IRT Communications RWR-3085 Instruction Manual Download Page 10

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3085-rwt & 3085-rwr.ib.doc

Page 10 of 10

18-07-02

Drawing Index

Drawing #

Sheet #

Description

803950

RWT-3085 / RWR-3085 optical link block diagram

803950

RWT-3085 optical transmitter schematic diagram

803955

RWR-3085 optical receiver schematic diagram

803955

RWR-3085 optical receiver schematic diagram

804298

ZWR-3085/6RH C/O Rear Panel for RWR3085/6

IRT

Communications

www.irtcommunications.com

Summary of Contents for RWR-3085

Page 1: ...anufactured 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 National Phone 02...

Page 2: ...y WARNING Operation of electronic equipment involves the use of voltages and currents that may be dangerous to human life Note that under certain conditions dangerous potentials may exist in some circ...

Page 3: ...ls RWR 3085 Photo diode receiver As shown on diagram 803955 the RWR 3085 Photo diode Receiver module consists of a 1300 nm optical detector diode circuit with integral pre amplifier followed by an att...

Page 4: ...temperature range 0 50 C ambient Mechanical 6 HP x 3 U x 220 mm IRT Eurocard Suitable for mounting in IRT 19 rack chassis types FR 700 FR 722 with fibre RF connections on the front panel and alarms on...

Page 5: ...r chassis See details in separate manual for selected frame type RWT 3085 LASER transmitter module The RWT 3085 is factory aligned for an optical output level of 9 dBm to 7 dBm and an optimum RF input...

Page 6: ...set which is linked to provide a contact closure or a contact open when a fault occurs To select the contact closure on fault set LK 8 near RL 1 in the NC position i e 1 2 To compensate for the optic...

Page 7: ...are intended to show connection order and approximate layout only LASER ON LOW DC RWT 3085 N140 CAUTION Direct connections to module INPUT LOW GAIN DC RWR 3085 N140 CAUTION Direct connections to modu...

Page 8: ...t be closed This will provide the ve voltage for the relay on the rear assembly 3 The relay on the rear assembly connects the output of the Main module to the O P 1 connector SK1 in the energised cond...

Page 9: ...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 10: ...tical link block diagram 803950 2 RWT 3085 optical transmitter schematic diagram 803955 1 RWR 3085 optical receiver schematic diagram 803955 2 RWR 3085 optical receiver schematic diagram 804298 1 ZWR...

Page 11: ...T ARTARMON NSW AUSTRALIA 2064 A3 OPTICAL LINK PSU LASER CURRENT AMP LASER POWER ALARM K N 803950 RF IN ATTEN AMP DETECTOR GAIN SET RF OUT LEVEL ALARM OPTICAL PSU AC 14V AC CT AC 14V ALARM ALARM AC 14V...

Page 12: ...5 LM311M 2 3 7 8 4 1 6 U6 LM311M C47 10nF D1 4 1N4004 D5 8 1N4004 C39 1uF R38 240 R37 2K05 R40 240 R39 2K05 1 3 D11 BZX84 C8V2 C14 10uF R15 1K8 R14 330 5 6 7 U3B LM358M 3 2 1 8 4 U3A LM358M 1 3 2 Q4 B...

Page 13: ...5 2V GND ALARM RELAY RF OUT V V DETECTOR CONTROL CCT 803955 PA2 REAR ASSY RF OUT THRO 2 4 01 99 PCB 803555R X D1 4 1N4004 D5 8 1N4004 1 3 2 FL1 1 3 2 FL2 1 3 2 FL5 1 3 2 FL3 1 3 2 FL4 JP1 0R0 L10 4u7...

Page 14: ...33 10n C32 10n R14 680 R13 100 C28 10n R4 100K C10 10nF C18 10n C22 10n C14 10n C16 1uF L4 470nH L6 470nH C26 10n C23 10n C24 1uF R12 33R C25 1nF L8 4u7 R10 56R R11 56R C21 1nF C15 10n 5 6 7 U5B TL072...

Page 15: ...rear assembly connects the output of the Main module to O P1 connector SK1 in the energised condition At the same time the output of the Standby reciever will be connected to O P2 connector SK2 On cha...