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TRR 101

VIDEO TWISTED-PAIR RECEIVER

OPERATING INSTRUCTIONS

v2.0

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Summary of Contents for TRR 101

Page 1: ...TRR 101 VIDEO TWISTED PAIR RECEIVER OPERATING INSTRUCTIONS v2 0 ...

Page 2: ...NTS Preface 3 Features 3 Block diagram 3 Principle of operation 3 Controls and connectors 4 Connections 5 Installation 6 Appearance 8 Specifications 8 This unit is produced to comply with Directive 89 336 EEC ...

Page 3: ...LOCK DIAGRAM PRINCIPLE OF OPERATION The input stage enables the setting of the input impedance and symmetry The minimal high frequency gain is 6 dB and the high frequency attenuation should be switched on at short distances The next two stages enable the linear gain adjustment and the square wave response adjustment There follow the filter stages with sixteen switches and their adequate elements f...

Page 4: ... AC DC POWER SUPPLY Power supply terminal block connector 7 TWISTED PAIR INPUT Twisted pair terminal block connector 8 VIDEO OUTPUT Video output terminal block connector 9 TP 2 Symmetry adjustment trimmer 10 J 1 HF attenuation short distance jumper 11 TC 1 HF gain adjustment trimmer 12 TP 4 LF gain adjustment trimmer 13 SW1 SW16 LF MF HF gain switches 14 TC 2 HF III fine adjustment trimmer 15 LED ...

Page 5: ...5 CONNECTIONS Be sure to switch off the power supply unit before connecting to other equipment Also refer to the instruction manual of the equipment to be connected ...

Page 6: ...Connect the video monitor to the video output K2 11 Connect the twisted pair cable to the K3 12 Switch on the power supply units LED2 green lights power supply is switched on If there is a video signal at the input LED1 red doesn t light 13 Switch on the video monitor 14 Check the positive video input signal between A and 15 Check the negative video input signal between B and 16 Set the output vid...

Page 7: ...E 135 24 dB 2 4 5 1 2 3 4 5 6 8 10 11 7 8 9 10 11 12 02Y PE 140 21 dB 2 4 5 1 2 3 4 5 6 8 10 11 7 8 9 10 11 12 Example 1 Cable specifications ZL 125 Ω a5MHz km 30 dB paper insulation cable length L 500 m 1 a5MHz a5MHz km x L 15 dB 2 In Table 1 find column 10 dB in SECTION I or in SECTION II Switch on the switches 2 4 and 6 or 8 10 and 12 page 5 3 Do the fine adjustment 5 dB with TC1 TC2 TC3 TC4 an...

Page 8: ...ain adjustment 6 dB 60 dB at 5 MHz SW1 SW16 TC TP Noise 50 dB at 40 dB gain adj 47 dB at 60 dB gain adj Power supply 24 V AC DC 100 mA max Input protection noble gas filled surge arrester zener diodes Power supply protection varistor Indicators LED2 green power on LED1 red video signal error Casing 3U 6TE card panel Dimensions 30 2 W x 128 4 H x 207 D mm incl partial mother board ...

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Page 12: ...12 ASTEL d o o Dutovlje 138 6221 Dutovlje Slovenia Tel 386 5 7310771 386 5 7310772 Fax 386 5 7310789 E mail sales astel cctv com Web www astel cctv com ...

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