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3810-rwt.ib.rev1.doc 

Page 9 of 11

 17/10/2007

 

RF Mon.

DC

RWT-3810

N140

RF GAIN

PILOT

LASER

CAUTION

Direct

connections

to module

RF GAIN

PILOT

OPTICAL

DC

RWR-3810

N140

RF Mon.

CAUTION

Direct

connections

to module

Front & rear panel connector diagrams

 

 
The following front panel and rear assembly drawings are not to scale and are intended to show connection order 
and approximate layout only. 
 
 

L BAND F.O. TX 

SK4

OPTICAL 

OUT 

RF 

IN 

J3

SK3

Alarm

Alarm

LNB

DC 

IN 

L BAND F.O. RX 

SK4

OPTICAL

IN 

RF 

OUT

J3

Alarm 

Alarm 

IRT 

Communications 

www.irtcommunications.com

Summary of Contents for RWR-3810

Page 1: ...ct Designed and manufactured in Australia IRT can be found on the Internet at http www irtelectronics com I R T Electronics Pty Ltd A B N 35 000 832 575 26 Hotham Parade ARTARMON N S W 2064 AUSTRALIA...

Page 2: ...Section Page General description 3 Technical specifications 5 Pre installation 6 Operational safety 6 Installation 7 Installation in frame 7 Front and rear layouts 9 Maintenance storage 10 Warranty s...

Page 3: ...nel for laser power ON and FAIL indication green for normal and red for failure and after passing through a relay circuit a LASER POWER ALARM is available as an external connection The adjustment and...

Page 4: ...ilure and with LK1 closed will operate a relay circuit an ALARM contact set is available as an external connection The adjustment and connection data for this circuit is given in the installation sect...

Page 5: ...de 9 125 m fibre cable LNB Power 13V or 18V input to RWT 3810 rear panel SK3 Power requirement 14V 0 14V AC 3 5 VA Temperature range 0 45 C ambient Mechanical 6 HP x 3 U x 220 mm IRT Eurocard Suitable...

Page 6: ...ar care should be taken to ensure that the frame is connected to earth for safety reasons See frame manual for details Signal earth For safety reasons a connection is made between signal earth and cha...

Page 7: ...connector will need to be terminated with the 75 ohms termination provided when not in use Optical signal connection is made to the SC APC optical connector on the rear of the RWT 3810 Extreme care mu...

Page 8: ...circuit is wired to give a relay contact closure when a fault condition such as power failure or low optical input occurs A second alarm contact closure is available at J3 RWT 3810 adjustments RV1 set...

Page 9: ...to module Front rear panel connector diagrams The following front panel and rear assembly drawings are not to scale and are intended to show connection order and approximate layout only L BAND F O TX...

Page 10: ...inable from the component supplier Equipment return Before arranging service ensure that the fault is in the unit to be serviced and not in associated equipment If possible confirm this by substitutio...

Page 11: ...ge 11 of 11 17 10 2007 Drawing index Drawing Sheet Description 804586 RWT 3810 schematic block diagram 804421 RWR 3810 schematic block diagram I R T C o m m u n i c a t i o n s w w w i r t c o m m u n...

Page 12: ...Present Pilot Generator Pilot SK2 RF IN RF MON L Band Fibre Optic Tx 1 2 J3 LASER PILOT GAIN MON DC 2 1 LK2 1A 1B 2A 2B 3A 3B 4A 4B 5A 6A 6B 7A 7B 8A 8B 10A 10B 5B 11A 11B 12A 12B 13A 13B 14A 15A 15B...

Page 13: ...RF OUT RF MON L Band Fibre Optic Rx 1 2 J3 OPTICAL PILOT GAIN MON DC 1A 1B 2A 2B 3A 3B 4A 4B 5A 6A 6B 7A 7B 8A 8B 10A 10B 5B 11A 11B 12A 12B 13A 13B 14A 15A 15B 17A 17B 18A 18B 9A 9B 20A 20B 14B 21A...

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