicable.

Troubleshooting

In case a malfunction occurs, perform the following preliminary checks:

•If the problem affects all the links:

−Check that all the indicators on the panels of the PS modules are green.

−If any indicator is red, replace the corresponding PS module.

•Check that all the modules are installed properly.

•Check that all the cable connections are made in accordance with the installation plan.

•Check that all the communication equipment on the link is operating properly.

•If the error code E5 appears on the STAT/ADD display of the CM-2 module, reconfigure the management parameters of the module in accordance with Chapter 4. Any other code indicates a technical problem, and the

CM-2 module must be replaced.

•Check for proper configuration of the local and remote equipment.

•See Mask section (Defining Card Configuration / Defining I/O Module Operational Parameters).

Initial Operation and Basic Checks 2-29

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