RAD Data comm LRS-24 - Manual (Page 55)

LRS-24 Installation and Operation Manual Chapter 2 Installation and Setup
Initial Operation and Basic Checks 2-27
Table 2-11 lists the supervisory cable pin arrangement.
Table 2-11. CM-1 Module Management RS-232 Pin Allocation
Pin Function/Connection
2 Transmit data
3 Receive data
7 Signal ground
2 and 3 Crossed
4 and 6 Crossed
2, 3 Transmit or receive data
1, 6 Receive or transmit data
Connection to I/O (User) Modules
Refer to the Installation and Operation Manual of the corresponding module.
2.6 Initial Operation and Basic Checks
This section describes the operation instructions and basic checks for the following
configurations:
• LRS-24 with CM-1 Module
• LRS-24 with CM-2 Module.
LRS-24 with CM-1 Module
Power On
➤ To turn on LRS-24 (CM-1):
1. Set the ON/OFF switches on the panels of the LRSI-PSP** modules to ON.
2. Supply the DC power, if applicable.
➤ To supply external phantom feed voltages:
1. Turn on LRS-24.
2. Turn on the source, i.e. LRS-PS-FEED.
Normal Indications
• PS Module(s): All the indicators on the panel(s) of the PS module(s) turn green
to indicate proper operation.
• CM-1 Module: The POWER indicator of the module lights up. The TD and
RD indicators flash (or light steadily) when a management session is in
progress.
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