RAD Data comm RSD-20 Operating Procedure, Power Turn On, Operation, Power Turn Off

RSD-20 OPERATOR'S MANUALOPERATION

Table 3.1

Control Functions

Control	Location	Function
Power switch (with lamp) ON/OFF	Rear Panel	Turns AC power ON or OFF
110/220 VAC Selector	Rear Panel	Selects main power source: 115 or 230 VAC
Four manual DISABLE push-button switches	Front Panel	Manually deactivates sub-channels
		connected to defective terminals or modems.
		A depressed push button disables the
		sub-channel

		Table 3.2
	Indicator Functions
Indicator		Functions
Power		Green LED is ON when power is present and the DC power
		supply is O.K.
Main		Yellow LED flickers according to main channel XMT data
Sub-channels Activity 1-4		Four yellow LEDs flicker according to sub-channels XMT data
Automatic Disable 1-4		Four red LEDs light when the corresponding sub-channel has
		been automatically disabled (due to time-out)

3.3OPERATING PROCEDURE

3.3.1 Power Turn On

1)Make sure the power switch is turned to OFF.Set the 110/220 selector located on the rear panel to the main voltage used in your country. The white arrow should point to the correct main voltage.

2)Apply AC power by connecting the AC cord to the AC connector on the rear panel of the RSD-20 and then plug it into the AC source.

3)Turn the power switch located on the rear panel to ON. The power switch should light up, indicating that the main power is fed to the RSD-20 while the power LED (on the front panel) should light indicating that the internal power supply is O.K.

3.3.2 Operation

The RSD-20 operates unattended, unless it is required to manually disable one or more sub-channels.

3.3.3 Power Turn Off

To turn off the AC power to the RSD-20, simply switch off the power switch.

3.2