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a TRAC company 

a TRAC company 

RD0300-01 

 

Power Distribution Unit 
 
 

 
 

Radio Design Ltd is a Company Registered In Scotland – No. 328828 

Shipley Wharf, Wharf Street, Shipley, West Yorkshire, UK Tel: +44 (0) 8452 770125 Fax: +44 (0) 8452 770126 

 

Email

[email protected]

 Web

www.radiodesign.eu

 

Company Proprietary and Confidential 

99-438 Issue 05       

Page 1

 

of 16 

RD300 PDU 

 

Installation 

And 

Operational manual 

 

 

Summary of Contents for radio design RD300 PDU

Page 1: ...tered In Scotland No 328828 Shipley Wharf Wharf Street Shipley West Yorkshire UK Tel 44 0 8452 770125 Fax 44 0 8452 770126 Email mail radiodesign eu Web www radiodesign eu Company Proprietary and Conf...

Page 2: ...echanical Installation 19 Rack Mounting The unit is primarily designed for 19 rack fitment using the included mounting screw set Un Mounted If no suitable mounting is available it is permissible to mo...

Page 3: ...de to the PDU in the following order 1 Earth connection 2 Connect Bias T 1 to 6 3 Connect alarm interface 4 Connect power Earth connection The front panel of the PDU has a 6mm Earth stud provided to e...

Page 4: ...2 of the interface cable PDU connector is not removed as this will result in the channel not being enabled Check The Connections to the BIAS T are not reversed Ensure that unused channel connections...

Page 5: ...PDU OFF Open circuit Short Circuit PDU ON Alarm Open circuit Short Circuit PDU ON No Alarms Short Circuit Open circuit N O normally open contact N C normally closed contact N O N C COM RAI 3 2 1 RD30...

Page 6: ...respect to PIN 2 Table 2 Power Connections shows the required connections for a positive or negative supply option The PDU is protected against reverse polarity connections but if the polarity is not...

Page 7: ...a TRAC company 99 438 Issue 05 Page 7 of 16 Connection Detail...

Page 8: ...be in a fault condition if the current drawn from the channel is outside the normal operational current i e the current draw is too high or too low When a channel first enters a fault state the contro...

Page 9: ...power cycle RED BLINK GREEN Output channel in alarm or NO channels enabled and unit has been through power cycle YELLOW This mode can only be reached by user intervention and indicates that the RESET...

Page 10: ...RED Channel is in fault condition Check each channel for fault indication Channel Indicator OFF but Bias T connected Link on connector between PINS 1 and 2 missing Fit link between pins 1 and 2 Chann...

Page 11: ...ut Isolation 1000v note 1 Outputs 6 Output Voltage 12v 1v Output Current per channel max normal operation 130ma Output protection Fully short circuit protected with auto re start Current window Alarm...

Page 12: ...a TRAC company 99 438 Issue 05 Page 12 of 16 Interface Drawings...

Page 13: ...a TRAC company 99 438 Issue 05 Page 13 of 16 Front Panel View...

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