Summary of C RP1520
Page 2: Introduction
Introduction thank you for choosing this new lcom product, icom’s advanced new repeater is designed to meet the perfect corporate communica- tions in any enviroment. Explicit definitions the following explicit definitions apply to this instruction manual. If disregarded, inconvenience only. No perso...
Page 3: Of Contents
Of contents - - - introduction explicit definitions unpacking important precautions i table of contents features 1. Control functions l-l front panel l-2 rear panel , : 2. Installation 2-1 rear panel 2-2 location 2 - 3 a n t e n n a 2-4 duplexer . . . . . . . . . . . . 2-5 grounding . . . . . . . . ...
Page 5
Control functions rear panel ante nna outputs the transmitter output power. Connect to a duplexer with a 50 coaxial cable. @control signal input jack [control input] inputs the dtmf remote-control signal. The repeater is designed for remote control of received dtmf signals when this jack is out of u...
Page 6: Installation
Installation 2-1 rear panel connections [control input] jack use a mini-plug to input dtmf signals from an external receiver which receives dtmf signals from a repeater control operator. The input level is 1 .O vrms or less. From af output terminal of the remote control signal receiver [tx ant] term...
Page 7
Installation 2-2 location this repeater should be installed in a cabinet to protect it from dust, moisture, etc. When the supplied mounting handles are attached to each side of the repeater, the repeater may be easily installed to the 1 standard cabinet. Read the following installation instructions ...
Page 9: Basic Operation
Basic operation when applying power for the first time after the purchase of the repeater, be sure to confirm the following points: 3 ) r o t a t e t h e [ s q u e l c h ] c o n t r o l m a x i m u m counterclockwise and confirm that the [busy] in- dicator lights up in green. 1) that the [cor simula...
Page 10: Basic
Basic warning: disconnect the ac power cable from the repeater before performing any work on the repeater. 4-1 a frequency the transmit and receive frequencies can be set by dip switches on the logic-a unit. See p. 18 for the logic-a unit location. See p. 19 for each switch location. 1) remove the b...
Page 11
Basic 4-2 setting atone frequency 2) set the dip switches on as desired according to the following chart. (1) subaudible tone decoder frequency l the tone numbers are used for setting the audible tone decoder frequency with dtmf sig- nals. The subaudible tone decoder frequency for the tone squelch f...
Page 12
Basic (2) subaudible tone encoder frequency the subaudible tone encoder frequency can be set by dip switches on the logic-a unit. Be sure to the ac power cable when setting the frequency. 1) remove the bottom cover. L remove 6 screws on the bottom cover and another 3 screws on each side of the front...
Page 14
Functions and operation 5-4 id timing chart the repeater has three different id transmit patterns. The patterns are type a, type b and type c. The follow- ing charts show id transmit timing and difference of each transmit pattern. Each chart shows a sample of repeater operation. The charts also show...
Page 18: Maintenance
Maintenance 6-1 repeater disassembly warning: disconnect the ac power cable from the repeater may occasionally operate erroneously, the repeater before performing any work e.G., when first applying power. This may be caused on the repeater. Externally by static electricity or other factors. 1) turn ...
Page 19
Maintenance 6-6 troubleshooting the following chart is designed to help you correct problems which are not equipment malfunctions. If you are unable to locate the cause of the problem or solve it through use of this chart, contact your nearest lcom dealer or service center. Problem . Power does not ...
Page 20: Inside Views
Inside views.
Page 21
Inside views 7-2 bottom view.
Page 22
Inside views 7-3 logic-a unit s2 receive frequency switches set the receive frequency. See p. 7. S3 subaudible tone decoder frequency switches set the subaudible tone decoder frequency. See p. A. Pll reference frequency switch selects the pll reference frequency to 5 or 12.5 see p. 7. Id function sw...
Page 23
General l frequency coverage : 144-148 mhz . Mode : l initial tuning step l antenna impedance . Power supply requirement : u.S.A. Version 1 5 % europe version 240 v ac, 13.8 v dc 15% italy version 1 5 % l power consumption : l current drain (at 13.8 v dc) : transmit 8.0 a receive standby receive max...