RAD Data comm LRS-24 - Manual (Page 57)

LRS-24 Installation and Operation Manual Chapter 2 Installation and Setup
Initial Operation and Basic Checks 2-29
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).
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